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New Member

Hosts connected to Catalyst 4006 and 2900XL lose network connection

We just installed a 4006 switch with supervisor module (WS-X4013), 6 gb modules (WS-X4306) and a Router Module (WS-X4232-L3). The network is 1200 hosts all on a single B class network and we want to configure VLAN's. The 6 2900XL switches are connected via the fiber modules.The thing is we plugged all the switches without configuration and suddenly we lose conectivity in some hosts, for example if I ping another host, the ping stops working in 10 minutes, if I ping from the same host to another the ping works AND the first ping session starts pinging again, of course this is generating a lot of trouble with the databse severs,. Because of the problem we unplugged the 4006 and we're using a 3500XL and it is working just perfect for 5 days now. Hope somebody can help me.

sh ver of the 4006 :

cat4006-L2> (enable) sh ver

WS-C4006 Software, Version NmpSW: 6.1(1)

Copyright (c) 1995-2000 by Cisco Systems, Inc.

NMP S/W compiled on Sep 30 2000, 12:25:52

GSP S/W compiled on Sep 28 2000, 18:28:28

System Bootstrap Version: 5.4(1)

Hardware Version: 3.2 Model: WS-C4006 Serial #: JAB053505EL

Mod Port Model Serial # Versions

--- ---- ---------- -------------------- ---------------------------------

1 2 WS-X4013 JAB053505EL Hw : 3.2

Gsp: 6.1(1.0)

Nmp: 6.1(1)

2 6 WS-X4306 JAE053405B3 Hw : 2.0

3 34 WS-X4232-L3 JAB053106BB Hw : 1.7

New Member

Re: Hosts connected to Catalyst 4006 and 2900XL lose network con

You may want to check out this Field alert

and upgrade your software to 6.3.3 and try again

If you continue to have issues after the upgrade, you should open a TAC case for troubleshooting.