- 產品與解決方案
- 行業解決方案
- 服務
- 支持
- 合作夥伴
- 關於我們
55-Smart Link典型配置舉例
本章節下載： 55-Smart Link典型配置舉例 (312.80 KB)
資料版本：6W100-20190628
Copyright © 2019 bobty下载软件 版權所有，保留一切權利。
非經本公司書麵許可，任何單位和個人不得擅自摘抄、複製本文檔內容的部分或全部，並不得以任何形式傳播。
除bobty下载软件 的商標外，本手冊中出現的其它公司的商標、產品標識及商品名稱，由各自權利人擁有。
本文檔中的信息可能變動，恕不另行通知。
本文檔介紹了Smart Link配置舉例。
本文檔不嚴格與具體軟、硬件版本對應，如果使用過程中與產品實際情況有差異，請參考相關產品手冊，或以設備實際情況為準。
本文檔中的配置均是在實驗室環境下進行的配置和驗證，配置前設備的所有參數均采用出廠時的缺省配置。如果您已經對設備進行了配置，為了保證配置效果，請確認現有配置和以下舉例中的配置不衝突。
本文檔假設您已了解Smart Link、Monitor Link和IRF特性。
請勿將一個端口同時加入聚合組和Smart Link組，否則該端口在Smart Link組中將不會生效，也無法使用display smart-link group命令查看到。
如圖1所示，某企業財務部和市場部分別使用VLAN 10和VLAN 11，出於可靠性考慮，接入設備Device A提供兩條鏈路雙上行到彙聚設備Device D。現要求如下：
· 通過配置Smart Link來實現鏈路備份和負載分擔。財務部優先使用Device A—>Device B路徑轉發數據流量，市場部優先使用Device A—>Device C路徑轉發數據流量。
· 當Device A到Device B、Device C的兩條上行鏈路都正常時，財務部和市場部的數據流量分別通過不同路徑轉發；當其中一條鏈路出現故障時，Smart Link功能會將故障鏈路上的流量快速切換到另一條鏈路上；當鏈路故障恢複時，Smart Link功能又會將數據流量及時切換回原來的轉發路徑。
圖1 Smart Link組配置組網圖
|
設備 |
接口 |
VLAN |
設備 |
接口 |
VLAN |
|
Device A |
XGE1/0/1 |
10、11 |
Device C |
XGE1/0/1 |
10、11 |
|
|
XGE1/0/2 |
10、11 |
|
XGE1/0/2 |
10、11 |
|
|
XGE1/0/3 |
10 |
Device D |
XGE1/0/1 |
10、11 |
|
|
XGE1/0/4 |
11 |
|
XGE1/0/2 |
10、11 |
|
Device B |
XGE1/0/1 |
10、11 |
|
XGE1/0/3 |
10、11 |
|
|
XGE1/0/2 |
10、11 |
|
|
|
為了實現流量在兩條上行鏈路上的負載分擔，需在Device A創建兩個Smart Link組，不同Smart Link組包含相同的成員端口，但同一端口在不同Smart Link組內角色不同，且財務部和市場部使用的VLAN分別為這兩個Smart Link組的保護VLAN。
為了實現鏈路故障恢複時，財務部和市場部的數據流量仍能切換回各自原來的路徑轉發，需要為兩個Smart Link組都配置角色搶占模式。
為了避免當Smart Link組中的主從鏈路切換時，由於上遊設備上的MAC地址轉發表項和ARP/ND表項沒有及時更新，而導致下行數據流量發生中斷，需要在Device A上配置發送Flush報文功能，處於從Device A到Device D主、從鏈路上的端口都需要使能接收Flush報文功能。
本舉例是在S6890-CMW710-R2712版本上進行配置和驗證的。
· 如果欲配置某端口為Smart Link組的成員端口（主端口或從端口），請先手工關閉該端口，並待Smart Link組配置完成後再開啟該端口，以避免形成環路，導致廣播風暴。
· 在配置Smart Link組的成員端口及其直連端口之前，請確認端口未啟用STP或者RRPP功能。
· 上遊設備上配置的接收處理Flush報文的控製VLAN和在Smart Link設備上配置的發送控製VLAN需要相同。
· 不同的Smart Link組需要配置不同的控製VLAN。Smart Link組的控製VLAN應同時為該Smart Link組的保護VLAN，且不要將已配置為控製VLAN的VLAN刪除，否則會影響Flush報文的發送。
· 缺省情況下，S6890係列交換機的接口處於ADM（Administratively Down）狀態，請根據實際需要在對應接口視圖下使用undo shutdown命令開啟接口。
# 關閉端口Ten-GigabitEthernet1/0/1和Ten-GigabitEthernet1/0/2，並配置端口為Trunk端口，允許VLAN 10、VLAN 11流量通過，並關閉STP。
<DeviceA> system-view
[DeviceA] vlan 10 to 11
[DeviceA] interface ten-gigabitethernet 1/0/1
[DeviceA-Ten-GigabitEthernet1/0/1] shutdown
[DeviceA-Ten-GigabitEthernet1/0/1] port link-type trunk
[DeviceA-Ten-GigabitEthernet1/0/1] port trunk permit vlan 10 11
[DeviceA-Ten-GigabitEthernet1/0/1] undo port trunk permit vlan 1
[DeviceA-Ten-GigabitEthernet1/0/1] undo stp enable
[DeviceA-Ten-GigabitEthernet1/0/1] quit
[DeviceA] interface ten-gigabitethernet 1/0/2
[DeviceA-Ten-GigabitEthernet1/0/2] shutdown
[DeviceA-Ten-GigabitEthernet1/0/2] port link-type trunk
[DeviceA-Ten-GigabitEthernet1/0/2] port trunk permit vlan 10 11
[DeviceA-Ten-GigabitEthernet1/0/2] undo port trunk permit vlan 1
[DeviceA-Ten-GigabitEthernet1/0/2] undo stp enable
[DeviceA-Ten-GigabitEthernet1/0/2] quit
# 配置端口Ten-GigabitEthernet1/0/3、Ten-GigabitEthernet1/0/4為Access端口，分別允許VLAN 10和VLAN 11流量通過。
[DeviceA] interface ten-gigabitethernet 1/0/3
[DeviceA-Ten-GigabitEthernet1/0/3] port access vlan 10
[DeviceA-Ten-GigabitEthernet1/0/3] quit
[DeviceA] interface ten-gigabitethernet 1/0/4
[DeviceA-Ten-GigabitEthernet1/0/4] port access vlan 11
[DeviceA-Ten-GigabitEthernet1/0/4] quit
# 將VLAN 10映射到MSTI 1、VLAN 11映射到MSTI 2上，並激活MST域的配置。
[DeviceA] stp region-configuration
[DeviceA-mst-region] instance 1 vlan 10
[DeviceA-mst-region] instance 2 vlan 11
[DeviceA-mst-region] active region-configuration
[DeviceA-mst-region] quit
# 創建Smart Link組1，並配置其保護VLAN為MSTI 1所映射的VLAN。
[DeviceA] smart-link group 1
[DeviceA-smlk-group1] protected-vlan reference-instance 1
# 配置端口Ten-GigabitEthernet1/0/1為主端口，Ten-GigabitEthernet1/0/2為從端口。
[DeviceA-smlk-group1] port ten-gigabitethernet 1/0/1 primary
[DeviceA-smlk-group1] port ten-gigabitethernet 1/0/2 secondary
# 使能發送Flush報文。
[DeviceA-smlk-group1] flush enable control-vlan 10
# 配置搶占模式，配置延時搶占時間為10秒。
[DeviceA-smlk-group1] preemption mode role
[DeviceA-smlk-group1] preemption delay 10
[DeviceA-smlk-group1] quit
# 創建Smart Link組2，並配置其保護VLAN為MSTI 2所映射的VLAN。
[DeviceA] smart-link group 2
[DeviceA-smlk-group2] protected-vlan reference-instance 2
# 配置端口Ten-GigabitEthernet1/0/2為主端口，Ten-GigabitEthernet1/0/1為從端口。
[DeviceA-smlk-group2] port ten-gigabitethernet 1/0/2 primary
[DeviceA-smlk-group2] port ten-gigabitethernet 1/0/1 secondary
# 使能發送Flush報文。
[DeviceA-smlk-group2] flush enable control-vlan 11
# 配置搶占模式，配置默認的延時搶占時間為10秒。
[DeviceA-smlk-group2] preemption mode role
[DeviceA-smlk-group2] preemption delay 10
[DeviceA-smlk-group2] quit
# 開啟端口Ten-GigabitEthernet1/0/1和Ten-GigabitEthernet1/0/2。
[DeviceA] interface ten-gigabitethernet 1/0/1
[DeviceA-Ten-GigabitEthernet1/0/1] undo shutdown
[DeviceA-Ten-GigabitEthernet1/0/1] quit
[DeviceA] interface ten-gigabitethernet 1/0/2
[DeviceA-Ten-GigabitEthernet1/0/2] undo shutdown
[DeviceA-Ten-GigabitEthernet1/0/2] quit
# 配置端口Ten-GigabitEthernet1/0/1為Trunk端口，允許VLAN 10、VLAN 11流量通過，在該端口上關閉STP並使能Flush報文接收，並指定接收Flush報文的控製VLAN為VLAN 10和11。
<DeviceB> system-view
[DeviceB] vlan 10 to 11
[DeviceB] interface ten-gigabitethernet 1/0/1
[DeviceB-Ten-GigabitEthernet1/0/1] port link-type trunk
[DeviceB-Ten-GigabitEthernet1/0/1] port trunk permit vlan 10 11
[DeviceB-Ten-GigabitEthernet1/0/1] undo port trunk permit vlan 1
[DeviceB-Ten-GigabitEthernet1/0/1] undo stp enable
[DeviceB-Ten-GigabitEthernet1/0/1] smart-link flush enable control-vlan 10 11
[DeviceB-Ten-GigabitEthernet1/0/1] quit
# 配置端口Ten-GigabitEthernet1/0/2為Trunk端口，允許VLAN 10、VLAN 11流量通過，使能Flush報文接收，並指定接收Flush報文的控製VLAN為VLAN 10和11。
[DeviceB] interface ten-gigabitethernet 1/0/2
[DeviceB-Ten-GigabitEthernet1/0/2] port link-type trunk
[DeviceB-Ten-GigabitEthernet1/0/2] port trunk permit vlan 10 11
[DeviceB-Ten-GigabitEthernet1/0/2] undo port trunk permit vlan 1
[DeviceB-Ten-GigabitEthernet1/0/2] smart-link flush enable control-vlan 10 11
[DeviceB-Ten-GigabitEthernet1/0/2] quit
# 配置端口Ten-GigabitEthernet1/0/1為Trunk端口，允許VLAN 10、VLAN 11流量通過，在該端口上關閉STP並使能Flush報文接收，並指定接收Flush報文的控製VLAN為VLAN 10和11。
<DeviceC> system-view
[DeviceC] vlan 10 to 11
[DeviceC] interface ten-gigabitethernet 1/0/1
[DeviceC-Ten-GigabitEthernet1/0/1] port link-type trunk
[DeviceC-Ten-GigabitEthernet1/0/1] port trunk permit vlan 10 11
[DeviceC-Ten-GigabitEthernet1/0/1] undo port trunk permit vlan 1
[DeviceC-Ten-GigabitEthernet1/0/1] undo stp enable
[DeviceC-Ten-GigabitEthernet1/0/1] smart-link flush enable control-vlan 10 11
[DeviceC-Ten-GigabitEthernet1/0/1] quit
# 配置端口Ten-GigabitEthernet1/0/2為Trunk端口，允許VLAN 10、VLAN 11流量通過，使能Flush報文接收，並指定接收Flush報文的控製VLAN為VLAN 10和11。
[DeviceC] interface ten-gigabitethernet 1/0/2
[DeviceC-Ten-GigabitEthernet1/0/2] port link-type trunk
[DeviceC-Ten-GigabitEthernet1/0/2] port trunk permit vlan 10 11
[DeviceC-Ten-GigabitEthernet1/0/2] undo port trunk permit vlan 1
[DeviceC-Ten-GigabitEthernet1/0/2] smart-link flush enable control-vlan 10 11
[DeviceC-Ten-GigabitEthernet1/0/2] quit
# 配置端口Ten-GigabitEthernet1/0/1、Ten-GigabitEthernet1/0/2、Ten-GigabitEthernet1/0/3為Trunk端口，允許VLAN 10、VLAN 11的流量通過；Ten-GigabitEthernet1/0/1、Ten-GigabitEthernet1/0/2使能Flush報文接收，並指定接收Flush報文的控製VLAN為VLAN 10和11。
<DeviceD> system-view
[DeviceD] vlan 10 to 11
[DeviceD] interface ten-gigabitethernet 1/0/1
[DeviceD-Ten-GigabitEthernet1/0/1] port link-type trunk
[DeviceD-Ten-GigabitEthernet1/0/1] port trunk permit vlan 10 11
[DeviceD-Ten-GigabitEthernet1/0/1] undo port trunk permit vlan 1
[DeviceD-Ten-GigabitEthernet1/0/1] smart-link flush enable control-vlan 10 11
[DeviceD-Ten-GigabitEthernet1/0/1] quit
[DeviceD] interface ten-gigabitethernet 1/0/2
[DeviceD-Ten-GigabitEthernet1/0/2] port link-type trunk
[DeviceD-Ten-GigabitEthernet1/0/2] port trunk permit vlan 10 11
[DeviceD-Ten-GigabitEthernet1/0/2] undo port trunk permit vlan 1
[DeviceD-Ten-GigabitEthernet1/0/2] smart-link flush enable control-vlan 10 11
[DeviceD-Ten-GigabitEthernet1/0/2] quit
[DeviceD] interface ten-gigabitethernet 1/0/3
[DeviceD-Ten-GigabitEthernet1/0/3] port link-type trunk
[DeviceD-Ten-GigabitEthernet1/0/3] port trunk permit vlan 10 11
[DeviceD-Ten-GigabitEthernet1/0/3] undo port trunk permit vlan 1
[DeviceD-Ten-GigabitEthernet1/0/3] quit
(1) 當Device A正常工作時，查看Smart Link組的信息
# 查看Device A上的Smart Link組的信息。
[DeviceA] display smart-link group all
Smart link group 1 information:
Device ID : 0000-fc00-2500
Preemption mode : Role
Preemption delay: 10(s)
Control VLAN : 10
Protected VLAN : Reference Instance 1
Member Role State Flush-count Last-flush-time
-----------------------------------------------------------------------------
XGE1/0/1 PRIMARY ACTIVE 0 NA
XGE1/0/2 SECONDARY STANDBY 2 16:22:40 2014/12/29
Smart link group 2 information:
Device ID : 0000-fc00-2500
Preemption mode : Role
Preemption delay: 10(s)
Control VLAN : 11
Protected VLAN : Reference Instance 2
Member Role State Flush-count Last-flush-time
-----------------------------------------------------------------------------
XGE1/0/2 PRIMARY ACTIVE 2 16:22:40 2014/12/29
XGE1/0/1 SECONDARY STANDBY 0 NA
上述信息表示，在Smart Link組1中，Device A的Ten-GigabitEthernet1/0/1是主端口，負責轉發VLAN 10的流量；在Smart Link組2中，Device A的Ten-GigabitEthernet1/0/2是主端口，負責轉發VLAN 11的流量。
(2) 當Device A的Ten-GigabitEthernet1/0/1接口Down時，查看Smart Link組的信息
# 查看Device A上的Smart Link組的信息。
[DeviceA] display smart-link group all
Smart link group 1 information:
Device ID : 0000-fc00-2500
Preemption mode : Role
Preemption delay: 10(s)
Control VLAN : 10
Protected VLAN : Reference Instance 1
Member Role State Flush-count Last-flush-time
-----------------------------------------------------------------------------
XGE1/0/1 PRIMARY DOWN 0 NA
XGE1/0/2 SECONDARY ACTIVE 3 16:43:06 2014/12/29
Smart link group 2 information:
Device ID : 0000-fc00-2500
Preemption mode : Role
Preemption delay: 10(s)
Control VLAN : 11
Protected VLAN : Reference Instance 2
Member Role State Flush-count Last-flush-time
-----------------------------------------------------------------------------
XGE1/0/2 PRIMARY ACTIVE 2 16:22:40 2014/12/29
XGE1/0/1 SECONDARY DOWN 0 NA
上述信息表示，Ten-GigabitEthernet1/0/1接口Down時，在Smart Link組1中，Device A的Ten-GigabitEthernet1/0/2負責轉發VLAN 10的流量；在Smart Link組2中，Device A的Ten-GigabitEthernet1/0/2仍然是主端口，負責轉發VLAN 11的流量。
# 通過使用display smart-link flush命令可以查看Device B上收到的Flush報文信息。
[DeviceB] display smart-link flush
Received flush packets : 1
Receiving interface of the last flush packet : Ten-GigabitEthernet1/0/2
Receiving time of the last flush packet : 16:43:08 2014/10/29
Device ID of the last flush packet : 0000-fc00-2500
Control VLAN of the last flush packet : 10
· Device A：
#
vlan 1
#
vlan 10 to 11
#
stp region-configuration
instance 1 vlan 10
instance 2 vlan 11
active region-configuration
#
smart-link group 1
preemption mode role
preemption delay 10
flush enable control-vlan 10
protected-vlan reference-instance 1
#
smart-link group 2
preemption mode role
preemption delay 10
flush enable control-vlan 11
protected-vlan reference-instance 2
#
interface Ten-GigabitEthernet1/0/1
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10 to 11
undo stp enable
port smart-link group 1 primary
port smart-link group 2 secondary
#
interface Ten-GigabitEthernet1/0/2
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10 to 11
undo stp enable
port smart-link group 1 secondary
port smart-link group 2 primary
#
interface Ten-GigabitEthernet1/0/3
port link-mode bridge
port access vlan 10
#
interface Ten-GigabitEthernet1/0/4
port link-mode bridge
port access vlan 11
#
· Device B：
#
vlan 1
#
vlan 10 to 11
#
interface Ten-GigabitEthernet1/0/1
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10 to 11
undo stp enable
smart-link flush enable control-vlan 10 to 11
#
interface Ten-GigabitEthernet1/0/2
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10 to 11
smart-link flush enable control-vlan 10 to 11
#
· Device C：
#
vlan 1
#
vlan 10 to 11
#
interface Ten-GigabitEthernet1/0/1
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10 to 11
undo stp enable
smart-link flush enable control-vlan 10 to 11
#
interface Ten-GigabitEthernet1/0/2
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10 to 11
smart-link flush enable control-vlan 10 to 11
#
· Device D：
#
vlan 1
#
vlan 10 to 11
#
interface Ten-GigabitEthernet1/0/1
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10 to 11
smart-link flush enable control-vlan 10 to 11
#
interface Ten-GigabitEthernet1/0/2
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10 to 11
smart-link flush enable control-vlan 10 to 11
#
interface Ten-GigabitEthernet1/0/3
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10 to 11
#
如圖2所示，區域A和區域B分別使用VLAN 10和VLAN 11，出於可靠性考慮，接入層設備Device A和Device B都提供兩條鏈路分別雙上行到彙聚層設備Device C和Device D。現要求如下：
· Device A和Device B設備通過配置Smart Link來實現鏈路備份。
· 當Device A到Device C和Device D的兩條上行鏈路都正常時，區域A的數據流量優先通過Device A—>Device C的路徑轉發。當該鏈路出現故障時，Smart Link功能會將故障鏈路上的流量快速切換到Device A—>Device D的鏈路上。當鏈路故障恢複時，Smart Link功能又會將數據流量及時切換回原來的轉發路徑。
· 當Device B到Device C和Device D的兩條上行鏈路都正常時，區域B的數據流量優先通過Device B—>Device D的路徑轉發。當該鏈路出現故障時，Smart Link功能會將故障鏈路上的流量快速切換到Device B—>Device C的鏈路上。當鏈路故障恢複時，Smart Link功能又會將數據流量及時切換回原來的轉發路徑。
· 通過配置Smart Link和Monitor Link聯動，確保Device C和Device D的上行接口出現故障時能夠快速感知並將下行接口的狀態變為Down，觸發Smart Link進行鏈路切換，從而最大可能地避免區域A和區域B與外部通信中斷。
圖2 Smart Link+Monitor Link組配置組網圖
|
設備 |
接口 |
VLAN |
設備 |
接口 |
VLAN |
|
Device A |
XGE1/0/1 |
10 |
Device D |
XGE1/0/1 |
11 |
|
|
XGE1/0/2 |
10 |
|
XGE1/0/2 |
10、11 |
|
|
XGE1/0/3 |
10 |
|
XGE1/0/3 |
10 |
|
Device B |
XGE1/0/1 |
11 |
Device E |
XGE1/0/1 |
10、11 |
|
|
XGE1/0/2 |
11 |
|
XGE1/0/2 |
10、11 |
|
|
XGE1/0/3 |
11 |
|
XGE1/0/3 |
10、11 |
|
Device C |
XGE1/0/1 |
10 |
|
|
|
|
|
XGE1/0/2 |
10、11 |
|
|
|
|
|
XGE1/0/3 |
11 |
|
|
|
為了實現Device A和Device B的鏈路備份，需在Device A和Device B上分別創建一個Smart Link組，區域A和區域B的VLAN分別為這兩個Smart Link組的保護VLAN。
為了實現鏈路故障恢複時，區域A和區域B的數據流量仍能切換回各自原來的路徑轉發，需要為兩個Smart Link組都配置角色搶占模式。
為了避免當Smart Link組中的主從鏈路切換時，由於上遊設備上的MAC地址轉發表項和ARP/ND表項沒有及時更新，而導致下行數據流量發生中斷，需要在Device A和Device B上配置發送Flush報文功能，Device C和Device D的下行端口都需要使能接收Flush報文功能。
本舉例是在S6890-CMW710-R2712版本上進行配置和驗證的。
· 如果欲配置某端口為Smart Link組的成員端口（主端口或從端口），請先手工關閉該端口，並待Smart Link組配置完成後再開啟該端口，以避免形成環路，導致廣播風暴。
· 在配置Smart Link組的成員端口及其直連端口之前，請確認端口未啟用STP或者RRPP功能。
· 上遊設備上配置的接收處理Flush報文的控製VLAN和在Smart Link設備上配置的發送控製VLAN需要相同。
· 不同的Smart Link組需要配置不同的控製VLAN。Smart Link組的控製VLAN應同時為該Smart Link組的保護VLAN，且不要將已配置為控製VLAN的VLAN刪除，否則會影響Flush報文的發送。
· 一個接口隻能屬於一個Monitor Link組。
· 請勿通過shutdown或undo shutdown命令手動開啟或關閉接口來改變Monitor Link組中下行接口的狀態。
· 缺省情況下，S6890係列交換機的接口處於ADM（Administratively Down）狀態，請根據實際需要在對應接口視圖下使用undo shutdown命令開啟接口。
# 關閉端口Ten-GigabitEthernet1/0/1和Ten-GigabitEthernet1/0/2，並配置端口為Trunk端口，允許VLAN 10流量通過，並關閉STP。
<DeviceA> system-view
[DeviceA] vlan 10 to 11
[DeviceA] interface ten-gigabitethernet 1/0/1
[DeviceA-Ten-GigabitEthernet1/0/1] shutdown
[DeviceA-Ten-GigabitEthernet1/0/1] port link-type trunk
[DeviceA-Ten-GigabitEthernet1/0/1] port trunk permit vlan 10
[DeviceA-Ten-GigabitEthernet1/0/1] undo port trunk permit vlan 1
[DeviceA-Ten-GigabitEthernet1/0/1] undo stp enable
[DeviceA-Ten-GigabitEthernet1/0/1] quit
[DeviceA] interface ten-gigabitethernet 1/0/2
[DeviceA-Ten-GigabitEthernet1/0/2] shutdown
[DeviceA-Ten-GigabitEthernet1/0/2] port link-type trunk
[DeviceA-Ten-GigabitEthernet1/0/2] port trunk permit vlan 10
[DeviceA-Ten-GigabitEthernet1/0/2] undo port trunk permit vlan 1
[DeviceA-Ten-GigabitEthernet1/0/2] undo stp enable
[DeviceA-Ten-GigabitEthernet1/0/2] quit
# 配置端口Ten-GigabitEthernet1/0/3為Access端口，允許VLAN 10流量通過。
[DeviceA] interface ten-gigabitethernet 1/0/3
[DeviceA-Ten-GigabitEthernet1/0/3] port access vlan 10
[DeviceA-Ten-GigabitEthernet1/0/3] quit
# 將VLAN 10映射到MSTI 1上，並激活MST域的配置。
[DeviceA] stp region-configuration
[DeviceA-mst-region] instance 1 vlan 10
[DeviceA-mst-region] active region-configuration
[DeviceA-mst-region] quit
# 創建Smart Link組1，並配置其保護VLAN為MSTI 1所映射的VLAN。
[DeviceA] smart-link group 1
[DeviceA-smlk-group1] protected-vlan reference-instance 1
# 配置端口Ten-GigabitEthernet1/0/1為主端口，Ten-GigabitEthernet1/0/2為從端口。
[DeviceA-smlk-group1] port ten-gigabitethernet 1/0/1 primary
[DeviceA-smlk-group1] port ten-gigabitethernet 1/0/2 secondary
# 使能發送Flush報文。
[DeviceA-smlk-group1] flush enable control-vlan 10
# 配置搶占模式，配置延時搶占時間為10秒。
[DeviceA-smlk-group1] preemption mode role
[DeviceA-smlk-group1] preemption delay 10
[DeviceA-smlk-group1] quit
# 開啟端口Ten-GigabitEthernet1/0/1和Ten-GigabitEthernet1/0/2。
[DeviceA] interface ten-gigabitethernet 1/0/1
[DeviceA-Ten-GigabitEthernet1/0/1] undo shutdown
[DeviceA-Ten-GigabitEthernet1/0/1] quit
[DeviceA] interface ten-gigabitethernet 1/0/2
[DeviceA-Ten-GigabitEthernet1/0/2] undo shutdown
[DeviceA-Ten-GigabitEthernet1/0/2] quit
# 關閉端口Ten-GigabitEthernet1/0/1和Ten-GigabitEthernet1/0/2，並配置端口為Trunk端口，允許VLAN 11流量通過，並關閉STP。
<DeviceB> system-view
[DeviceB] vlan 10 to 11
[DeviceB] interface ten-gigabitethernet 1/0/1
[DeviceB-Ten-GigabitEthernet1/0/1] shutdown
[DeviceB-Ten-GigabitEthernet1/0/1] port link-type trunk
[DeviceB-Ten-GigabitEthernet1/0/1] port trunk permit vlan 11
[DeviceB-Ten-GigabitEthernet1/0/1] undo port trunk permit vlan 1
[DeviceB-Ten-GigabitEthernet1/0/1] undo stp enable
[DeviceB-Ten-GigabitEthernet1/0/1] quit
[DeviceB] interface ten-gigabitethernet 1/0/2
[DeviceB-Ten-GigabitEthernet1/0/2] shutdown
[DeviceB-Ten-GigabitEthernet1/0/2] port link-type trunk
[DeviceB-Ten-GigabitEthernet1/0/2] port trunk permit vlan 11
[DeviceB-Ten-GigabitEthernet1/0/2] undo port trunk permit vlan 1
[DeviceB-Ten-GigabitEthernet1/0/2] undo stp enable
[DeviceB-Ten-GigabitEthernet1/0/2] quit
# 配置端口Ten-GigabitEthernet1/0/3為Access端口，分別允許VLAN 11流量通過。
[DeviceB] interface ten-gigabitethernet 1/0/3
[DeviceB-Ten-GigabitEthernet1/0/3] port access vlan 11
[DeviceB-Ten-GigabitEthernet1/0/3] quit
# 將VLAN 11映射到MSTI 1上，並激活MST域的配置。
[DeviceB] stp region-configuration
[DeviceB-mst-region] instance 1 vlan 11
[DeviceB-mst-region] active region-configuration
[DeviceB-mst-region] quit
# 創建Smart Link組1，並配置其保護VLAN為MSTI 1所映射的VLAN。
[DeviceB] smart-link group 1
[DeviceB-smlk-group1] protected-vlan reference-instance 1
# 配置端口Ten-GigabitEthernet1/0/1為主端口，Ten-GigabitEthernet1/0/2為從端口。
[DeviceB-smlk-group1] port ten-gigabitethernet 1/0/1 primary
[DeviceB-smlk-group1] port ten-gigabitethernet 1/0/2 secondary
# 使能發送Flush報文。
[DeviceB-smlk-group1] flush enable control-vlan 11
# 配置搶占模式，配置延時搶占時間為10秒。
[DeviceB-smlk-group1] preemption mode role
[DeviceB-smlk-group1] preemption delay 10
[DeviceB-smlk-group1] quit
# 開啟端口Ten-GigabitEthernet1/0/1和Ten-GigabitEthernet1/0/2。
[DeviceB] interface ten-gigabitethernet 1/0/1
[DeviceB-Ten-GigabitEthernet1/0/1] undo shutdown
[DeviceB-Ten-GigabitEthernet1/0/1] quit
[DeviceB] interface ten-gigabitethernet 1/0/2
[DeviceB-Ten-GigabitEthernet1/0/2] undo shutdown
[DeviceB-Ten-GigabitEthernet1/0/2] quit
# 配置端口Ten-GigabitEthernet1/0/1為Trunk端口，允許VLAN 10流量通過，在該端口上關閉STP並使能Flush報文接收，並指定接收Flush報文的控製VLAN為VLAN 10。
<DeviceC> system-view
[DeviceC] vlan 10 to 11
[DeviceC] interface ten-gigabitethernet 1/0/1
[DeviceC-Ten-GigabitEthernet1/0/1] port link-type trunk
[DeviceC-Ten-GigabitEthernet1/0/1] port trunk permit vlan 10
[DeviceC-Ten-GigabitEthernet1/0/1] undo port trunk permit vlan 1
[DeviceC-Ten-GigabitEthernet1/0/1] undo stp enable
[DeviceC-Ten-GigabitEthernet1/0/1] smart-link flush enable control-vlan 10
[DeviceC-Ten-GigabitEthernet1/0/1] quit
# 配置端口Ten-GigabitEthernet1/0/2為Trunk端口，允許VLAN 10、VLAN11流量通過，並使能Flush報文接收。
[DeviceC] interface ten-gigabitethernet 1/0/2
[DeviceC-Ten-GigabitEthernet1/0/2] port link-type trunk
[DeviceC-Ten-GigabitEthernet1/0/2] port trunk permit vlan 10 11
[DeviceC-Ten-GigabitEthernet1/0/2] undo port trunk permit vlan 1
[DeviceC-Ten-GigabitEthernet1/0/2] smart-link flush enable control-vlan 10 11
[DeviceC-Ten-GigabitEthernet1/0/2] quit
# 配置端口Ten-GigabitEthernet1/0/3為Trunk端口，允許VLAN 11流量通過，在該端口上關閉STP並使能Flush報文接收，並指定接收Flush報文的控製VLAN為VLAN 11。
[DeviceC] interface ten-gigabitethernet 1/0/3
[DeviceC-Ten-GigabitEthernet1/0/3] port link-type trunk
[DeviceC-Ten-GigabitEthernet1/0/3] port trunk permit vlan 11
[DeviceC-Ten-GigabitEthernet1/0/3] undo port trunk permit vlan 1
[DeviceC-Ten-GigabitEthernet1/0/3] undo stp enable
[DeviceC-Ten-GigabitEthernet1/0/3] smart-link flush enable control-vlan 11
[DeviceC-Ten-GigabitEthernet1/0/3] quit
# 創建Monitor Link組1。
[DeviceC] monitor-link group 1
# 配置觸發Monitor Link組狀態切換的上行接口閾值為1。
[DeviceC-mtlk-group1] uplink up-port-threshold 1
# Ten-GigabitEthernet1/0/2配置為上行接口，Ten-GigabitEthernet1/0/1和Ten-GigabitEthernet1/0/3配置為下行接口。
[DeviceC-mtlk-group1] port ten-gigabitethernet 1/0/2 uplink
[DeviceC-mtlk-group1] port ten-gigabitethernet 1/0/1 downlink
[DeviceC-mtlk-group1] port ten-gigabitethernet 1/0/3 downlink
[DeviceC-mtlk-group1] quit
# 配置端口Ten-GigabitEthernet1/0/1為Trunk端口，允許VLAN 11流量通過，在該端口上關閉STP並使能Flush報文接收，並指定接收Flush報文的控製VLAN為VLAN 11。
<DeviceD> system-view
[DeviceD] vlan 10 to 11
[DeviceD] interface ten-gigabitethernet 1/0/1
[DeviceD-Ten-GigabitEthernet1/0/1] port link-type trunk
[DeviceD-Ten-GigabitEthernet1/0/1] port trunk permit vlan 11
[DeviceD-Ten-GigabitEthernet1/0/1] undo port trunk permit vlan 1
[DeviceD-Ten-GigabitEthernet1/0/1] undo stp enable
[DeviceD-Ten-GigabitEthernet1/0/1] smart-link flush enable control-vlan 11
[DeviceD-Ten-GigabitEthernet1/0/1] quit
# 配置端口Ten-GigabitEthernet1/0/2為Trunk端口，允許VLAN 10、VLAN11流量通過，並使能Flush報文接收。
[DeviceD] interface ten-gigabitethernet 1/0/2
[DeviceD-Ten-GigabitEthernet1/0/2] port link-type trunk
[DeviceD-Ten-GigabitEthernet1/0/2] port trunk permit vlan 10 11
[DeviceD-Ten-GigabitEthernet1/0/2] undo port trunk permit vlan 1
[DeviceD-Ten-GigabitEthernet1/0/2] smart-link flush enable control-vlan 10 11
[DeviceD-Ten-GigabitEthernet1/0/2] quit
# 配置端口Ten-GigabitEthernet1/0/3為Trunk端口，允許VLAN 10流量通過，在該端口上關閉STP並使能Flush報文接收，並指定接收Flush報文的控製VLAN為VLAN 10。
[DeviceD] interface ten-gigabitethernet 1/0/3
[DeviceD-Ten-GigabitEthernet1/0/3] port link-type trunk
[DeviceD-Ten-GigabitEthernet1/0/3] port trunk permit vlan 10
[DeviceD-Ten-GigabitEthernet1/0/3] undo port trunk permit vlan 1
[DeviceD-Ten-GigabitEthernet1/0/3] undo stp enable
[DeviceD-Ten-GigabitEthernet1/0/3] smart-link flush enable control-vlan 10
[DeviceD-Ten-GigabitEthernet1/0/3] quit
# 創建Monitor Link組1。
[DeviceD] monitor-link group 1
# 配置觸發Monitor Link組狀態切換的上行接口閾值為1。
[DeviceD-mtlk-group1] uplink up-port-threshold 1
# Ten-GigabitEthernet1/0/2配置為上行接口，Ten-GigabitEthernet1/0/1和Ten-GigabitEthernet1/0/3配置為下行接口。
[DeviceD-mtlk-group1] port ten-gigabitethernet 1/0/2 uplink
[DeviceD-mtlk-group1] port ten-gigabitethernet 1/0/1 downlink
[DeviceD-mtlk-group1] port ten-gigabitethernet 1/0/3 downlink
[DeviceD-mtlk-group1] quit
# 配置端口Ten-GigabitEthernet1/0/1、Ten-GigabitEthernet1/0/2、Ten-GigabitEthernet1/0/3為Trunk端口，允許VLAN 10、VLAN 11的流量通過；Ten-GigabitEthernet1/0/1、Ten-GigabitEthernet1/0/2使能Flush報文接收，並指定接收Flush報文的控製VLAN為VLAN 10和11。
<DeviceE> system-view
[DeviceE] vlan 10 to 11
[DeviceE] interface ten-gigabitethernet 1/0/1
[DeviceE-Ten-GigabitEthernet1/0/1] port link-type trunk
[DeviceE-Ten-GigabitEthernet1/0/1] port trunk permit vlan 10 11
[DeviceE-Ten-GigabitEthernet1/0/1] undo port trunk permit vlan 1
[DeviceE-Ten-GigabitEthernet1/0/1] smart-link flush enable control-vlan 10 11
[DeviceE-Ten-GigabitEthernet1/0/1] quit
[DeviceE] interface ten-gigabitethernet 1/0/2
[DeviceE-Ten-GigabitEthernet1/0/2] port link-type trunk
[DeviceE-Ten-GigabitEthernet1/0/2] port trunk permit vlan 10 11
[DeviceE-Ten-GigabitEthernet1/0/2] undo port trunk permit vlan 1
[DeviceE-Ten-GigabitEthernet1/0/2] smart-link flush enable control-vlan 10 11
[DeviceE-Ten-GigabitEthernet1/0/2] quit
[DeviceE] interface ten-gigabitethernet 1/0/3
[DeviceE-Ten-GigabitEthernet1/0/3] port link-type trunk
[DeviceE-Ten-GigabitEthernet1/0/3] port trunk permit vlan 10 11
[DeviceE-Ten-GigabitEthernet1/0/3] undo port trunk permit vlan 1
[DeviceE-Ten-GigabitEthernet1/0/3] quit
(1) 當Device A和Device B正常工作時，查看Smart Link組的信息
# 查看Device A上的Smart Link組的信息。
[DeviceA] display smart-link group all
Smart link group 1 information:
Device ID : 0000-fc00-2500
Preemption mode : Role
Preemption delay: 10(s)
Control VLAN : 10
Protected VLAN : Reference Instance 1
Member Role State Flush-count Last-flush-time
-----------------------------------------------------------------------------
XGE1/0/1 PRIMARY ACTIVE 1 17:37:49 2014/12/29
XGE1/0/2 SECONDARY STANDBY 3 17:43:06 2014/12/29
# 查看Device B上的Smart Link組的信息。
[DeviceB] display smart-link group all
Smart link group 1 information:
Device ID : 0000-fc01-2501
Preemption mode : Role
Preemption delay: 10(s)
Control VLAN : 11
Protected VLAN : Reference Instance 2
Member Role State Flush-count Last-flush-time
-----------------------------------------------------------------------------
XGE1/0/1 PRIMARY ACTIVE 2 17:22:40 2014/12/29
XGE1/0/2 SECONDARY STANDBY 0 NA
上述信息表示，在Device A設備的Smart Link組1中，Device A的Ten-GigabitEthernet1/0/1是主端口，負責轉發VLAN 10的流量；在Device B設備的Smart Link組1中，Device B的Ten-GigabitEthernet1/0/1是主端口，負責轉發VLAN 11的流量。
(2) 當Device C和Device D正常工作時，查看Monitor Link組的信息
# 查看Device C上的Monitor Link組的信息。
[DeviceC] display monitor-link group all
Monitor link group 1 information:
Group status : UP
Downlink up-delay: 0(s)
Last-up-time : 17:07:26 2014/12/29
Last-down-time : -
Up-port-threshold: 1
Member Role Status
--------------------------------------------
XGE1/0/2 UPLINK UP
XGE1/0/1 DOWNLINK UP
XGE1/0/3 DOWNLINK UP
# 查看Device D上的Monitor Link組的信息。
[DeviceD] display monitor-link group all
Monitor link group 1 information:
Group status : UP
Downlink up-delay: 0(s)
Last-up-time : 17:09:33 2014/12/29
Last-down-time : -
Up-port-threshold: 1
Member Role Status
--------------------------------------------
XGE1/0/2 UPLINK UP
XGE1/0/1 DOWNLINK UP
XGE1/0/3 DOWNLINK UP
上述信息表示，Device C設備的Monitor Link 1中，Ten-GigabitEthernet1/0/2為上行接口，Ten-GigabitEthernet1/0/1和Ten-GigabitEthernet1/0/3為下行接口；Device D設備的Monitor Link 2中，Ten-GigabitEthernet1/0/2為上行接口，Ten-GigabitEthernet1/0/1和Ten-GigabitEthernet1/0/3為下行接口。
(3) 當Device A的Ten-GigabitEthernet1/0/1接口Down時，查看Smart Link組的信息
# 查看Device A上的Smart Link組的信息。
[DeviceA] display smart-link group all
Smart link group 1 information:
Device ID : 0000-fc00-2500
Preemption mode : Role
Preemption delay: 10(s)
Control VLAN : 10
Protected VLAN : Reference Instance 1
Member Role State Flush-count Last-flush-time
-----------------------------------------------------------------------------
XGE1/0/1 PRIMARY DOWN 1 17:37:49 2014/12/29
XGE1/0/2 SECONDAR ACTIVE 4 17:49:06 2014/12/29
上述信息表示，Device A的Ten-GigabitEthernet1/0/1接口Down時，在Smart Link組1中， Ten-GigabitEthernet1/0/2負責轉發VLAN 10的流量。
# 通過使用display smart-link flush命令可以查看Device C上收到的Flush報文信息。
[DeviceC] display smart-link flush
Received flush packets : 1
Receiving interface of the last flush packet : Ten-GigabitEthernet1/0/2
Receiving time of the last flush packet : 17:49:08 2014/12/29
Device ID of the last flush packet : 0000-fc00-2500
Control VLAN of the last flush packet : 10
(4) 當Device C的上行接口Ten-GigabitEthernet1/0/2的狀態變為Down時，查看Monitor Link組的信息
# 查看Device C上的Monitor Link組的信息。
[DeviceC] display monitor-link group all
Monitor link group 1 information:
Group status : DOWN
Downlink up-delay: 0(s)
Last-up-time : 17:07:26 2014/12/29
Last-down-time : 18:01:05 2014/12/29
Up-port-threshold: 1
Member Role Status
--------------------------------------------
XGE1/0/2 UPLINK DOWN
XGE1/0/1 DOWNLINK DOWN
XGE1/0/3 DOWNLINK DOWN
# 查看Device D上的Monitor Link組的信息。
[DeviceD] display monitor-link group all
Monitor link group 1 information:
Group status : UP
Downlink up-delay: 0(s)
Last-up-time : 17:09:33 2014/12/29
Last-down-time : -
Up-port-threshold: 1
Member Role Status
--------------------------------------------
XGE1/0/2 UPLINK UP
XGE1/0/1 DOWNLINK UP
XGE1/0/3 DOWNLINK UP
上述信息表示，Device C設備的Ten-GigabitEthernet1/0/2狀態變為Down時，Device C上的Monitor Link 1的狀態變為Down，所有下行接口的狀態變為Down。
# 查看Device A上的Smart Link組的信息。
[DeviceA] display smart-link group all
Smart link group 1 information:
Device ID : 0000-fc00-2500
Preemption mode : Role
Preemption delay: 10(s)
Control VLAN : 10
Protected VLAN : Reference Instance 1
Member Role State Flush-count Last-flush-time
-----------------------------------------------------------------------------
XGE1/0/1 PRIMARY DOWN 2 17:57:49 2014/12/29
XGE1/0/2 SECONDAR ACTIVE 5 18:01:06 2014/12/29
上述信息表示，Device A的Ten-GigabitEthernet1/0/1狀態也變為Down，在Smart Link組1中， Ten-GigabitEthernet1/0/2負責轉發VLAN 10的流量。
· Device A：
#
vlan 1
#
vlan 10
#
stp region-configuration
instance 1 vlan 10
active region-configuration
#
smart-link group 1
preemption mode role
preemption delay 10
flush enable control-vlan 10
protected-vlan reference-instance 1
#
interface Ten-GigabitEthernet1/0/1
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10
undo stp enable
port smart-link group 1 primary
#
interface Ten-GigabitEthernet1/0/2
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10
undo stp enable
port smart-link group 1 secondary
#
interface Ten-GigabitEthernet1/0/3
port link-mode bridge
port access vlan 10
#
· Device B：
#
vlan 1
#
vlan 11
#
stp region-configuration
instance 1 vlan 11
active region-configuration
#
smart-link group 1
preemption mode role
preemption delay 10
flush enable control-vlan 11
protected-vlan reference-instance 1
#
interface Ten-GigabitEthernet1/0/1
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 11
undo stp enable
port smart-link group 1 primary
#
interface Ten-GigabitEthernet1/0/2
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 11
undo stp enable
port smart-link group 1 secondary
#
interface Ten-GigabitEthernet1/0/3
port link-mode bridge
port access vlan 11
#
· Device C：
#
vlan 1
#
vlan 10 to 11
#
monitor-link group 1
#
interface Ten-GigabitEthernet1/0/1
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10
undo stp enable
smart-link flush enable control-vlan 10
port monitor-link group 1 downlink
#
interface Ten-GigabitEthernet1/0/2
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10 to 11
smart-link flush enable control-vlan 10 to 11
port monitor-link group 1 uplink
#
interface Ten-GigabitEthernet1/0/3
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 11
undo stp enable
smart-link flush enable control-vlan 11
port monitor-link group 1 downlink
#
· Device D：
#
vlan 1
#
vlan 10 to 11
#
monitor-link group 1
#
interface Ten-GigabitEthernet1/0/1
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 11
undo stp enable
smart-link flush enable control-vlan 11
port monitor-link group 1 downlink
#
interface Ten-GigabitEthernet1/0/2
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10 to 11
smart-link flush enable control-vlan 10 to 11
port monitor-link group 1 uplink
#
interface Ten-GigabitEthernet1/0/3
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10
undo stp enable
smart-link flush enable control-vlan 10
port monitor-link group 1 downlink
#
· Device E：
#
vlan 1
#
vlan 10 to 11
#
interface Ten-GigabitEthernet1/0/1
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10 to 11
smart-link flush enable control-vlan 10 to 11
#
interface Ten-GigabitEthernet1/0/2
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10 to 11
smart-link flush enable control-vlan 10 to 11
#
interface Ten-GigabitEthernet1/0/3
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10 to 11
#
如圖3所示，某企業財務部和市場部分別使用VLAN 10和VLAN 11接入Device A和Device B。為了擴展性考慮，接入層設備Device A和Device B組成IRF，接入彙聚層設備Device C和Device D。現要求如下：
· 接入層設備通過配置Smart Link來實現鏈路備份。
· 當Device A和Device B的上行鏈路都正常時，財務部和市場部的數據流量通過Device A—>Device C的路徑進行轉發；當該鏈路出現故障時，Smart Link功能會將故障鏈路上的流量快速切換到另一條鏈路上；當鏈路故障恢複時，Smart Link功能又會將數據流量及時切換回原來的轉發路徑。
圖3 Smart Link +IRF組配置組網圖
|
設備 |
接口 |
VLAN |
設備 |
接口 |
VLAN |
|
Device A |
XGE1/0/1 |
10、11 |
Device B |
XGE2/0/1 |
10、11 |
|
|
XGE1/0/3 |
10 |
|
XGE2/0/3 |
11 |
|
Device C |
XGE1/0/1 |
10、11 |
Device D |
XGE1/0/1 |
10、11 |
|
|
XGE1/0/2 |
10、11 |
|
XGE1/0/2 |
10、11 |
為了實現Device A和Device B的鏈路備份，需在Device A 和Device B上創建一個Smart Link組，財務部和市場部的VLAN為這個Smart Link組的保護VLAN。
為了實現鏈路故障恢複時，財務部和市場部的數據流量仍能切換回各自原來的路徑轉發，需要為兩個Smart Link組都配置角色搶占模式。
為了避免當Smart Link組中的主從鏈路切換時，由於上遊設備上的MAC地址轉發表項和ARP/ND表項沒有及時更新，而導致下行數據流量發生中斷，需要在Device A和Device B上配置發送Flush報文功能，Device C、Device D的ten-gigabitethernet 1/0/1端口需要使能接收Flush報文功能。
本舉例是在S6890-CMW710-R2712版本上進行配置和驗證的。
· 如果欲配置某端口為Smart Link組的成員端口（主端口或從端口），請先手工關閉該端口，並待Smart Link組配置完成後再開啟該端口，以避免形成環路，導致廣播風暴。
· 在配置Smart Link組的成員端口及其直連端口之前，請確認端口未啟用STP或者RRPP功能。
· 上遊設備上配置的接收處理Flush報文的控製VLAN和在Smart Link設備上配置的發送控製VLAN需要相同。
· Smart Link組的控製VLAN應同時為該Smart Link組的保護VLAN，且不要將已配置為控製VLAN的VLAN刪除，否則會影響Flush報文的發送。
· 有關IRF的配置注意事項，請參見“虛擬化技術配置指導”中的“IRF”。
· 缺省情況下，S6890係列交換機的接口處於ADM（Administratively Down）狀態，請根據實際需要在對應接口視圖下使用undo shutdown命令開啟接口。
# 將Device A的成員編號配置為1。
<DeviceA> system-view
[DeviceA] irf member 1
# 配置IRF端口1/2，並將它與物理端口Ten-GigabitEthernet1/0/2綁定，並保存配置。
[DeviceA] interface ten-gigabitethernet 1/0/2
[DeviceA-Ten-GigabitEthernet1/0/2] shutdown
[DeviceA-Ten-GigabitEthernet1/0/2] quit
[DeviceA] irf-port 1/2
[DeviceA-irf-port1/2] port group interface ten-gigabitethernet 1/0/2
[DeviceA-irf-port1/2] quit
[DeviceA] interface ten-gigabitethernet 1/0/2
[DeviceA-Ten-GigabitEthernet1/0/2] undo shutdown
[DeviceA-Ten-GigabitEthernet1/0/2] quit
[DeviceA] save
# 激活IRF端口下的配置。
[DeviceA] irf-port-configuration active
# 將Device B的成員編號配置為2，並重啟設備使新編號生效。
<DeviceB> system-view
[DeviceB] irf member 1 renumber 2
Warning: Renumbering the member ID may result in configuration change or loss. Continue? [Y/N]:y
[DeviceB] quit
<DeviceB> reboot
# 參照圖3進行物理連線。
# 重新登錄到設備，配置IRF端口2/1，並將它與物理端口Ten-GigabitEthernet1/0/2綁定，並保存配置。
<DeviceB> system-view
[DeviceB] interface ten-gigabitethernet 1/0/2
[DeviceB-Ten-GigabitEthernet1/0/2] shutdown
[DeviceB-Ten-GigabitEthernet1/0/2] quit
[DeviceB] irf-port 2/1
[DeviceB-irf-port2/1] port group interface ten-gigabitEthernet 1/0/2
[DeviceB-irf-port2/1] quit
[DeviceB] interface ten-gigabitethernet 1/0/2
[DeviceB-Ten-GigabitEthernet1/0/2] undo shutdown
[DeviceB-Ten-GigabitEthernet1/0/2] quit
[DeviceB] save
# 激活IRF端口下的配置。
[DeviceB] irf-port-configuration active
Device A和Device B間將會進行主設備競選，競選失敗的一方將重啟，重啟完成後，IRF形成。
# 關閉端口Ten-GigabitEthernet1/0/1和Ten-GigabitEthernet2/0/1，並配置端口為Trunk端口，允許VLAN 10、VLAN 11流量通過，並關閉STP。
<DeviceA> system-view
[DeviceA] vlan 10 to 11
[DeviceA] interface ten-gigabitethernet 1/0/1
[DeviceA-Ten-GigabitEthernet1/0/1] shutdown
[DeviceA-Ten-GigabitEthernet1/0/1] port link-type trunk
[DeviceA-Ten-GigabitEthernet1/0/1] port trunk permit vlan 10 11
[DeviceA-Ten-GigabitEthernet1/0/1] undo port trunk permit vlan 1
[DeviceA-Ten-GigabitEthernet1/0/1] undo stp enable
[DeviceA-Ten-GigabitEthernet1/0/1] quit
[DeviceA] interface ten-gigabitethernet 2/0/1
[DeviceA-Ten-GigabitEthernet2/0/1] shutdown
[DeviceA-Ten-GigabitEthernet2/0/1] port link-type trunk
[DeviceA-Ten-GigabitEthernet2/0/1] port trunk permit vlan 10 11
[DeviceA-Ten-GigabitEthernet2/0/1] undo port trunk permit vlan 1
[DeviceA-Ten-GigabitEthernet2/0/1] undo stp enable
[DeviceA-Ten-GigabitEthernet2/0/1] quit
# 配置端口Ten-GigabitEthernet1/0/3為Access端口，允許VLAN 10流量通過。
[DeviceA] interface ten-gigabitethernet 1/0/3
[DeviceA-Ten-GigabitEthernet1/0/3] port access vlan 10
[DeviceA-Ten-GigabitEthernet1/0/3] quit
# 配置端口Ten-GigabitEthernet2/0/3為Access端口，允許VLAN 11流量通過。
[DeviceA] interface ten-gigabitethernet 2/0/3
[DeviceA-Ten-GigabitEthernet2/0/3] port access vlan 11
[DeviceA-Ten-GigabitEthernet2/0/3] quit
# 將VLAN 10和VLAN 11映射到MSTI 1上，並激活MST域的配置。
[DeviceA] stp region-configuration
[DeviceA-mst-region] instance 1 vlan 10 11
[DeviceA-mst-region] active region-configuration
[DeviceA-mst-region] quit
# 創建Smart Link組1，並配置其保護VLAN為MSTI 1所映射的VLAN。
[DeviceA] smart-link group 1
[DeviceA-smlk-group1] protected-vlan reference-instance 1
# 配置端口Ten-GigabitEthernet1/0/1為主端口，Ten-GigabitEthernet2/0/1為從端口。
[DeviceA-smlk-group1] port ten-gigabitethernet 1/0/1 primary
[DeviceA-smlk-group1] port ten-gigabitethernet 2/0/1 secondary
# 使能發送Flush報文。
[DeviceA-smlk-group1] flush enable control-vlan 10
# 配置搶占模式，配置延時搶占時間為10秒。
[DeviceA-smlk-group1] preemption mode role
[DeviceA-smlk-group1] preemption delay 10
[DeviceA-smlk-group1] quit
# 開啟端口Ten-GigabitEthernet1/0/1和Ten-GigabitEthernet2/0/1。
[DeviceA] interface ten-gigabitethernet 1/0/1
[DeviceA-Ten-GigabitEthernet1/0/1] undo shutdown
[DeviceA-Ten-GigabitEthernet1/0/1] quit
[DeviceA] interface ten-gigabitethernet 2/0/1
[DeviceA-Ten-GigabitEthernet2/0/1] undo shutdown
[DeviceA-Ten-GigabitEthernet2/0/1] quit
# 配置端口Ten-GigabitEthernet1/0/1為Trunk端口，允許VLAN 10和11流量通過，在該端口上關閉STP並使能Flush報文接收，並指定接收Flush報文的控製VLAN為VLAN 10和11。
<DeviceC> system-view
[DeviceC] vlan 10 to 11
[DeviceC] interface ten-gigabitethernet 1/0/1
[DeviceC-Ten-GigabitEthernet1/0/1] port link-type trunk
[DeviceC-Ten-GigabitEthernet1/0/1] port trunk permit vlan 10 11
[DeviceC-Ten-GigabitEthernet1/0/1] undo port trunk permit vlan 1
[DeviceC-Ten-GigabitEthernet1/0/1] undo stp enable
[DeviceC-Ten-GigabitEthernet1/0/1] smart-link flush enable control-vlan 10 11
[DeviceC-Ten-GigabitEthernet1/0/1] quit
# 配置端口Ten-GigabitEthernet1/0/2為Trunk端口，允許VLAN 10和11流量通過，使能Flush報文接收，並指定接收Flush報文的控製VLAN為VLAN 10和11。
[DeviceC] interface ten-gigabitethernet 1/0/2
[DeviceC-Ten-GigabitEthernet1/0/2] port link-type trunk
[DeviceC-Ten-GigabitEthernet1/0/2] port trunk permit vlan 10 11
[DeviceC-Ten-GigabitEthernet1/0/2] undo port trunk permit vlan 1
[DeviceC-Ten-GigabitEthernet1/0/2] smart-link flush enable control-vlan 10 11
[DeviceC-Ten-GigabitEthernet1/0/2] quit
# 配置端口Ten-GigabitEthernet1/0/1為Trunk端口，允許VLAN 10和11流量通過，在該端口上關閉STP並使能Flush報文接收，並指定接收Flush報文的控製VLAN為VLAN 10和11。
<DeviceD> system-view
[DeviceD] vlan 10 to 11
[DeviceD] interface ten-gigabitethernet 1/0/1
[DeviceD-Ten-GigabitEthernet1/0/1] port link-type trunk
[DeviceD-Ten-GigabitEthernet1/0/1] port trunk permit vlan 10 11
[DeviceD-Ten-GigabitEthernet1/0/1] undo port trunk permit vlan 1
[DeviceD-Ten-GigabitEthernet1/0/1] undo stp enable
[DeviceD-Ten-GigabitEthernet1/0/1] smart-link flush enable control-vlan 10 11
[DeviceD-Ten-GigabitEthernet1/0/1] quit
# 配置端口Ten-GigabitEthernet1/0/2為Trunk端口，允許VLAN 10和11流量通過，並使能Flush報文接收，並指定接收Flush報文的控製VLAN為VLAN 10和11。
[DeviceD] interface ten-gigabitethernet 1/0/2
[DeviceD-Ten-GigabitEthernet1/0/2] port link-type trunk
[DeviceD-Ten-GigabitEthernet1/0/2] port trunk permit vlan 10 11
[DeviceD-Ten-GigabitEthernet1/0/2] undo port trunk permit vlan 1
[DeviceD-Ten-GigabitEthernet1/0/2] smart-link flush enable control-vlan 10 11
[DeviceD-Ten-GigabitEthernet1/0/2] quit
(1) 配置完成後，查看IRF的相關信息
# 在Device A上查看IRF的相關信息。（集中式設備）
<Sysname> display irf
MemberID Role Priority CPU-Mac Description
*+1 Master 1 0210-fc01-0001 -----
2 Standby 1 0210-fc02-0002 -----
--------------------------------------------------------
* indicates the device is the master.
+ indicates the device through which the user logs in.
The Bridge MAC of the IRF is: 00e0-fc00-1000
Auto upgrade : yes
Mac persistent : 6 min
Domain ID : 0
IRF mode : normal
以上顯示信息表明IRF已經成功建立。
# 在Device A上查看IRF的相關信息。（分布式設備）
[DeviceA] display irf
MemberID Slot Role Priority CPU-Mac Description
*+1 1 Master 1 0210-fc01-0001 -----
2 0 Standby 1 0210-fc02-0002 -----
--------------------------------------------------
* indicates the device is the master.
+ indicates the device through which the user logs in.
The bridge MAC of the IRF is: 00e0-fc00-c518
Auto upgrade : yes
Mac persistent : 6 min
Domain ID : 0
Auto merge : yes
IRF mode : normal
以上顯示信息表明IRF已經成功建立。
(2) 當Device A正常工作時，查看Smart Link組的信息
# 查看Device A上的Smart Link組的信息。
[DeviceA] display smart-link group all
Smart link group 1 information:
Device ID : 00e0-fc00-c518
Preemption mode : Role
Preemption delay: 10(s)
Control VLAN : 10
Protected VLAN : Reference Instance 1
Member Role State Flush-count Last-flush-time
-----------------------------------------------------------------------------
XGE1/0/1 PRIMARY ACTIVE 3 18:16:44 2014/12/29
XGE2/0/1 SECONDARY STANDBY 0 NA
上述信息表示，在Smart Link組1中，Device A的Ten-GigabitEthernet1/0/1是主端口，負責轉發VLAN 10和VLAN 11的流量，Device B的Ten-GigabitEthernet2/0/1是從端口，作為備份端口。
(3) 當Device A的Ten-GigabitEthernet1/0/1接口Down時，查看Smart Link組的信息
# 查看Device A上的Smart Link組的信息。
[DeviceA] display smart-link group all
Smart link group 1 information:
Device ID : 00e0-fc00-c518
Preemption mode : Role
Preemption delay: 10(s)
Control VLAN : 10
Protected VLAN : Reference Instance 1
Member Role State Flush-count Last-flush-time
-----------------------------------------------------------------------------
XGE1/0/1 PRIMARY DOWN 3 18:16:44 2014/12/29
XGE2/0/1 SECONDARY ACTIVE 1 18:22:37 2014/12/29
上述信息表示，Device A的Ten-GigabitEthernet1/0/1接口Down時，在Smart Link組1中，Device B的Ten-GigabitEthernet2/0/1負責轉發VLAN 10和VLAN 11的流量。
# 通過使用display smart-link flush命令可以查看Device C上收到的Flush報文信息。
[DeviceC] display smart-link flush
Received flush packets : 1
Receiving interface of the last flush packet : Ten-GigabitEthernet1/0/3
Receiving time of the last flush packet : 18:22:39 2014/12/29
Device ID of the last flush packet : 00e0-fc00-c518
Control VLAN of the last flush packet : 10
# 通過使用display smart-link flush命令可以查看Device D上收到的Flush報文信息。
[DeviceD] display smart-link flush
Received flush packets : 1
Receiving interface of the last flush packet : Ten-GigabitEthernet1/0/1
Receiving time of the last flush packet : 18:22:38 2014/12/29
Device ID of the last flush packet : 00e0-fc00-c518
Control VLAN of the last flush packet : 10
· Device A
#
sysname DeviceA
#
vlan 10 to 11
#
irf mac-address persistent always
irf auto-update enable
irf auto-merge enable
undo irf link-delay
irf member 1 priority 1
irf member 2 priority 1
irf mode normal
#
irf-port 1/2
port group 1 interface Ten-GigabitEthernet1/0/2
port group mdc 1 interface Ten-GigabitEthernet1/0/2
#
irf-port 2/1
port group 1 interface Ten-GigabitEthernet2/0/2
port group mdc 1 interface Ten-GigabitEthernet2/0/2
#
stp region-configuration
instance 1 vlan 10 to 11
active region-configuration
#
smart-link group 1
preemption mode role
preemption delay 10
flush enable control-vlan 10
protected-vlan reference-instance 1
#
interface Ten-GigabitEthernet1/0/1
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10 to 11
undo stp enable
port smart-link group 1 primary
#
interface Ten-GigabitEthernet1/0/3
port link-mode bridge
port access vlan 10
#
interface Ten-GigabitEthernet2/0/1
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10 to 11
undo stp enable
port smart-link group 1 secondary
#
interface Ten-GigabitEthernet2/0/3
port link-mode bridge
port access vlan 11
#
· Device C
#
sysname DeviceC
#
vlan 10 to 11
#
interface Ten-GigabitEthernet1/0/1
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10 to 11
undo stp enable
smart-link flush enable control-vlan 10 to 11
#
interface Ten-GigabitEthernet1/0/2
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10 to 11
smart-link flush enable control-vlan 10 to 11
#
· Device D
#
sysname DeviceD
#
vlan 10 to 11
#
interface Ten-GigabitEthernet1/0/1
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10 to 11
undo stp enable
smart-link flush enable control-vlan 10 to 11
#
interface Ten-GigabitEthernet1/0/2
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10 to 11
smart-link flush enable control-vlan 10 to 11
#
· H3C S6890係列以太網交換機 二層技術-以太網交換配置指導（R27xx）
· H3C S6890係列以太網交換機 二層技術-以太網交換命令參考（R27xx）
· H3C S6890係列以太網交換機 可靠性配置指導（R27xx）
· H3C S6890係列以太網交換機 可靠性命令參考（R27xx）
· H3C S6890係列以太網交換機 虛擬化技術配置指導（R27xx）
· H3C S6890係列以太網交換機 虛擬化技術命令參考（R27xx）
不同款型規格的資料略有差異, 詳細信息請向具體銷售和400谘詢。H3C保留在沒有任何通知或提示的情況下對資料內容進行修改的權利!
支持
