Graças a uma boa meia no chat, encontrei a resposta para isso depois de já ter digitado a pergunta. A resposta dolorosamente óbvia é show interfaces
. Bom ol 'shint.
Hopless-WAP#sh int
[...]
Dot11Radio0 is up, line protocol is up
Hardware is 802.11G Radio, address is feed.face.beef (bia beef.face.feed)
MTU 1500 bytes, BW 54000 Kbit, DLY 1000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
ARP type: ARPA, ARP Timeout 04:00:00
Last input 11:49:55, output 11:47:06, output hang never
Last clearing of "show interface" counters never
Input queue: 0/1127/0/0 (size/max/drops/flushes); Total output drops: 3611
Queueing strategy: fifo
Output queue: 0/30 (size/max)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
[...]