Use this command to display information, including administrative status, IP address, MTU (Maximum Transmission Unit) size and bandwidth, and ACL configurations, for interfaces configured for IP.
| interface-name | (Optional) Displays information for a specific VLAN interface in the routing interface format of vlan.x.y. This interface must be configured for IP routing. Valid VLAN interface y values: 1 - 4094. |
| brief | (Optional) Displays a summary of either all routing interfaces or the specified interface. |
All command modes.
This example shows how to display configuration information for VLAN 2:
System(rw)->show ip interface vlan.0.2 vlan.0.2 is Operationally down, Administratively down IP forwarding enabled Frame Type ARPA MAC-Address 00.11.88.0c.9f.78 Incoming IPv4 Access list is Incoming IPv6 Access list is Outgoing IPv4 Access list is Outgoing IPv6 Access list is Directed-broadcast is disabled MTU is 1500 bytes ARP Timeout is 2800 seconds ARP Retransmit Time is 1 seconds ARP Stale-Entry-Timeout is 900 seconds Proxy ARP is enabled (no local or default-route) Gratuitous ARP updating is set to update on ARP replies and ARP requests Gratuitous ARP learning is not set ICMP Re-Directs are enabled ICMP Echo Replies are always sent ICMP Mask Replies are always sent NAT INSIDE: Not Set (S-, K-Series) NAT OUTSIDE: Not Set (S-, K-Series) TWCB Redirect Outbound WebCache: Not Set (S-, K-Series) Policy routing disabled System(rw)->
This example shows how to display the IP interface information using the brief option:
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IPv4 IPv6 Admin Oper
Interface IP Address Netmask Fwding Fwding Status Status
------------ --------------- --------------- -------- -------- ------ ------
lo.0.1 127.0.0.1 255.255.255.255 - - up up
loop.0.1 1.1.1.1 255.255.255.255 - - up up
vlan.0.1 10.21.130.151 255.255.128.0 disabled disabled up up
System(rw)->