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Troubleshooting
How to Troubleshoot
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, Catalyst 3560, Catalyst 3550, Catalyst 3500 XL, Catalyst 2970, Catalyst 2960,
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, Catalyst 3560, Catalyst 3550, Catalyst 2970, Catalyst 2960, 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.
Executing Ping
If you attempt to ping a host in a different IP subnetwork, you must define a static route to the network or have IP routing
configured to route between those subnets.
IP routing is disabled by default on all switches. If you need to enable or configure IP routing, see
Unicast Routing, page 653
Beginning in privileged EXEC mode, use this command to ping another device on the network from the switch:
Command
ping ip host | address
Note:
Other protocol keywords are available with the ping command, but they are not supported in this release.
This example shows how to ping an IP host:
Switch# ping 172.20.52.3
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echoes to 172.20.52.3, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms
Switch#
Table 72 on page 1051
Purpose
Pings a remote host through IP or by supplying the hostname or network
address.
describes the possible ping character output.
1050
Configuring Static IP
- Quick Links:
- Configuration Overview
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