cisco 877w

[piron]

Come si fa a cambiare i parametri della trasmissione es. 802.11G, MTU di un CISCO 877W ?
Io non ci sono riuscito !

- Cisco IOS Software, C870 Software (C870-ADVSECURITYK9-M), Version
> 12.4(4)T2, RELEASE SOFTWARE (fc1)
>
> Dot11Radio0 is up, line protocol is up
> Hardware is 802.11G Radio, address is 0016.9caa.a760 (bia
> 0016.9caa.a760) Description: $FW_INSIDE$
> Internet address is 192.168.202.1/24
> 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 never, output never, output hang never
> Last clearing of "show interface" counters never
> Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
> 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
> 0 packets input, 0 bytes, 0 no buffer
> Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
> 16 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
> 0 input packets with dribble condition detected
> 0 packets output, 0 bytes, 0 underruns
> 0 output errors, 0 collisions, 2 interface resets
> 0 babbles, 0 late collision, 0 deferred
> 0 lost carrier, 0 no carrier
> 0 output buffer failures, 0 output buffers swapped out
>
> (config-if)#mtu 1400
> % Interface Dot11Radio0 does not support user settable mtu.
> % Interface Virtual-Dot11Radio0 does not support user settable mtu.

[Wizard]

Prova ad aggiornare la IOS anche se non ti assicuro che dopo si possa fare!
Perchè devi cambiare l' mtu sulla interfaccia radio?
Non puoi cambiarla sulla ethernet?