Cisco 805 bridging config help?

[andyh999]

Hopefully someone can shed some light on this problem.

Have two cisco 805 routers connected bt a BT kilostream line.(64k)

Both routers have been configured for bridging, and connected together for test purposes with a DTE/DCE back to back test cable, with pcs either side of each router and both pcs can ping each other.

When the routers are put into the BT circuit, they both have a carrier detect light on the front, both ethernet and serial ports and protocols on both routers are up but machines either side of the routers can not ping each other, also no connection....

Any ideas?

Cheers in advance

 

[JOAMON]

Machines cannot ping each other but can you ping router to router?

 

[andyh999]

Routers at present do not have ip addresses, but when they did, no you could not ping from router to router.

 

[JOAMON]

Would need to see configs and the output from show interface to be of any help.

 

[andyh999]

Current configuration : 522 bytes
!
version 12.2
no service pad
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname main
!
boot system flash
!
ip subnet-zero
no ip routing
!
!
!
!
interface Ethernet0
no ip address
no ip route-cache
no ip mroute-cache
bridge-group 1
!
interface Serial0
bandwidth 64
no ip address
no ip route-cache
no ip mroute-cache
bridge-group 1
!
ip classless
ip http server
ip pim bidir-enable
!
!
bridge 1 protocol ieee
!
line con 0
stopbits 1
line vty 0 4
login
!
end

main#sh int
Ethernet0 is up, line protocol is up
Hardware is PQUICC Ethernet, address is 000b.fdf1.fc41 (bia 000b.fdf1.fc41)
MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
Half-duplex, 10Mb/s
ARP type: ARPA, ARP Timeout 04:00:00
Last input never, output 00:00:00, 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 :0/40 (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
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 input packets with dribble condition detected
77060 packets output, 5189970 bytes, 0 underruns
0 output errors, 0 collisions, 1 interface resets
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier
0 output buffer failures, 0 output buffers swapped out
Serial0 is up, line protocol is up
Hardware is PowerQUICC Serial
MTU 1500 bytes, BW 64 Kbit, DLY 20000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation HDLC, loopback not set
Keepalive set (10 sec)
Last input 00:00:00, output 00:00:00, 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 0/2/128 (active/max active/max total)
Reserved Conversations 0/0 (allocated/max allocated)
Available Bandwidth 48 kilobits/sec
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
16230 packets input, 1086228 bytes, 0 no buffer
Received 14220 broadcasts, 0 runts, 0 giants, 0 throttles
4 input errors, 0 CRC, 4 frame, 0 overrun, 0 ignored, 0 abort
75060 packets output, 3303165 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 output buffer failures, 0 output buffers swapped out
0 carrier transitions
DCD=up DSR=up DTR=up RTS=up CTS=up

main#

 

[JOAMON]

I see that you have bandwidth on the serial interface but I beleive this is just an informational command and you will still need to set the clock-rate on the interface.

 

[andyh999]

Does the BT cirucit not provide the clock rate to the line?

 

[JOAMON]

Might ask and find out if they are even doing the clocking. Might be that one of you routers may need to act as the DCE device.

 

[andyh999]

Apparently bt circuit provides 64k clock

 

[andyh999]

bump