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sungf
Beginner

cat4500x和3750部份三层vlan接口不通

具体故障现象

vss 4500x  与 ws-c3750 stack 通过两条trunk链路互连,3750stack 由3750G-48ts   3750G-12TS,3750E-48ts组成,一条10G,一条1G,通过生成树协议基于vlan阻断一条链路,设备正常运行很长时间,现出现,4500x和3750上部份三层vlan接口不通,实际vlan是1111,现象是4500上arp 表老化后刷新不成功,造成4500回包异常, 经过对vlan1110到1130测试,同样IP地址,vlan  1110  1112 1115 1116 1121 1126 1129不通,vlan 1113 1114 1117 1118 1119 1120 1122 1123 1124 1125 1127 1128 1130  通。另测试在3750后有另外一台3750,在其上配置所有 vlan(1110-1130)都是通的,所有3750软件版本一样。已试过把流量从10G链路转到1G链路上,现象不变。设备没有重启测试。

 

 

软件版本

Cisco IOS Software, C3750E Software (C3750E-UNIVERSALK9-M), Version 12.2(44)SE1, RELEASE SOFTWARE (fc1)
Copyright (c) 1986-2008 by Cisco Systems, Inc.
Compiled Thu 06-Mar-08 23:37 by weiliu
Image text-base: 0x00003000, data-base: 0x02000000

 

 

Cisco IOS Software, IOS-XE Software, Catalyst 4500 L3 Switch Software (cat4500e-UNIVERSALK9-M), Version 03.11.04.E RELEASE SOFTWARE (fc2)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2021 by Cisco Systems, Inc.
Compiled Mon 08-Mar-21 15:37 by prod_rel_team

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