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Chapter 11
Troubleshooting Switched Ethernet
Switch_A> (enable)
show port 3/20
Port Name Status Vlan Level Duplex Speed Type
----- -------- --------- ---- ------ ------ ------ -------
3/20 connected 1 normal half 10 10BaseT
Port Security Secure-Src-Addr Last-Src-Addr Shutdown Trap
---- -------- --------------- ------------- -------- --------
3/20 disabled No disabled
Port Broadcast-Limit Broadcast-Drop
-------- --------------- --------------
3/20 - 0
Port Align-Err FCS-Err Xmit-Err Rcv-Err UnderSize
----- ---------- ---------- ---------- ---------- ---------
3/20 0 0 0 0 0
Port Single-Col Multi-Coll Late-Coll Excess-Col Carri-Sen Runts Giants
----- ---------- ---------- ---------- ---------- --------- --------- ---------
3/20 3922 703 0 0 0 0 0
show log
The
show log
command does not report events the same way that a Cisco
router does. The command reports significant events, including reboots of all
modules, traps, and power supply failures. Note that the following output
reports four power supply failures in the period that may be useful information
for the administrator if users report intermittent connectivity problems.
Switch_A> (enable)
show log
Network Management Processor (ACTIVE NMP) Log:
Reset count: 4
Re-boot History: Sep 22 1998 23:06:05 0, Sep 17 1998
11:28:27 0
Sep 16 1998 18:48:02 0, Sep 14 1998
12:18:05 0
Bootrom Checksum Failures: 0
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