问

光纤线路总是DOWN

二层环路检测

2018-04-08提问

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zhiliao_oOg4M

zhiliao_oOg4M 零段

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问题描述：

%Dec 29 06:20:19:410 2013 NJXB-S5560-1 IFNET/3/PHY_UPDOWN: GigabitEthernet1/0/5 link status is down.
%Dec 29 06:20:19:414 2013 NJXB-S5560-1 IFNET/5/LINK_UPDOWN: Line protocol on the interface GigabitEthernet1/0/5 is down.
%Dec 29 06:20:19:736 2013 NJXB-S5560-1 IFNET/3/PHY_UPDOWN: GigabitEthernet1/0/5 link status is up.
%Dec 29 06:20:19:736 2013 NJXB-S5560-1 IFNET/5/LINK_UPDOWN: Line protocol on the interface GigabitEthernet1/0/5 is up.
%Dec 29 06:20:19:743 2013 NJXB-S5560-1 STP/6/STP_DETECTED_TC: Instance 0's port GigabitEthernet1/0/5 detected a topology change.
%Dec 29 06:20:22:341 2013 NJXB-S5560-1 LLDP/6/LLDP_CREATE_NEIGHBOR: Nearest bridge agent new neighbor created on Port GigabitEthernet1/0/5 (IfIndex 5), Chassis ID is 3891-d5b5-94e0, Port ID is GigabitEthernet1/0/28.

%Dec 29 06:25:32:761 2013 NJXB-S5560-1 IFNET/3/PHY_UPDOWN: GigabitEthernet1/0/5 link status is down.
%Dec 29 06:25:32:761 2013 NJXB-S5560-1 IFNET/5/LINK_UPDOWN: Line protocol on the interface GigabitEthernet1/0/5 is down.
%Dec 29 06:25:33:311 2013 NJXB-S5560-1 IFNET/3/PHY_UPDOWN: GigabitEthernet1/0/5 link status is up.
%Dec 29 06:25:33:311 2013 NJXB-S5560-1 IFNET/5/LINK_UPDOWN: Line protocol on the interface GigabitEthernet1/0/5 is up.
%Dec 29 06:25:33:376 2013 NJXB-S5560-1 LLDP/6/LLDP_CREATE_NEIGHBOR: Nearest bridge agent new neighbor created on Port GigabitEthernet1/0/5 (IfIndex 5), Chassis ID is 3891-d5b5-94e0, Port ID is GigabitEthernet1/0/28.

%Dec 29 06:25:33:415 2013 NJXB-S5560-1 STP/6/STP_DETECTED_TC: Instance 0's port GigabitEthernet1/0/5 detected a topology change.
%Dec 29 06:25:34:246 2013 NJXB-S5560-1 STP/6/STP_NOTIFIED_TC: Instance 0's port GigabitEthernet1/0/5 was notified a topology change.
%Dec 29 06:26:04:080 2013 NJXB-S5560-1 IFNET/3/PHY_UPDOWN: GigabitEthernet1/0/5 link status is down.
%Dec 29 06:26:04:084 2013 NJXB-S5560-1 IFNET/5/LINK_UPDOWN: Line protocol on the interface GigabitEthernet1/0/5 is down.
%Dec 29 06:26:04:426 2013 NJXB-S5560-1 IFNET/3/PHY_UPDOWN: GigabitEthernet1/0/5 link status is up.
%Dec 29 06:26:04:426 2013 NJXB-S5560-1 IFNET/5/LINK_UPDOWN: Line protocol on the interface GigabitEthernet1/0/5 is up.
%Dec 29 06:26:04:483 2013 NJXB-S5560-1 STP/6/STP_DETECTED_TC: Instance 0's port GigabitEthernet1/0/5 detected a topology change.
%Dec 29 06:26:08:297 2013 NJXB-S5560-1 LLDP/6/LLDP_CREATE_NEIGHBOR: Nearest bridge agent new neighbor created on Port GigabitEthernet1/0/5 (IfIndex 5), Chassis ID is 3891-d5b5-94e0, Port ID is GigabitEthernet1/0/28.

%Dec 29 06:29:17:594 2013 NJXB-S5560-1 IFNET/3/PHY_UPDOWN: GigabitEthernet1/0/5 link status is down.
%Dec 29 06:29:17:594 2013 NJXB-S5560-1 IFNET/5/LINK_UPDOWN: Line protocol on the interface GigabitEthernet1/0/5 is down.
%Dec 29 06:29:17:968 2013 NJXB-S5560-1 IFNET/3/PHY_UPDOWN: GigabitEthernet1/0/5 link status is up.
%Dec 29 06:29:17:968 2013 NJXB-S5560-1 IFNET/5/LINK_UPDOWN: Line protocol on the interface GigabitEthernet1/0/5 is up.
%Dec 29 06:29:17:975 2013 NJXB-S5560-1 STP/6/STP_DETECTED_TC: Instance 0's port GigabitEthernet1/0/5 detected a topology change.
%Dec 29 06:29:36:272 2013 NJXB-S5560-1 IFNET/3/PHY_UPDOWN: GigabitEthernet1/0/5 link status is down.
%Dec 29 06:29:36:276 2013 NJXB-S5560-1 IFNET/5/LINK_UPDOWN: Line protocol on the interface GigabitEthernet1/0/5 is down.
%Dec 29 06:29:36:838 2013 NJXB-S5560-1 STP/6/STP_DETECTED_TC: Instance 0's port GigabitEthernet1/0/5 detected a topology change.
%Dec 29 06:29:36:831 2013 NJXB-S5560-1 IFNET/3/PHY_UPDOWN: GigabitEthernet1/0/5 link status is up.
%Dec 29 06:29:36:848 2013 NJXB-S5560-1 IFNET/5/LINK_UPDOWN: Line protocol on the interface GigabitEthernet1/0/5 is up.
%Dec 29 06:29:38:485 2013 NJXB-S5560-1 LLDP/6/LLDP_CREATE_NEIGHBOR: Nearest bridge agent new neighbor created on Port GigabitEthernet1/0/5 (IfIndex 5), Chassis ID is 3891-d5b5-94e0, Port ID is GigabitEthernet1/0/28.

最佳答案

zhiliao_bUeLN

zhiliao_bUeLN 四段

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物理端口一直UPdown 可确认两端光纤模块的收发功率是否正常强制两端双工速率建议用华三自己的模块

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zhiliao_oOg4M

zhiliao_oOg4M 知了小白

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<NJXB-S5560-1>disp interface g1/0/5
GigabitEthernet1/0/5
Current state: UP
Line protocol state: UP
IP packet frame type: Ethernet II, hardware address: 3891-d5fb-1c39
Description: to GM02-国贸二楼
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: 10000
Allow jumbo frames to pass
Broadcast max-ratio: 100%
Multicast max-ratio: 100%
Unicast max-ratio: 100%
PVID: 1
MDI type: automdix
Port link-type: Trunk
VLAN Passing:   1(default vlan), 2-4094
VLAN permitted: 1(default vlan), 2-4094
Trunk port encapsulation: IEEE 802.1q
Port priority: 0
Last link flapping: 0 hours 1 minutes 28 seconds
Last clearing of counters: Never
Peak input rate: 2734158 bytes/sec, at 2013-09-23 04:59:41
Peak output rate: 17484216 bytes/sec, at 2013-11-11 00:14:29
Last 300 second input: 27 packets/sec 5188 bytes/sec 0%
Last 300 second output: 331 packets/sec 90789 bytes/sec 0%
Input (total): 1355571374 packets, 347912383268 bytes
         1340068899 unicasts, 13373934 broadcasts, 1475076 multicasts, 0 pauses
Input (normal): 1354917909 packets, - bytes
         1340068899 unicasts, 13373934 broadcasts, 1475076 multicasts, 0 pauses
Input: 521005 input errors, 0 runts, 0 giants, 0 throttles
         521005 CRC, 0 frame, - overruns, 0 aborts
         - ignored, - parity errors
Output (total): 18954716876 packets, 6364313950257 bytes
         2115830925 unicasts, 1519394391 broadcasts, 15319491560 multicasts, 0 pauses
Output (normal): 18954716876 packets, - bytes
         2115830925 unicasts, 1519394391 broadcasts, 15319491560 multicasts, 0 pauses
Output: 0 output errors, - underruns, - buffer failures
         0 aborts, 0 deferred, 0 collisions, 0 late collisions
         0 lost carrier, - no carrier