Cisco 2621
interface Serial0/1
bandwidth 128
ip address 3.1.1.13 255.255.255.252
no ip directed-broadcast
ip accounting output-packets
encapsulation ppp
no ip mroute-cache
no fair-queue
через пару модемов RAD соединен с Cisco 2501
interface Serial0/1
ip address 3.1.1.14 255.255.255.252
encapsulation ppp
clock rate 125000
cisco 2621
Center#sho interfaces serial 0/1
Serial0/1 is down, line protocol is down
Hardware is PowerQUICC Serial
Internet address is 213.221.1.13/30
MTU 1500 bytes, BW 128 Kbit, DLY 20000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation PPP, loopback not set
Keepalive set (10 sec)
LCP Closed
Closed: IPCP, CDPCP
Last input never, output never, output hang never
Last clearing of "show interface" counters 3w0d
Queueing strategy: fifo
Output queue 0/40, 0 drops; input queue 0/75, 0 drops
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
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
0 packets output, 0 bytes, 0 underruns
0 output errors, 0 collisions, 33 interface resets
0 output buffer failures, 0 output buffers swapped out
2 carrier transitions
DCD=down DSR=up DTR=up RTS=up CTS=down
Center#
Интерфейс не поднимается