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Community Member

3200 and 2950g switches problem.

We have a problem with configuration in the network of a customer. The problem is in a link between a 3200 Cisco Catalyst Switch and a 2950G Cisco Catalyst Switch. The link is a copper cable and both ports are in fixed configuration 100MHZ Full Duplex.

When we connect this switches , the port in the 2950G is in the forwarding state but the port in the 3200 go to the listening state and after go to the learning state. The port in the 3200 switch only is in these states (learning and listening) but never goes to the forwarding or blocking states.

First we think that it was a spanning tree problem but when we have changed the 2950G switch by a 2950XL or 1950XL switch the network works right and all ports is forwarding.

We upgraded the 2950G catalyst software and all is the same.

We have checked the ports configuration and the port fast option is not enable in the ports.

There are no other problems in the network and spanning tree is working right.

Do you know this problem and then what is the solution?

This is the configuration for the 3200 switch:

Catalyst 3200 CHJ1

Cisco Catalyst Manager

(c) Copyright Cisco Systems, Inc., 1995-1996 - All rights reserved.

MAC Address: 00 80 24 67 A8 90

Switch Information

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Number of Boxes 1 Stack State Not Operational

Local Box Number 1 Stack Connection Not Present

Remote Box Number(s) None

Stack Time-out (sec.) 16

System Description Cisco Catalyst System

System ID 1.3.6.1.4.1.9.5.15

System Name Catalyst 3200

System Location

System Contact

Time of Day... Tue. October 21, 2003 09:54:43

MAC Address 008024 67A890

Boot Description Boot Firmware (Phase II) v2.0

Interface Description Cisco Catalyst 3200 HW Rev 2

SW 2.2(8) (Feb 15 1999 12:13:07)

DRAM Installed 8 MB

FLASH Memory Installed 1024 KB

Enhanced Features Enabled

Port Duplex Control Hardware Ctrl

Port Configuration

Port Type Link MDI/MDIX Speed Mode Duplex Enabled/Disabled

1 ISL FX up 100 A-CT Full Enabled

3 ISL FX up 100 A-CT Full Enabled

5 ISL FX up 100 A-CT Full Enabled

7 ISL FX up 100 A-CT Full Enabled

9 ISL FX up 100 A-CT Full Enabled

11 ISL FX up 100 A-CT Full Enabled

13 ISL FX up 100 A-CT Full Enabled

15 ISL FX up 100 A-CT Full Enabled

17 10BaseT down MDIX 10 A-CT Half Enabled

18 10BaseT up MDIX 10 A-CT Half Enabled

19 10BaseT up MDIX 10 A-CT Half Enabled

20 10BaseT up MDIX 10 A-CT Half Enabled

21 ISL TX up MDIX 100 A-CT Full Enabled

23 ISL TX up MDIX 100 A-CT Full Enabled

25 ISL TX down MDIX 100 A-CT Full Enabled

27 ISL TX up MDIX 100 A-CT Full Enabled

Port Switching Mode

Port Switching Mode Error Water Mark Runt-free Mode

1 Auto 50% off

3 Auto 50% off

5 Auto 50% off

7 Auto 50% off

9 Auto 50% off

11 Auto 50% off

13 Auto 50% off

15 Auto 50% off

17 Auto 50% off

18 Auto 50% off

19 Auto 50% off

20 Auto 50% off

21 Auto 50% off

2 REPLIES
Community Member

Re: 3200 and 2950g switches problem.

I remember seeing this previous month also. Any update on this? Kindly post in the forum so that will be useful for other also

Community Member

Re: 3200 and 2950g switches problem.

Yes, this post is mine too. But I have not receibed any solution for my problem. I am waiting for a solution for my cuestion.

Thanks.

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