Recovering From Lost Member Connectivity - Cisco Catalyst 2950 Software Configuration Manual

Chapter 31 Troubleshooting
Continue with configuration dialog? [yes/no]: y
or
Configuring global parameters:
If this prompt does not appear, enter enable, and press Return. Enter setup, and press Return to start
the setup program.
Step 8 Respond to the questions in the setup program.
When prompted for the host name, recall that on a command switch, the host name is limited to 28
characters. Do not use -n, where n is a number, as the last characters in a host name for any switch.
When prompted for the Telnet (virtual terminal) password, recall that it can be from 1 to 25 alphanumeric
characters, is case sensitive, allows spaces, but ignores leading spaces.
Step 9 When prompted for the enable secret and enable passwords, enter the passwords of the failed command
switch again.
Step 10 When prompted, make sure to enable the switch as the cluster command switch, and press Return.
When prompted, assign a name to the cluster, and press Return.
Step 11
The cluster name can be 1 to 31 alphanumeric characters, dashes, or underscores.
When the initial configuration displays, verify that the addresses are correct.
Step 12
If the displayed information is correct, enter Y, and press Return.
Step 13
If this information is not correct, enter N, press Return, and begin again at Step 9.
Start your browser, and enter the IP address of the new command switch.
Step 14
Step 15 From the Cluster menu, select Add to Cluster to display a list of candidate switches to add to the cluster.

Recovering from Lost Member Connectivity

Some configurations can prevent the command switch from maintaining contact with member switches.
If you are unable to maintain management contact with a member, and the member switch is forwarding
packets normally, check for these conflicts:
•
•
•
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A member switch (Catalyst 3550, 3500 XL, 2955, 2950, 2940, 2900 XL, 2820, and 1900) cannot
connect to the command switch through a port that is defined as a network port.
Catalyst 3500 XL, Catalyst 2900 XL, Catalyst 2820, and Catalyst 1900 member switches must
connect to the command switch through a port that belongs to the same management VLAN.
A member switch (Catalyst 3550, Catalyst 3500 XL, Catalyst 2950, Catalyst 2940,
Catalyst 2900 XL, Catalyst 2820, and Catalyst 1900) connected to the command switch through a
secured port can lose connectivity if the port is disabled because of a security violation.
Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide
Using Recovery Procedures
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