>Покажите конфигурацию интерфейса в сторону ccm и sh int. Вот:
interface GigabitEthernet0/1
ip address 10.5.10.2 255.255.240.0
ip route-cache flow
load-interval 30
duplex auto
speed auto
media-type rj45
sh int gig0/1
GigabitEthernet0/1 is up, line protocol is up
Hardware is BCM1125 Internal MAC, address is 001e.beea.e5c1 (bia 001e.beea.e5c1)
Internet address is 10.5.10.2/20
MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
Full-duplex, 100Mb/s, media type is RJ45
output flow-control is XON, input flow-control is XON
ARP type: ARPA, ARP Timeout 04:00:00
Last input 00:00:00, output 00:00:00, output hang never
Last clearing of "show interface" counters 11:50:23
Input queue: 0/75/0/822 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
30 second input rate 319000 bits/sec, 45 packets/sec
30 second output rate 39000 bits/sec, 33 packets/sec
37413332 packets input, 2028063141 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 watchdog, 67330 multicast, 0 pause input
0 input packets with dribble condition detected
30285651 packets output, 1974332633 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier, 0 pause output
0 output buffer failures, 0 output buffers swapped out
Вариант для распечатки
Маршрутизаторы CISCO и др. оборудование. (Public)
(ok) on 18-Окт-08, 22:48 
