It's very possible to misconfigure a network!!! Dave
McHugh Randy wrote: > > 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 -- David Madland CCIE# 2016 Sr. Network Engineer Qwest Communications 612-664-3367 "You don't make the poor richer by making the rich poorer." --Winston Churchill Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=53979&t=53973 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]