Cisco Catalyst 3550 Series - Page 258

10-20
Catalyst 3550 Multilayer Switch Software Configuration Guide
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Chapter 10 Configuring Interface Characteristics
Monitoring and Maintaining the Interfaces
This example shows how to display the status of all interfaces:
Switch# show interfaces status
Port Name Status Vlan Duplex Speed Type
Gi0/1 connected routed a-full a-100 10/100/1000Base
TX
Gi0/2 wce server 20.20.2 disabled routed auto auto 10/100/1000Base TX
Gi0/3 ip wccp web-cache notconnect routed auto auto 10/100/1000Base TX
Gi0/4 notconnect routed auto auto 10/100/1000Base TX
Gi0/5 notconnect routed auto auto 10/100/1000Base TX
Gi0/6 disabled routed auto auto 10/100/1000Base TX
Gi0/7 disabled routed auto auto 10/100/1000Base TX
Gi0/8 disabled routed auto 100 10/100/1000Base TX
Gi0/9 notconnect routed auto auto 10/100/1000Base TX
Gi0/10 notconnect routed auto auto 10/100/1000Base TX
Gi0/11 disabled routed auto auto unknown
Gi0/12 notconnect routed auto auto unknown
This example shows how to display the status of switching port Fast Ethernet 0/1:
Switch# show interfaces fastethernet 0/1 switchport
Name: Fa0/1
Switchport: Enabled
Administrative Mode: static access
Operational Mode: down
Administrative Trunking Encapsulation: dot1q
Negotiation of Trunking: Off
Access Mode VLAN: 1 (default)
Trunking Native Mode VLAN: 1 (default)
Trunking VLANs Enabled: ALL
Pruning VLANs Enabled: 2-1001
Protected: false
Unknown unicast blocked: disabled
Unknown multicast blocked: disabled
Table 10-2 show Commands for Interfaces
Command Purpose
show interfaces [interface-id] Display the status and configuration of all interfaces or a specific
interface.
show interfaces [interface-id] capabilities [module
{module-number}]
Display the capabililities of an interface. If you do not specify a
module, the capabilities for all ports on the switch appear.
show interfaces interface-id status [err-disabled] Display interface status or a list of interfaces in error-disabled state.
show interfaces [interface-id] switchport Display administrative and operational status of switching
(nonrouting) ports. You can use this command to determine if a port is
in routing or switching mode.
show interfaces [interface-id] description Display the description configured on an interface or all interfaces and
the interface status.
show ip interface [interface-id] Display the usability status of all interfaces configured for IP or the
specified interface.
show running-config interface [interface-id] Display the running configuration in RAM for the interface.
show version Display the hardware configuration, software version, the names and
sources of configuration files, and the boot images.