I wonder about the encapsulation type for the interface? JB
Xy Hien Le wrote: > > I have an issue that took me almost a month and still not > figure out what's > the problem? > > I can ping out to a connected router (fastethernet or any type > of interfaces) > and can only ping the local interface. > For example, if I connect this router FastEthernet F3/0 to > another router > FastEthernet 4/0. both routers' fastethernets shown UP/UP > status but none can > ping each other. this particular router only can ping itself > and refuse to > ping any other... > Here is the configurations and pinging with "debug ip packet > detail": > > Router#sh run > Building configuration... > > Current configuration: > ! > version 12.0 > service timestamps debug uptime > service timestamps log uptime > no service password-encryption > ! > hostname Router > ! > ! > ! > ! > ! > ! > ip subnet-zero > no ip domain-lookup > ! > ! > ! > ! > ! > ! > ! > ! > interface FastEthernet0/0 > no ip address > no ip directed-broadcast > shutdown > media-type MII > half-duplex > ! > interface TokenRing1/0 > ip address 150.50.18.100 255.255.255.0 > no ip directed-broadcast > shutdown > ring-speed 16 > ! > interface TokenRing1/1 > no ip address > no ip directed-broadcast > shutdown > ring-speed 16 > ! > interface TokenRing1/2 > no ip address > no ip directed-broadcast > shutdown > ring-speed 16 > ! > interface TokenRing1/3 > no ip address > no ip directed-broadcast > shutdown > ring-speed 16 > ! > interface ATM2/0 > no ip address > no ip directed-broadcast > shutdown > no atm ilmi-keepalive > ! > interface FastEthernet3/0 > ip address 1.1.1.2 255.255.255.0 > no ip directed-broadcast > half-duplex > ! > ip classless > no ip http server > ! > ! > line con 0 > transport input none > line aux 0 > line vty 0 4 > login > ! > end > > Router#sh ip int f3/0 > FastEthernet3/0 is up, line protocol is up > Internet address is 1.1.1.2/24 > Broadcast address is 255.255.255.255 > Address determined by setup command > 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 Fast switching turbo vector > IP Null 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 exclude is disabled > BGP Policy Mapping is disabled > Router#ping 1.1.1.1 > > Type escape sequence to abort. > Sending 5, 100-byte ICMP Echos to 1.1.1.1, timeout is 2 seconds: > > 00:28:06: IP: s=1.1.1.2 (local), d=1.1.1.1 (FastEthernet3/0), > len 100, > sending > 00:28:06: ICMP type=8, code=0 > 00:28:06: IP: s=1.1.1.2 (local), d=1.1.1.1 (FastEthernet3/0), > len 100, > encapsula > tion failed > 00:28:06: ICMP type=8, code=0. > 00:28:08: IP: s=1.1.1.2 (local), d=1.1.1.1 (FastEthernet3/0), > len 100, > sending > 00:28:08: ICMP type=8, code=0 > 00:28:08: IP: s=1.1.1.2 (local), d=1.1.1.1 (FastEthernet3/0), > len 100, > encapsula > tion failed > 00:28:08: ICMP type=8, code=0. > 00:28:10: IP: s=1.1.1.2 (local), d=1.1.1.1 (FastEthernet3/0), > len 100, > sending > 00:28:10: ICMP type=8, code=0 > 00:28:10: IP: s=1.1.1.2 (local), d=1.1.1.1 (FastEthernet3/0), > len 100, > encapsula > tion failed > 00:28:10: ICMP type=8, code=0. > 00:28:12: IP: s=1.1.1.2 (local), d=1.1.1.1 (FastEthernet3/0), > len 100, > sending > 00:28:12: ICMP type=8, code=0 > 00:28:12: IP: s=1.1.1.2 (local), d=1.1.1.1 (FastEthernet3/0), > len 100, > encapsula > tion failed > 00:28:12: ICMP type=8, code=0. > 00:28:14: IP: s=1.1.1.2 (local), d=1.1.1.1 (FastEthernet3/0), > len 100, > sending > 00:28:14: ICMP type=8, code=0 > 00:28:14: IP: s=1.1.1.2 (local), d=1.1.1.1 (FastEthernet3/0), > len 100, > encapsula > tion failed > 00:28:14: ICMP type=8, code=0. > Success rate is 0 percent (0/5) > Router# > > Router#ping 1.1.1.2 > > Type escape sequence to abort. > Sending 5, 100-byte ICMP Echos to 1.1.1.2, timeout is 2 seconds: > !!!!! > Success rate is 100 percent (5/5), round-trip min/avg/max = > 1/2/4 ms > Router# > 00:28:34: IP: s=1.1.1.2 (local), d=1.1.1.2 (FastEthernet3/0), > len 100, > sending > 00:28:34: ICMP type=8, code=0 > 00:28:34: IP: s=1.1.1.2 (FastEthernet3/0), d=1.1.1.2 > (FastEthernet3/0), len > 100, > rcvd 3 > 00:28:34: ICMP type=8, code=0 > 00:28:34: IP: s=1.1.1.2 (local), d=1.1.1.2 (FastEthernet3/0), > len 100, > sending > 00:28:34: ICMP type=0, code=0 > 00:28:34: IP: s=1.1.1.2 (FastEthernet3/0), d=1.1.1.2 > (FastEthernet3/0), len > 100, > rcvd 3 > 00:28:34: ICMP type=0, code=0 > 00:28:34: IP: s=1.1.1.2 (local), d=1.1.1.2 (FastEthernet3/0), > len 100, > sending > 00:28:34: ICMP type=8, code=0 > 00:28:34: IP: s=1.1.1.2 (FastEthernet3/0), d=1.1.1.2 > (FastEthernet3/0), len > 100, > rcvd 3 > 00:28:34: ICMP type=8, code=0 > 00:28:34: IP: s=1.1.1.2 (local), d=1.1.1.2 (FastEthernet3/0), > len 100, > sending > 00:28:34: ICMP type=0, code=0 > 00:28:34: IP: s=1.1.1.2 (FastEthernet3/0), d=1.1.1.2 > (FastEthernet3/0), len > 100, > rcvd 3 > 00:28:34: ICMP type=0, code=0 > 00:28:34: IP: s=1.1.1.2 (local), d=1.1.1.2 (FastEthernet3/0), > len 100, > sending > 00:28:34: ICMP type=8, code=0 > 00:28:34: IP: s=1.1.1.2 (FastEthernet3/0), d=1.1.1.2 > (FastEthernet3/0), len > 100, > rcvd 3 > 00:28:34: ICMP type=8, code=0 > 00:28:34: IP: s=1.1.1.2 (local), d=1.1.1.2 (FastEthernet3/0), > len 100, > sending > 00:28:34: ICMP type=0, code=0 > 00:28:34: IP: s=1.1.1.2 (FastEthernet3/0), d=1.1.1.2 > (FastEthernet3/0), len > 100, > rcvd 3 > 00:28:34: ICMP type=0, code=0 > 00:28:34: IP: s=1.1.1.2 (local), d=1.1.1.2 (FastEthernet3/0), > len 100, > sending > 00:28:34: ICMP type=8, code=0 > 00:28:34: IP: s=1.1.1.2 (FastEthernet3/0), d=1.1.1.2 > (FastEthernet3/0), len > 100, > rcvd 3 > 00:28:34: ICMP type=8, code=0 > 00:28:34: IP: s=1.1.1.2 (local), d=1.1.1.2 (FastEthernet3/0), > len 100, > sending > 00:28:34: ICMP type=0, code=0 > 00:28:34: IP: s=1.1.1.2 (FastEthernet3/0), d=1.1.1.2 > (FastEthernet3/0), len > 100, > rcvd 3 > 00:28:34: ICMP type=0, code=0 > 00:28:34: IP: s=1.1.1.2 (local), d=1.1.1.2 (FastEthernet3/0), > len 100, > sending > 00:28:34: ICMP type=8, code=0 > 00:28:34: IP: s=1.1.1.2 (FastEthernet3/0), d=1.1.1.2 > (FastEthernet3/0), len > 100, > rcvd 3 > 00:28:34: ICMP type=8, code=0 > 00:28:34: IP: s=1.1.1.2 (local), d=1.1.1.2 (FastEthernet3/0), > len 100, > sending > 00:28:34: ICMP type=0, code=0 > 00:28:34: IP: s=1.1.1.2 (FastEthernet3/0), d=1.1.1.2 > (FastEthernet3/0), len > 100, > rcvd 3 > 00:28:34: ICMP type=0, code=0 > > As you can see, it can only ping itself and not the other > router! > > The configuration of the other router is exactly the same with > ip add 1.1.1.1 > 255.255.255.0 > > Thanks for everyone help to resolve this problem. > > Xy > > Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=66473&t=66472 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
