show ipv6 interface

Displays information about the configuration and status of the IP protocol and its services, on all interfaces.
Syntax
show ipv6 interface[ethernetunit/slot/port|loopbacknum |tunnelnum |venum |laglag-id]
Parameters
ethernetunitslotport
Displays the specified Ethernet interface by unit, slot, and port number.
loopbacknum
Displays the loopback interface number.
tunnelnum
Displays the tunnel interface number.
venum
Displays the Virtual Ethernet interface number.
laglag-id
Displays the lag number.
Modes

User EXEC mode

The show ipv6 interface command displays the following information:

Output field Description
Interface The type and the slot and port number of the interface.
IP-Address The IP address of the interface.
OK? Whether the IP address is configured on the interface.
Method Whether the IP address is saved in NVRAM. If you have set the IP address for the interface in the CLI, the Method field is "manual".
Status The link status of the interface. If the user has disabled the interface with the disable command, the entry in the 'Status' field is "administratively DOWN". Otherwise, the entry in the 'Status' field is either UP or DOWN.
Protocol Whether the interface can provide two-way communication. If the IP address is configured and the link status of the interface is up, the entry in the 'Protocol' field is UP. Otherwise, the entry in the 'Protocol' field is DOWN.
VRF Whether the VRF is configured or set to default.
RA Specific Route Count The number of configured Route Advertisement (RA) specific routes.
Preference Information for configured RA specific routes.
  • Address: IPv6 prefix address.
  • Prefix Length: The prefix length.
  • Lifetime: The configured lifetime.
  • Preference: The configured router preference. Can be high, medium, or low.
Examples

The following example displays information about all IP interfaces. 

device# show ipv6 interface

Interface     IP-Address      OK?  Method   Status   Protocol   VRF
Eth mgmt1    10.176.209.185   YES  NVRAM   up     up       default-vrf

The following example displays the show ip interface command specifically for tunnel interface 2. 

device(config)#show ipv6 interface tunnel 2
Interface Tunnel 2 is up, line protocol is up
  IPv6 is enabled, link-local address is fe80::ca01:101 [Preferred]
  Global unicast address(es):
    123:1:1::1 [Preferred],  subnet is 123:1:1::/64
  Joined group address(es):
    ff02::1:ff00:1
    ff02::1:ff01:101
    ff02::16
    ff02::d
    ff02::1:ff00:0
    ff02::2
    ff02::1
  Port belongs to VRF: default-vrf
  MTU is 9196 bytes 
  TCP adjust-mss: 1200
  ICMP redirects are disabled,  Router preference: Medium
  No Inbound Access List Set
  No Outbound Access List Set

The following example displays the IP interface VE configurations. 

device(config)#show ipv6 interface ve 100
Interface Ve 100  is up, line protocol is up
  vlan id: 100, vlan index: 2, ve type: 1
  members: ethe 2/1/21 
  active: ethe 2/1/21 
  IPv6 is enabled, link-local address is fe80::923a:72ff:fe05:13f8 [Preferred]
  Global unicast address(es):
    2:1::1 [Preferred],  subnet is 2:1::/64
  Joined group address(es):
    ff02::1:ff00:1
    ff02::1:ff05:13f8
    ff02::16
    ff02::d
    ff02::1:ff00:0
    ff02::2
    ff02::1
  Port belongs to VRF: default-vrf
  MTU is 9216 bytes 
  TCP adjust-mss: 1200
  ICMP redirects are disabled,  Router preference: Medium
  ND DAD is enabled, number of DAD attempts: 3
  ND reachable time is 30000 miliseconds
  ND retransmit interval is 1000 miliseconds
  ND advertised reachable time is 0 seconds
  ND advertised retransmit interval is 0 miliseconds              
  ND router advertisements are sent every 227 seconds             
  ND router advertisements live for 1800 seconds
  Hosts use stateless autoconfig for addresses
  ND Proxy disabled
  Local ND Proxy disabled
  No Inbound Access List Set
  No Outbound Access List Set

The following example displays the show ip interface command to verify a user-configured MAC address. The “ip-mac:” text is followed by the configured MAC address. 

device(config)#show ipv6 interface ethernet 2/1/22
Interface e 2/1/22 is up, line protocol is up
  IPv6 is enabled, link-local address is fe80::20a:ff:fe0a:a [Preferred]
  Global unicast address(es):
    1::1 [Preferred],  subnet is 1::/64
  Joined group address(es):
    ff02::1:ff00:1
    ff02::1:ff0a:a
    ff02::16
    ff02::d
    ff02::1:ff00:0
    ff02::2
    ff02::1
  Port belongs to VRF: default-vrf
  MTU is 9216 bytes 
  TCP adjust-mss: 1200
  ICMP redirects are disabled,  Router preference: Medium
  ND DAD is enabled, number of DAD attempts: 3
  ND reachable time is 30000 miliseconds
  ND retransmit interval is 1000 miliseconds
  ND advertised reachable time is 0 seconds
  ND advertised retransmit interval is 0 miliseconds
  ND router advertisements are sent every 253 seconds
  ND router advertisements live for 1800 seconds
  Hosts use stateless autoconfig for addresses                    
  ND Proxy disabled
  Local ND Proxy disabled
  No Inbound Access List Set
  No Outbound Access List Set
  ip-mac: 000a.000a.000a

The following example displays the IP interface LAG configurations. 

device(config)#show ipv6 interface lag 1          
Interface lag lg1 is up, line protocol is up
  IPv6 is enabled, link-local address is fe80::923a:72ff:fe05:13f8 [Preferred]
  Global unicast address(es):
    3:1:1::1 [Preferred],  subnet is 3:1:1::/64
  Joined group address(es):
    ff02::1:ff00:1
    ff02::1:ff05:13f8
    ff02::16
    ff02::d
    ff02::1:ff00:0
    ff02::2
    ff02::1
  Port belongs to VRF: default-vrf
  MTU is 9216 bytes 
  TCP adjust-mss: 1200
  ICMP redirects are disabled,  Router preference: Medium
  ND DAD is enabled, number of DAD attempts: 3
  ND reachable time is 30000 miliseconds
  ND retransmit interval is 1000 miliseconds
  ND advertised reachable time is 0 seconds
  ND advertised retransmit interval is 0 miliseconds
  ND router advertisements are sent every 332 seconds
  ND router advertisements live for 1800 seconds
  Hosts use stateless autoconfig for addresses                    
  ND Proxy disabled
  Local ND Proxy disabled
  No Inbound Access List Set
  No Outbound Access List Set

The following example displays the IP interface VE configurations including infomration for router advertisement (RA) route information configurations. 

device> show ipv6 interface ve 300

Interface Ve 300  is up, line protocol is up
… 
RA Specific Route Count: 5,
RA Specific Route : Address 3::2000 Prefix Length 120 Lifetime 300 Preference High
RA Specific Route : Address 3::1000 Prefix Length 120 Lifetime 300 Preference High
RA Specific Route : Address 5:503:: Prefix Length 120 Lifetime 120 Preference High
RA Specific Route : Address 5:502:: Prefix Length 120 Lifetime 120 Preference High
RA Specific Route : Address 5:501:: Prefix Length 120 Lifetime 100 Preference Low
History
Release version Command history
08.0.40 The command output was modified to display a user-configured MAC address for an IP interface.
08.0.90 The IP TCP MSS configuration was introduced to this command.
   
08.0.95C The command was modified so that information is displayed for router advertisement (RA) route information configurations.
Parent topic: Show Commands