本案例適用於如 S5024PV3-EI-HPWR、S5048PV3-EI、S5120V2-52P-LI、S5120V2-28P-SI、S5130-52S-EI、S5130S-28S-EI、S5150X-16ST-EI等S5000PV3、S5120V2、S5130、S5150係列中支持IRF2款型的V7交換機,具體型號是否支持,對堆疊的物理連線、模塊是否有要求可以參考對應型號交換機操作手冊中的IRF配置指導。
由於網絡規模迅速擴大,當前中心交換機(Device A)轉發能力已經不能滿足需求,需要另外增加一台設備Device B。現需要將兩台設備配置IRF2堆疊,將網絡轉發能力提高一倍,並實現網絡易管理、易維護。Device A和Device B分別使用自帶的兩個萬兆口做堆疊口。也可以隻用一個接口堆疊,根據實際情況而定。
# Device A保留缺省編號為1,不需要進行配置。同時,在Device B上將設備的成員編號修改為2。
<DeviceB> system-view
[DeviceB] irf member 1 renumber 2
Warning: Renumbering the switch number may result in configuration change or loss. Continue? [Y/N]:y
[DeviceB]
#將兩台設備斷電後,按組網圖所示連接IRF鏈路,然後將兩台設備上電。在Device A上創建設備的IRF端口2,與物理端口Ten-GigabitEthernet1/0/25、 Ten-GigabitEthernet1/0/26綁定,並保存配置。
<DeviceA> system-view
[DeviceA] interface ten-gigabitethernet 1/0/25
[DeviceA-Ten-GigabitEthernet1/0/25] shutdown
[DeviceA-Ten-GigabitEthernet1/0/25] quit
[DeviceA] interface ten-gigabitethernet 1/0/26
[DeviceA-Ten-GigabitEthernet1/0/26] shutdown
[DeviceA-Ten-GigabitEthernet1/0/26] quit
[DeviceA] irf-port 1/2
[DeviceA-irf-port1/2] port group interface ten-gigabitethernet1/0/25
[DeviceA-irf-port1/2] port group interface ten-gigabitethernet1/0/26
[DeviceA-irf-port1/2] quit
[DeviceA] interface ten-gigabitethernet 1/0/25
[DeviceA-Ten-GigabitEthernet1/0/25] undo shutdown
[DeviceA-Ten-GigabitEthernet1/0/25] quit
[DeviceA] interface ten-gigabitethernet 1/0/26
[DeviceA-Ten-GigabitEthernet1/0/26] undo shutdown
[DeviceA-Ten-GigabitEthernet1/0/26] quit
[DeviceA] save force
# 在Device B上創建設備的IRF端口1,與物理端口Ten-GigabitEthernet2/0/25、Ten-GigabitEthernet2/0/26綁定,並保存配置。
<DeviceB> system-view
[DeviceB] interface ten-gigabitethernet 2/0/25
[DeviceB-Ten-GigabitEthernet2/0/25] shutdown
[DeviceB-Ten-GigabitEthernet2/0/25] quit
[DeviceB] interface ten-gigabitethernet 2/0/26
[DeviceB-Ten-GigabitEthernet2/0/26] shutdown
[DeviceB-Ten-GigabitEthernet2/0/26] quit
[DeviceB] irf-port 2/1
[DeviceB-irf-port2/1] port group interface ten-gigabitethernet2/0/25
[DeviceB-irf-port2/1] port group interface ten-gigabitethernet2/0/26
[DeviceB-irf-port2/1] quit
[DeviceB] interface ten-gigabitethernet 2/0/25
[DeviceB-Ten-GigabitEthernet2/0/25] undo shutdown
[DeviceB-Ten-GigabitEthernet2/0/25] quit
[DeviceB] interface ten-gigabitethernet 2/0/26
[DeviceB-Ten-GigabitEthernet2/0/26] undo shutdown
[DeviceB-Ten-GigabitEthernet2/0/26] quit
[DeviceB] save force
# 激活DeviceA的IRF端口配置。
[DeviceA] irf-port-configuration active
# 激活DeviceB的IRF端口配置。
[DeviceB] irf-port-configuration active
#兩台設備間將會進行Master競選,競選失敗的一方將自動重啟,重啟完成後,IRF形成,係統名稱統一為DeviceA
IRF設備一旦分裂,會變成兩台配置完全相同的設備,導致業務轉發有問題。為了避免此類問題出現,可以配置分裂檢測。設備一旦檢測到IRF2分裂,則自動關閉備設備的所有非保留端口。在此介紹BFD MAD分裂檢測配置方法。使用網線Device A上的端口GigabitEthernet1/0/1和Device B上的端口GigabitEthernet2/0/1連接起來。
# 創建VLAN 3,並將Device A上的端口GigabitEthernet1/0/1和Device B上的端口GigabitEthernet2/0/1加入VLAN中。
<DeviceA> system-view
[DeviceA] vlan 3
[DeviceA-vlan3] port gigabitethernet 1/0/1 gigabitethernet 2/0/1
[DeviceA-vlan3] quit
# 創建VLAN接口3,並配置MAD IP地址。
[DeviceA] interface vlan-interface 3
[DeviceA-Vlan-interface3] mad bfd enable
[DeviceA-Vlan-interface3] mad ip address 192.168.2.1 24 member 1
[DeviceA-Vlan-interface3] mad ip address 192.168.2.2 24 member 2
[DeviceA-Vlan-interface3] quit
# 按組網圖所示連接BFD MAD鏈路。
# 因為BFD MAD和生成樹功能互斥,所以在GigabitEthernet1/0/1和GigabitEthernet2/0/1上關閉生成樹協議。
[DeviceA] interface gigabitethernet 1/0/1
[DeviceA-Gigabitethernet1/0/1] undo stp enable
[DeviceA-Gigabitethernet1/0/1] quit
[DeviceA] interface gigabitethernet 2/0/1
[DeviceA-Gigabitethernet2/0/1] undo stp enable
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