思科交换机C4503死机问题~
核心交换机思科C4503在使用过程中平均20天左右就会出现死机情况,其死机时出现下情况:(从2006年购入开始,配置文件无问题)1,交换机变成普通交换机况态,仅可以通讯,但是VLSM出现问题(公司由于PC机比较多,所以网段为192.168.100.0/23),192.168.101.X/23的机器无法与192.168.100.X/23的机器通讯.
2,交换机telnet无法连上,但ping正常,console连接上可以看到报错日志,但无法配置及敲入命令,仅可以看到跳动的日志信息.
3,ACL的规则正常,VLAN规则正常
4,在远程日志服务器上出现最后两条错误信息就不在发送日志信息
5,核心交换机时间不走,这是在交换机重启后发现交换机时间停在上次死机时时间上
B)如出现以上情况,须要把交换机电源完全断开后,重启启动完,核心交换机又回复正常工作
1,交换机所有工作正常,子网间正常通讯
2,telnet可正常连接,console连正可正常使用
3,交换机时间须重新设备,因为它的时间是从上次死机时开始
C)远程日志服务器上最后几条日志信息如下:
Nov 13 16:42:46 192.168.100.254 1041: .Nov 13 16:39:31: %C4K_EBM-4-HOSTFLAPPING: Host 0C:77:1A:E1:1B:F3 in vlan 20 is flapping between port Gi1/12 and port Fa2/46
Nov 13 16:45:06 192.168.100.254 1042: .Nov 13 16:41:53: %C4K_EBM-4-HOSTFLAPPING: Host 0C:77:1A:E1:1B:F3 in vlan 20 is flapping between port Gi1/12 and port Fa2/46
Nov 13 16:47:35 192.168.100.254 1043: .Nov 13 16:44:21: %SYS-2-MALLOCFAIL: Memory allocation of 784 bytes failed from 0x101ED5D4, alignment 8
Nov 13 16:47:35 192.168.100.254 1044: Pool: ProcessorFree: 40904Cause: Memory fragmentation
(排除IP冲突,从最后两条信息出现后就再也没有信息过来)
D)console日志,除ACL外错误信息如下:(比较多,大约10-20秒一次这个错误,同时不可操作仅在介面出现信息)
%SEC-6-IPACCESSLOGRL: access-list logging rate-limited or missed 821 packets
%SYS-2-MALLOCFAIL: Memory allocation of 784 bytes failed from 0x101ED5D4, alignm
ent 8
Pool: ProcessorFree: 52604Cause: Memory fragmentation
Alternate Pool: NoneFree: 0Cause: No Alternate pool
-Process= "Pool Manager", ipl= 0, pid= 6
-Traceback= 101BC7E0 10262B08 10267978 101ED5D8 101F1BF0 101F1D14 1029D4EC 10293
E88
%SYS-2-MALLOCFAIL: Memory allocation of 784 bytes failed from 0x101ED5D4, alignm
ent 8
Pool: ProcessorFree: 53244Cause: Memory fragmentation
Alternate Pool: NoneFree: 0Cause: No Alternate pool
-Process= "Pool Manager", ipl= 0, pid= 6
-Traceback= 101BC7E0 10262B08 10267978 101ED5D8 101F1BF0 101F1D14 1029D4EC 10293
E88
E)交换机软硬件信息
sw4503>sh ver
Cisco IOS Software, Catalyst 4000 L3 Switch Software (cat4000-I9S-M), Version 1)
Technical Support:(内)
Copyright (c) 1986-2006 by Cisco Systems, Inc.
Compiled Mon 16-Oct-06 18:23 by dchih
Image text-base: 0x10000000, data-base: 0x114EEE78
ROM: 12.2(20r)EW1
Dagobah Revision 225, Swamp Revision 4
sw4503 uptime is 3 hours, 54 minutes
System returned to ROM by power-on
System image file is "bootflash:"
cisco WS-C4503 (MPC8245) processor (revision 4) with 262144K bytes of memory.
Processor board ID FOX1006118P
MPC8245 CPU at 267Mhz, Supervisor II+TS
Last reset from PowerUp
7 Virtual Ethernet interfaces
48 FastEthernet interfaces
20 Gigabit Ethernet interfaces
511K bytes of non-volatile configuration memory.
Configuration register is 0x2101
有没有升级过IOS？内存不够吧
经过与厂家技术支持后,应该是内存有问题,厂家说只能换引擎板才能解决此问题.
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