System Loopback¶

The system loopback interface is the lo interface created by the system in every VRF. It cannot be configured, but it is advertised in the state:

vsr> show state vrf main interface system-loopback
system-loopback lo
    mtu 65536
    enabled true
    ipv4
        address 127.0.0.1/8
        ..
    ipv6
        address ::1/128
        ..
    oper-status UP
    counters
        in-octets 37993
        in-unicast-pkts 192
        in-discards 0
        in-errors 0
        out-octets 37993
        out-unicast-pkts 192
        out-discards 0
        out-errors 0
        ..
    ..