Hi Winston, When you did your frame-relay mapping for bridge frames - did you also include the "broadcast" keyword ? This will be required for ARP to work.
Cheers, Adam On Tue, Oct 12, 2010 at 11:32 AM, Winston Lee <[email protected]>wrote: > Hello All, > > I'm performing task 7.4 (trying to use bridge-groups so that BB1 can talk > to BB3 across frame-relay), and I'm running into issues not documented in > the solution guide. Specifically, I cannot ping from BB1 to BB3 - or vice > versa. After doing a 'debug ip packet' on BB3, I noticed that encapsulation > was failing and that the arp entry for 100.100.100.100 was incomplete. After > adding in the arp entry manually on both BB1 and BB3, ping functions > correctly. Is there something I'm missing here, or is this expected > behavior? I believe this is supposed to work without manually adding in arp > entries. > > -------------------------- > > BB3#debug ip packet > IP packet debugging is on > BB3#p 100.100.100.100 r 1 > > Type escape sequence to abort. > Sending 1, 100-byte ICMP Echos to 100.100.100.100, timeout is 2 seconds: > > *Apr 10 11:12:22.563: IP: tableid=0, s=100.100.100.250 (local), > d=100.100.100.100 (FastEthernet0/0), routed via RIB > *Apr 10 11:12:22.563: IP: s=100.100.100.250 (local), d=100.100.100.100 > (FastEthernet0/0), len 100, sending > *Apr 10 11:12:22.567: IP: s=100.100.100.250 (local), d=100.100.100.100 > (FastEthernet0/0), len 100, encapsulation failed. > Success rate is 0 percent (0/1) > BB3#show arp > Protocol Address Age (min) Hardware Addr Type Interface > Internet 100.100.100.100 0 Incomplete ARPA > Internet 100.100.100.250 - 0004.c18e.2e00 ARPA > FastEthernet0/0 > > BB1(config)#arp 100.100.100.250 0004.c18e.2e00 ARPA > > BB3(config)#arp 100.100.100.100 0006.2893.a041 ARPA > > BB3#p 100.100.100.100 r 1 > > Type escape sequence to abort. > Sending 1, 100-byte ICMP Echos to 100.100.100.100, timeout is 2 seconds: > ! > Success rate is 100 percent (1/1), round-trip min/avg/max = 80/80/80 ms > BB3# > *Apr 10 11:16:31.747: IP: tableid=0, s=100.100.100.250 (local), > d=100.100.100.100 (FastEthernet0/0), routed via FIB > *Apr 10 11:16:31.747: IP: s=100.100.100.250 (local), d=100.100.100.100 > (FastEthernet0/0), len 100, sending > *Apr 10 11:16:31.823: IP: tableid=0, s=100.100.100.100 (FastEthernet0/0), > d=100.100.100.250 (FastEthernet0/0), routed via RIB > *Apr 10 11:16:31.827: IP: s=100.100.100.100 (FastEthernet0/0), > d=100.100.100.250 (FastEthernet0/0), len 100, rcvd 3 > > > > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com > >
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