鄰居老化導致業務不通，端口正常up

[To-ZongDiaoZX-SW-1]dis interface GigabitEthernet 1/0/51 GigabitEthernet1/0/51 Current state: UP Line protocol state: UP IP packet frame type: Ethernet II, hardware address: 00dd-b6da-67ce Description: GigabitEthernet1/0/51 Interface Bandwidth: 1000000 kbps Loopback is not set Media type is optical fiber, Port hardware type is 1000_BASE_LX_SFP 1000Mbps-speed mode, full-duplex mode Link speed type is autonegotiation, link duplex type is autonegotiation Flow-control is not enabled Maximum frame length: 10240 Allow jumbo frames to pass Broadcast max-ratio: 100% Multicast max-ratio: 100% Unicast max-ratio: 100% PVID: 1181 MDI type: Automdix Port link-type: Access Tagged VLANs: None Untagged VLANs: 1181 Port priority: 0 Last link flapping: 31 weeks 0 days 4 hours 17 minutes Last clearing of counters: Never Current system time:2025-05-22 17:23:35 Last time when physical state changed to up:2024-10-17 13:06:23 Last time when physical state changed to down:2024-10-17 13:06:23 Peak input rate: 228 bytes/sec, at 2024-11-19 11:02:47 Peak output rate: 281 bytes/sec, at 2024-11-19 13:02:53 Last 300 seconds input: 1 packets/sec 106 bytes/sec 0% Last 300 seconds output: 1 packets/sec 172 bytes/sec 0% Input (total): 71724676 packets, 6588609465 bytes 50183886 unicasts, 19565719 broadcasts, 1975071 multicasts, 0 pauses Input (normal): 71724676 packets, - bytes 50183886 unicasts, 19565719 broadcasts, 1975071 multicasts, 0 pauses Input: 0 input errors, 0 runts, 0 giants, 0 throttles 0 CRC, 0 frame, - overruns, 0 aborts - ignored, - parity errors Output (total): 87922680 packets, 10303146967 bytes 49565903 unicasts, 257225 broadcasts, 38099552 multicasts, 0 pauses Output (normal): 87922680 packets, - bytes 49565903 unicasts, 257225 broadcasts, 38099552 multicasts, 0 pauses Output: 0 output errors, - underruns, - buffer failures 0 aborts, 0 deferred, 0 collisions, 0 late collisions 0 lost carrier, - no carrier [To-ZongDiaoZX-SW-1]dis mac-address interface GigabitEthernet 1/0/51 MAC Address VLAN ID State Port/Nickname Aging 000f-e207-f2e0 1181 Learned GE1/0/51 Y 8061-6cba-2881 1181 Learned GE1/0/51 Y [To-ZongDiaoZX-SW-1]dis stp interface GigabitEthernet 1/0/51 ----[CIST][Port51(GigabitEthernet1/0/51)][FORWARDING]---- Port protocol : Enabled Port role : Designated Port (Boundary) Port ID : 128.51 Port cost(Legacy) : COnfig=auto, Active=20 Desg.bridge/port : 32768.00dd-b6da-678e, 128.51 Port edged : COnfig=disabled, Active=disabled Point-to-Point : COnfig=auto, Active=true Transmit limit : 10 packets/hello-time TC-Restriction : Disabled Role-Restriction : Disabled Protection type : COnfig=none, Active=none MST BPDU format : COnfig=auto, Active=802.1s Port Config- Digest-Snooping : Disabled Rapid transition : True Num of VLANs mapped : 1 Port times : Hello 2s MaxAge 20s FwdDelay 15s MsgAge 0s RemHops 20 BPDU sent : 9382160 TCN: 0, Config: 0, RST: 0, MST: 9382160 BPDU received : 12183 %May 22 15:59:43:410 2025 To-ZongDiaoZX-SW-1 SHELL/5/SHELL_LOGOUT: ddzx-admin logged out from aux0. %May 22 16:46:13:462 2025 To-ZongDiaoZX-SW-1 STP/4/STP_DISPUTE: Instance 0's port GigabitEthernet1/0/51 received an inferior BPDU from a designated port which is in forwarding or learning state. %May 22 16:46:15:447 2025 To-ZongDiaoZX-SW-1 STP/4/STP_DISPUTE: Instance 0's port GigabitEthernet1/0/51 received an inferior BPDU from a designated port which is in forwarding or learning state. %May 22 16:46:17:461 2025 To-ZongDiaoZX-SW-1 STP/4/STP_DISPUTE: Instance 0's port GigabitEthernet1/0/51 received an inferior BPDU from a designated port which is in forwarding or learning state. %May 22 16:46:19:446 2025 To-ZongDiaoZX-SW-1 STP/4/STP_DISPUTE: Instance 0's port GigabitEthernet1/0/51 received an inferior BPDU from a designated port which is in forwarding or learning state. %May 22 16:46:21:461 2025 To-ZongDiaoZX-SW-1 STP/4/STP_DISPUTE: Instance 0's port GigabitEthernet1/0/51 received an inferior BPDU from a designated port which is in forwarding or learning state. %May 22 16:46:23:447 2025 To-ZongDiaoZX-SW-1 STP/4/STP_DISPUTE: Instance 0's port GigabitEthernet1/0/51 received an inferior BPDU from a designated port which is in forwarding or learning state. %May 22 16:46:25:461 2025 To-ZongDiaoZX-SW-1 STP/4/STP_DISPUTE: Instance 0's port GigabitEthernet1/0/51 received an inferior BPDU from a designated port which is in forwarding or learning state. %May 22 16:46:27:447 2025 To-ZongDiaoZX-SW-1 STP/4/STP_DISPUTE: Instance 0's port GigabitEthernet1/0/51 received an inferior BPDU from a designated port which is in forwarding or learning state. %May 22 16:46:29:461 2025 To-ZongDiaoZX-SW-1 STP/4/STP_DISPUTE: Instance 0's port GigabitEthernet1/0/51 received an inferior BPDU from a designated port which is in forwarding or learning state. %May 22 16:46:31:447 2025 To-ZongDiaoZX-SW-1 STP/4/STP_DISPUTE: Instance 0's port GigabitEthernet1/0/51 received an inferior BPDU from a designated port which is in forwarding or learning state. %May 22 16:46:33:461 2025 To-ZongDiaoZX-SW-1 STP/4/STP_DISPUTE: Instance 0's port GigabitEthernet1/0/51 received an inferior BPDU from a designated port which is in forwarding or learning state. %May 22 16:46:34:427 2025 To-ZongDiaoZX-SW-1 LLDP/6/LLDP_CREATE_NEIGHBOR: Nearest bridge agent neighbor created on port GigabitEthernet1/0/51 (IfIndex 51), neighbor's chassis ID is 8061-6cba-2880, port ID is Ten-GigabitEthernet1/0/5. %May 22 16:46:35:447 2025 To-ZongDiaoZX-SW-1 STP/4/STP_DISPUTE: Instance 0's port GigabitEthernet1/0/51 received an inferior BPDU from a designated port which is in forwarding or learning state. %May 22 16:46:35:970 2025 To-ZongDiaoZX-SW-1 STP/4/STP_DISPUTE_RESTORATION: The block action by dispute guard was undone on Instance 0's port GigabitEthernet1/0/51. The port transited to learning state. 產生這個日誌的時候業務通了，這些截圖都是目前業務正常的截圖

在斷的時候，arp和mac地址都是沒學到的，光模塊收發也正常

檢查兩端的接口stp狀態，接口stp狀態

stp轉發都是forwarding