Viewing, Saving, and Erasing Configurations
229
Multilink Multilink-group interface
Null Null interface
Port-channel Ethernet Channel of interfaces
Serial Serial
Tunnel Tunnel interface
Vif PGM Multicast Host interface
Virtual-PPP Virtual PPP interface
Virtual-Template Virtual Template interface
Virtual-TokenRing Virtual TokenRing
accounting Show interface accounting
counters Show interface counters
crb Show interface routing/bridging info
dampening Show interface dampening info
description Show interface description
etherchannel Show interface etherchannel information
irb Show interface routing/bridging info
mac-accounting Show interface MAC accounting info
mpls-exp Show interface MPLS experimental accounting info
precedence Show interface precedence accounting info
pruning Show interface trunk VTP pruning information
rate-limit Show interface rate-limit info
stats Show interface packets & octets, in & out, by switching
path
status Show interface line status
summary Show interface summary
switching Show interface switching
switchport Show interface switchport information
trunk Show interface trunk information
| Output modifiers
<cr>
The only “real” physical interfaces are FastEthernet, serial, and async; the rest are all logical
interfaces or commands to verify with.
The next command is show interface fastethernet 0/0. It reveals to us the hardware
address, logical address, and encapsulation method as well as statistics on collisions, as seen here:
Router#sh int f0/0
FastEthernet0/0 is up, line protocol is up
Hardware is MV96340 Ethernet, address is 001a.2f55.c9e8 (bia 001a.2f55.c9e8)
Internet address is 192.168.1.33/27
MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
reliability 255/255, txload 1/255, rxload 1/255
47020.book Page 229 Wednesday, January 2, 2008 4:31 PM
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