>Покажи на обоих рутерах:
>show interfaces
>show ip interface serial 0/1
>show controllers serial
Serial0/1 is up, line protocol is up
Hardware is PQUICC Serial in async mode
Internet address is 10.0.1.2/30
MTU 1500 bytes, BW 9 Kbit, DLY 100000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation SLIP, loopback not set
DTR is pulsed for 5 seconds on reset
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: weighted fair
Output queue: 0/1000/64/0 (size/max total/threshold/drops)
Conversations 0/0/16 (active/max active/max total)
Reserved Conversations 0/0 (allocated/max allocated)
Available Bandwidth 6 kilobits/sec
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, 0 interface resets
0 output buffer failures, 0 output buffers swapped out
0 carrier transitions
Serial0/1 is up, line protocol is up
Internet address is 10.0.1.2/30
Broadcast address is 255.255.255.255
Address determined by non-volatile memory
MTU is 1500 bytes
Helper address is not set
Directed broadcast forwarding is disabled
Outgoing access list is not set
Inbound access list is not set
Proxy ARP is enabled
Security level is default
Split horizon is enabled
ICMP redirects are always sent
ICMP unreachables are always sent
ICMP mask replies are never sent
IP fast switching is enabled
IP fast switching on the same interface is disabled
IP Flow switching is disabled
IP CEF switching is disabled
IP Fast switching turbo vector
IP multicast fast switching is enabled
IP multicast distributed fast switching is disabled
IP route-cache flags are Fast
Router Discovery is disabled
IP output packet accounting is disabled
IP access violation accounting is disabled
TCP/IP header compression is disabled
RTP/IP header compression is disabled
Probe proxy name replies are disabled
Policy routing is disabled
Network address translation is disabled
WCCP Redirect outbound is disabled
WCCP Redirect inbound is disabled
WCCP Redirect exclude is disabled
BGP Policy Mapping is disabled
PQUICC Serial in async mode unit 2 slot 0/1, idb at 0x823057C0, driver data structure at 0x823085FC
SCC Registers:
General [GSMR]=0x62:0x00028034, Protocol-specific [PSMR]=0x3008
Events [SCCE]=0x0100, Mask [SCCM]=0x023F, Status [SCCS]=0x03
Transmit on Demand [TODR]=0x0, Data Sync [DSR]=0x7E7E
Interrupt Registers:
Config [CICR]=0x00367F80, Pending [CIPR]=0x04000200
Mask [CIMR]=0x10200040, In-srv [CISR]=0x00000000
Command register [CR]=0x180
Port A [PADIR]=0x0400, [PAPAR]=0xFFFF
[PAODR]=0x0000, [PADAT]=0xFBFF
Port B [PBDIR]=0x0630F, [PBPAR]=0x0600E
[PBODR]=0x00000, [PBDAT]=0x3BEED
Port C [PCDIR]=0x00C, [PCPAR]=0x000
[PCSO]=0x0C0, [PCDAT]=0xCF0, [PCINT]=0x00F
DCD=up DSR=up DTR=up RTS=up CTS=up
SCC GENERAL PARAMETER RAM (at 0x68013E00)
Rx BD Base [RBASE]=0x2A30, Fn Code [RFCR]=0x18
Tx BD Base [TBASE]=0x2AB0, Fn Code [TFCR]=0x18
Max Rx Buff Len [MRBLR]=1500
Rx State [RSTATE]=0x1000, BD Ptr [RBPTR]=0x2A30
Tx State [TSTATE]=0x0, BD Ptr [TBPTR]=0x2AB0
SCC UART PARAMETER RAM (at 0x68013E00)
Maximum idle characters 5
Break Character F1
Received Parity Error 0
Received Frame Error 0
Received Noise Error 0
Number of break conditions 0
Break length 1608
uart1 0
uart2 0
Out of sequence 0
cc[0] = 8000
cc[1] = 8000
cc[2] = 8000
cc[3] = 8000
cc[4] = 8000
cc[5] = 8000
cc[6] = 8000
cc[7] = 8000
rccm = C0FF
rccr = 0
rlbc = 0
Async Mode: UART
Receive Ring
rmd(68012A30): status 9000 length 0 address 7DC7AF8
rmd(68012A38): status 9000 length 0 address 7DC81B8
rmd(68012A40): status 9000 length 0 address 7DC8878
rmd(68012A48): status B000 length 0 address 7DC8F38
Transmit Ring
tmd(68012AB0): status 0 length 0 address 0
tmd(68012AB8): status 0 length 0 address 0
tmd(68012AC0): status 0 length 0 address 0
tmd(68012AC8): status 2000 length 0 address 0
Outpak with particle 0x0
PQUICC SCC specific errors:
0 input aborts on receiving flag sequence
0 throttles, 0 enables
0 overruns
0 transmitter underruns
0 transmitter CTS losts
и для образованности: в последней команде что узнаем?