I read about an almost identical (if not actually identical) issue on Cisco's website. The solution they gave was to do NAT on one side of the WAN link.
""McHugh Randy"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > I have an OC3 ATM WAN link that connect two LANs, but there are two > identical subnets /30 on either side of the WAN link. Has any one ever had > that type of setup and how is that possible with two identical public IP /30 > subnets on either side of WAN connection? > > Here are the interfaces on either side of the wan > > AAAV7204#sh int fastEthernet 1/0 > FastEthernet1/0 is up, line protocol is up > Hardware is DEC21140A, address is 0003.6cce.f01c (bia 0003.6cce.f01c) > Description: FE from PM to WDGB > Internet address is 205.109.29.10/30 > MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec, > reliability 255/255, txload 1/255, rxload 2/255 > Encapsulation ARPA, loopback not set > Keepalive set (10 sec) > Full-duplex, 100Mb/s, 100BaseTX/FX > ARP type: ARPA, ARP Timeout 04:00:00 > Last input 00:00:21, output 00:00:00, output hang never > Last clearing of "show interface" counters never > Input queue: 0/75/4/0 (size/max/drops/flushes); Total output drops: 0 > Queueing strategy: fifo > Output queue :0/40 (size/max) > 5 minute input rate 814000 bits/sec, 113 packets/sec > 5 minute output rate 81000 bits/sec, 79 packets/sec > 441800484 packets input, 1055724299 bytes > Received 713 broadcasts, 0 runts, 0 giants, 2 throttles > 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored > 0 watchdog > 0 input packets with dribble condition detected > 349363988 packets output, 1452170449 bytes, 0 underruns > > AAAV7206#sh ip int fastEthernet 1/0 > FastEthernet1/0 is up, line protocol is up > Internet address is 205.109.29.9/30 > 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 enabled > IP Fast switching turbo vecto > > Thank you, > Randy Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=53974&t=53973 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
