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New Member

2950 Catalyst switch with Fiber

> Hello engineers, e.o.


> One of our customers has a strains probleem with 3 cisco 2950 catalyst

> switches. The all have a glass card option installed.


> the made a Vlan on the switches, to manage en control the switches, when

> the switches are powered on

> everthing looks fine. the can browse to it, and ping it. BUT after a few

> hours, the are all tree 'away''.

> the cannot ping, and cannot browse to the switches. only throug the console

> poort the can make a connection.

> the switch itself stay working, but the cannot be connected throug the vlan

> by browser or ping.

> when the switches are power off and on, then everything works again.


> hereby a version off the switches,


> NLHNGSW01>show version

> Cisco Internetwork Operating System Software

> IOS (tm) C2950 Software (C2950-I6Q4L2-M), Version 12.1(9)EA1, RELEASE


> fc1)

> Copyright (c) 1986-2002 by cisco Systems, Inc.

> Compiled Wed 24-Apr-02 06:57 by antonino

> Image text-base: 0x80010000, data-base: 0x804E8000


> ROM: Bootstrap program is CALHOUN boot loader


> NLHNGSW01 uptime is 7 weeks, 4 days, 16 hours, 16 minutes

> System returned to ROM by power-on

> System image file is "flash:c2950-i6q4l2-mz.121-9.EA1.bin"


> cisco WS-C2950C-24 (RC32300) processor (revision E0) with 20815K bytes of

> memory

> .

> Processor board ID FOC0624W0WL

> Last reset from system-reset

> Running Enhanced Image

> 26 FastEthernet/IEEE 802.3 interface(s)


> 32K bytes of flash-simulated non-volatile configuration memory.

> Base ethernet MAC Address: 00:09:E8:B3:BC:00

> Motherboard assembly number: 73-5750-10

> Power supply part number: 34-0965-01

> Motherboard serial number: FOC062403NS

> Power supply serial number: DAB062142LF

> Model revision number: E0

> Motherboard revision number: B0

> Model number: WS-C2950C-24

> System serial number: FOC0624W0WL

> Configuration register is 0xF



> What could be the problem here ?



> Thanks already for your response,


Best regards, Erik Hermelink

Pluz b.v. Holland

New Member

Re: 2950 Catalyst switch with Fiber

It would help if you posted your switch config.