1-12
Catalyst 3750-X and 3560-X Switch Software Configuration Guide
OL-25303-03
Chapter 1 Troubleshooting
Recovering from Lost Cluster Member Connectivity
Step 7
Respond to the questions in the setup program.
When prompted for the hostname, recall that on a command switch, the hostname is limited to 28
characters. Do not use
-n
, where
n
is a number, as the last character in a hostname 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 8
When prompted for the
enable secret
and
enable
passwords, enter the passwords of the
failed command
switch
again.
Step 9
When prompted, make sure to enable the switch as the cluster command switch, and press
Return
.
Step 10
When prompted, assign a name to the cluster, and press
Return
.
The cluster name can be 1 to 31 alphanumeric characters, dashes, or underscores.
Step 11
When the initial configuration displays, verify that the addresses are correct.
Step 12
If the displayed information is correct, enter
Y
, and press
Return
.
If this information is not correct, enter
N
, press
Return
,
and begin again at Step 9.
Step 13
Start your browser, and enter the IP address of the new command switch.
Step 14
From the Cluster menu, select
Add to Cluster
to display a list of candidate switches to add to the cluster.
Recovering from Lost Cluster 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:
•
A member switch (Catalyst 3750-X, Catalyst 3750-E, Catalyst 3750, Catalyst 356-X, Catalyst
3560-E, Catalyst 3560, Catalyst 3550, Catalyst 3500 XL, Catalyst 2970, Catalyst 2960, CGESM,
Catalyst 2950, Catalyst 2900 XL, Catalyst 2820, and Catalyst 1900 switch) 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 3750-X, Catalyst 3750-E, Catalyst 3750, Catalyst 3560-X, Catalyst
3560-E, Catalyst 3560, Catalyst 3550, Catalyst 2970, Catalyst 2960, CGESM, Catalyst 2950,
Catalyst 3500 XL, Catalyst 2900 XL, Catalyst 2820, and Catalyst 1900 switch) connected to the
command switch through a secured port can lose connectivity if the port is disabled because of a
security violation.
Содержание Catalyst 3560-X Series
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