show interfaces loopback
Displays statistics and configuration information about configured loopback interfaces.
When used with no option, this command displays a brief status of the loopback interface.
- interface-name
- The name of a loopback interface, lo or lon, where n ranges from 1 through 99999.
- brief
- Displays a brief status of a loopback interface.
- detail
- Displays detailed information and statistics about all loopback interfaces.
Operational mode
Use this command to display information about loopback interfaces.
The following example shows how to display a brief status of a loopback interface.
vyatta@R1:~$ show interfaces loopback lo2 brief
Codes: S - State, L - Link, u - Up, D - Down, A - Admin Down
Interface IP Address S/L Description
--------- ---------- --- -----------
lo2 192.2.0.1/24 u/u
The following example shows how to display detailed information about a loopback interface.
vyatta@R1:~$ show interfaces loopback lo2
lo2: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default
link/ether 62:32:92:61:c4:69 brd ff:ff:ff:ff:ff:ff
inet 192.2.0.1/24 brd 192.2.0.255 scope global lo2
valid_lft forever preferred_lft forever
inet6 fe80::6032:92ff:fe61:c469/64 scope link
valid_lft forever preferred_lft forever
RX: bytes packets errors ignored overrun mcast
0 0 0 0 0 0
TX: bytes packets errors dropped carrier collisions
0 0 0 0 0 0
The following example shows how to display detailed information about all loopback interfaces.
vyatta@R1:~$ show interfaces loopback lo
lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet 192.0.0.1/24 brd 192.0.0.255 scope global lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
RX: bytes packets errors ignored overrun mcast
1058949 6632 0 0 0 0
TX: bytes packets errors dropped carrier collisions
1058949 6632 0 0 0 0
lo2: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default
link/ether 62:32:92:61:c4:69 brd ff:ff:ff:ff:ff:ff
inet 192.2.0.1/24 brd 192.2.0.255 scope global lo2
valid_lft forever preferred_lft forever
inet6 fe80::6032:92ff:fe61:c469/64 scope link
valid_lft forever preferred_lft forever
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