Step 4: Log the Interfaces on the Router

To log the interfaces on the router, use the following JUNOS CLI operational mode command:

user@host> show interface terse | save filename

user@host> show interface terse | save test

Wrote 81 lines of output to 'test'

user@host> show interface terse

Interface       Admin Link Proto Local             Remote

at-1/3/0        up    up

at-1/3/0.0      up    up   inet  1.0.0.1           --> 1.0.0.2

iso

fxp0            up    up

fxp0.0          up    up   inet  10.168.5.59/24

gre             down  up

ipip            down  up

lo0             up    up

lo0.0           up    up   inet  127.0.0.1         --> 0/0

                           iso 
47.0005.80ff.f800.0000.0108.0001.1921.6800.5059.00

so-1/2/0        up    down

so-1/2/1        down  down

so-1/2/2        down  down

so-1/2/3        down  down

so-2/0/0        up    up

so-2/0/0.0      up    up   inet  1.2.3.4           --> 1.2.3.5

iso

[...Output truncated...]

The sample output shows summary information about the physical and logical interfaces on the router.