From: Mohamed I. Lubbad (mlubbad@xxxxxxxxxxx)
Date: Wed Mar 06 2002 - 14:38:55 GMT-3
Church;
It is not me who is having problem with the configuration, I just copied
the configs and addresses from Jeongwoo Park <Jpark@wams.com> who first
posted this thread and I applied it to my routers... It is working fine as
you can see and the routing tables so. Sorry if I confused you with the
subinterface, that's because it's not that identical to Jeongwoo's config, I
have frame-relay on the R1-R2 link.
Mohamed I. Lubbad
----- Original Message -----
From: "Church, Chuck" <cchurch@USTA.com>
To: "'Mohamed I. Lubbad'" <mlubbad@hotmail.com>; "'Tshon'"
<tshon@netzero.net>
Cc: "'Jeongwoo Park'" <Jpark@wams.com>; <ccielab@groupstudy.com>
Sent: Wednesday, March 06, 2002 17:43
Subject: RE: It is in the routing table, but Can't ping it
> Mohamed,
>
> Your routing table on R1 shows a subint s0.1 as a next hop, but your
> config shows no subinterface. If that's not the problem, have you
debugged
> ip packet or frame packet to see what's happening at the lower levels?
>
> Chuck Church
> Sr. Network Engineer
> CCIE #8776, MCNE, MCSE
> US Tennis Association
> 70 W. Red Oak Lane
> White Plains, NY 10604
> 914-696-7199
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> Mohamed I. Lubbad
> Sent: Wednesday, March 06, 2002 5:26 AM
> To: Tshon
> Cc: Jeongwoo Park; ccielab@groupstudy.com
> Subject: Re: It is in the routing table, but Can't ping it
>
>
> Sorry Guys I have pasted R3's routing table twice. Here are the tables:
>
>
> R1 running c2600-d-mz.113-8.T1.bin:
> Gateway of last resort is not set
> 172.16.0.0/16 is variably subnetted, 7 subnets, 2 masks
> R 172.16.20.0/24 [120/2] via 172.16.4.1, 00:00:01, Serial0/0.1
> R 172.16.20.1/32 [120/2] via 172.16.4.1, 00:00:01, Serial0/0.1
> C 172.16.4.0/24 is directly connected, Serial0/0.1
> R 172.16.5.0/24 [120/1] via 172.16.4.1, 00:00:01, Serial0/0.1
> C 172.16.6.0/24 is directly connected, Loopback0
> C 172.16.7.0/24 is directly connected, Loopback1
> R 172.16.1.0/24 [120/2] via 172.16.4.1, 00:00:01, Serial0/0.1
>
> R2 running c3640-jos56i-mz_120-4_T.bin:
> Gateway of last resort is not set
> 172.16.0.0/16 is variably subnetted, 8 subnets, 3 masks
> O E2 172.16.20.0/24 [110/20] via 172.16.1.2, Serial1/1
> O 172.16.20.1/32 [110/65] via 172.16.1.2, Serial1/1
> C 172.16.4.0/24 is directly connected, Serial1/0
> C 172.16.5.0/24 is directly connected, Loopback0
> R 172.16.6.0/24 [120/1] via 172.16.4.2, Serial1/0
> R 172.16.7.0/24 [120/1] via 172.16.4.2, Serial1/0
> O 172.16.1.0/24 is a summary, Null0
> C 172.16.1.0/30 is directly connected, Serial1/1
>
> R3 running c2500-ins-l.120-21.bin:
> Gateway of last resort is not set
> 172.16.0.0/16 is variably subnetted, 9 subnets, 3 masks
> O 172.16.20.0/24 is a summary, 04:18:04, Null0
> C 172.16.20.0/28 is directly connected, Loopback0
> O E2 172.16.4.0/24 [110/30] via 172.16.1.1, 00:00:05, Serial1
> C 172.16.20.16/28 is directly connected, Loopback1
> O E2 172.16.5.0/24 [110/30] via 172.16.1.1, 00:00:05, Serial1
> O E2 172.16.6.0/24 [110/30] via 172.16.1.1, 00:00:05, Serial1
> O E2 172.16.7.0/24 [110/30] via 172.16.1.1, 00:00:05, Serial1
> O E2 172.16.1.0/24 [110/30] via 172.16.1.1, 00:00:05, Serial1
> C 172.16.1.0/30 is directly connected, Serial1
>
> On R3, the line :
> O E2 172.16.4.0/24 [110/30] via 172.16.1.1, 00:19:28, Serial1
>
> Is coming from RIP redistributed into OSPf as 172.16.4.0 isn't in R2's
OSPF
> process.
>
>
> Here you are the successful pings from R3:
> R3#ping 172.16.6.1
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 172.16.6.1, timeout is 2 seconds:
> !!!!!
> Success rate is 100 percent (5/5), round-trip min/avg/max = 88/88/88 ms
> R3#ping 172.16.7.1
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 172.16.7.1, timeout is 2 seconds:
> !!!!!
> Success rate is 100 percent (5/5), round-trip min/avg/max = 88/88/88 ms
> R3#ping 172.16.5.1
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 172.16.5.1, timeout is 2 seconds:
> !!!!!
> Success rate is 100 percent (5/5), round-trip min/avg/max = 28/31/40 ms
> R3#ping 172.16.4.1
>
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 172.16.4.1, timeout is 2 seconds:
> !!!!!
> Success rate is 100 percent (5/5), round-trip min/avg/max = 28/29/32 ms
> R3#ping 172.16.1.1
>
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 172.16.1.1, timeout is 2 seconds:
> !!!!!
> Success rate is 100 percent (5/5), round-trip min/avg/max = 28/31/32 ms
> R3#
>
> Sorry Again
>
> Mohamed I. Lubbad
>
>
>
> ----- Original Message -----
> From: "Tshon" <tshon@netzero.net>
> To: "Mohamed I. Lubbad" <mlubbad@hotmail.com>
> Cc: "Jeongwoo Park" <Jpark@wams.com>; <ccielab@groupstudy.com>
> Sent: Wednesday, March 06, 2002 11:00
> Subject: Re: It is in the routing table, but Can't ping it
>
>
> > what version of ios are you using...... your router should be
confused...
> >
> > can you show a successful ping?
> >
> > issues on R2 and R3
> >
> > O E2 172.16.1.0/24 [110/30] via 172.16.1.1, 00:12:07, Serial1
> > C 172.16.1.0/30 is directly connected, Serial1
> >
> > O E2 172.16.4.0/24 [110/30] via 172.16.1.1, 00:19:28, Serial1
> >
> >
> >
> > Mohamed I. Lubbad wrote:
> >
> > >I have just copied and pasted your config on my routers and it is
working
> > >fine, here are the routing tables:
> > >
> > >R1:
> > >Gateway of last resort is not set
> > > 172.16.0.0/16 is variably subnetted, 7 subnets, 2 masks
> > >R 172.16.20.0/24 [120/2] via 172.16.4.1, 00:00:16, Serial0/0.1
> > >R 172.16.20.1/32 [120/2] via 172.16.4.1, 00:00:16, Serial0/0.1
> > >C 172.16.4.0/24 is directly connected, Serial0/0.1
> > >R 172.16.5.0/24 [120/1] via 172.16.4.1, 00:00:16, Serial0/0.1
> > >C 172.16.6.0/24 is directly connected, Loopback0
> > >C 172.16.7.0/24 is directly connected, Loopback1
> > >R 172.16.1.0/24 [120/2] via 172.16.4.1, 00:00:16, Serial0/0.1
> > >
> > >R2:
> > >Gateway of last resort is not set
> > > 172.16.0.0/16 is variably subnetted, 9 subnets, 3 masks
> > >O 172.16.20.0/24 is a summary, 00:16:02, Null0
> > >C 172.16.20.0/28 is directly connected, Loopback0
> > >O E2 172.16.4.0/24 [110/30] via 172.16.1.1, 00:19:28, Serial1
> > >C 172.16.20.16/28 is directly connected, Loopback1
> > >O E2 172.16.5.0/24 [110/30] via 172.16.1.1, 00:19:28, Serial1
> > >O E2 172.16.6.0/24 [110/30] via 172.16.1.1, 00:19:28, Serial1
> > >O E2 172.16.7.0/24 [110/30] via 172.16.1.1, 00:19:28, Serial1
> > >O E2 172.16.1.0/24 [110/30] via 172.16.1.1, 00:12:07, Serial1
> > >C 172.16.1.0/30 is directly connected, Serial1
> > >
> > >R3:
> > >Gateway of last resort is not set
> > > 172.16.0.0/16 is variably subnetted, 9 subnets, 3 masks
> > >O 172.16.20.0/24 is a summary, 00:16:34, Null0
> > >C 172.16.20.0/28 is directly connected, Loopback0
> > >O E2 172.16.4.0/24 [110/30] via 172.16.1.1, 00:20:00, Serial1
> > >C 172.16.20.16/28 is directly connected, Loopback1
> > >O E2 172.16.5.0/24 [110/30] via 172.16.1.1, 00:20:00, Serial1
> > >O E2 172.16.6.0/24 [110/30] via 172.16.1.1, 00:20:00, Serial1
> > >O E2 172.16.7.0/24 [110/30] via 172.16.1.1, 00:20:00, Serial1
> > >O E2 172.16.1.0/24 [110/30] via 172.16.1.1, 00:12:39, Serial1
> > >C 172.16.1.0/30 is directly connected, Serial1
> > >
> > >
> > >
> > > Mohamed Lubbad
> > >
> > >
> > >----- Original Message -----
> > >From: "Jeongwoo Park" <Jpark@wams.com>
> > >To: <ccielab@groupstudy.com>
> > >Sent: Wednesday, March 06, 2002 05:06
> > >Subject: It is in the routing table, but Can't ping it
> > >
> > >
> > >>Here is the layout.
> > >>R1----R2-----R3.
> > >>On R3 I have the routes 172.16.6.1 and 172.16.7.1,which are R1's
> loopback
> > >>interfaces.
> > >>But I can't ping those interfaces from R3.
> > >>
> > >>Here is config.
> > >>R1#wr t
> > >>#######
> > >>Current configuration:
> > >>!
> > >>version 10.2
> > >>service tcp-small-servers
> > >>
> > >>hostname R1
> > >>!
> > >>enable password wams
> > >>!
> > >>ip subnet-zero
> > >>!
> > >>interface Loopback0
> > >>ip address 172.16.6.1 255.255.255.0
> > >>!
> > >>interface Loopback1
> > >>ip address 172.16.7.1 255.255.255.0
> > >>!
> > >>interface Ethernet0
> > >>no ip address
> > >>shutdown
> > >>!
> > >>interface Ethernet1
> > >>no ip address
> > >>shutdown
> > >>!
> > >>interface Serial0
> > >>ip address 172.16.4.2 255.255.255.0
> > >>shutdown
> > >>!
> > >>interface Serial1
> > >>ip address 172.16.4.2 255.255.255.0
> > >>!
> > >>router rip
> > >>network 172.16.0.0
> > >>!
> > >>ip host R2 172.16.5.1
> > >>ip host R3 172.16.20.1
> > >>ip classless
> > >>!
> > >>line con 0
> > >>line aux 0
> > >>transport input all
> > >>line vty 0 4
> > >>exec-timeout 0 0
> > >>password wams
> > >>login
> > >>telnet transparent
> > >>line vty 5 15
> > >>login
> > >>!
> > >>end
> > >>
> > >>R2#wr t
> > >>Building configuration...
> > >>
> > >>Current configuration : 1081 bytes
> > >>!
> > >>version 12.1
> > >>service timestamps debug uptime
> > >>service timestamps log uptime
> > >>no service password-encryption
> > >>!
> > >>hostname R2
> > >>!
> > >>!
> > >>!
> > >>!
> > >>!
> > >>!
> > >>ip subnet-zero
> > >>ip host R3 172.16.20.1
> > >>ip host R1 172.16.6.1
> > >>!
> > >>!
> > >>!
> > >>!
> > >>interface Loopback0
> > >> ip address 172.16.5.1 255.255.255.0
> > >>!
> > >>interface Ethernet0
> > >> no ip address
> > >> shutdown
> > >>!
> > >>interface Serial0
> > >> ip address 172.16.1.1 255.255.255.252
> > >> no fair-queue
> > >> clockrate 500000
> > >>!
> > >>interface Serial1
> > >> ip address 172.16.4.1 255.255.255.0
> > >> clockrate 500000
> > >>!
> > >>interface BRI0
> > >> no ip address
> > >> shutdown
> > >> isdn x25 static-tei 0
> > >>!
> > >>router ospf 1
> > >> log-adjacency-changes
> > >> summary-address 172.16.1.0 255.255.255.0
> > >> summary-address 172.16.20.0 255.255.255.0
> > >> redistribute rip metric 30 subnets
> > >> network 172.16.1.0 0.0.0.3 area 0
> > >>!
> > >>router rip
> > >> redistribute ospf 1
> > >> passive-interface Serial0
> > >> network 172.16.0.0
> > >> default-metric 2
> > >>!
> > >>ip classless
> > >>ip http server
> > >>!
> > >>alias exec r sh ip route
> > >>!
> > >>line con 0
> > >> exec-timeout 0 0
> > >> password wams
> > >>line aux 0
> > >>line vty 0 2
> > >> exec-timeout 0 0
> > >> privilege level 15
> > >> password wams
> > >> login
> > >>line vty 3 4
> > >> privilege level 15
> > >> password wams
> > >> login
> > >>!
> > >>end
> > >>
> > >>R3#wr t
> > >>Building configuration...
> > >>
> > >>Current configuration : 915 bytes
> > >>!
> > >>version 12.2
> > >>service timestamps debug uptime
> > >>service timestamps log uptime
> > >>no service password-encryption
> > >>!
> > >>hostname R3
> > >>!
> > >>enable password wams
> > >>!
> > >>ip subnet-zero
> > >>!
> > >>!
> > >>no ip domain-lookup
> > >>ip host R2 172.16.5.1
> > >>ip host R1 172.16.6.1
> > >>!
> > >>!
> > >>!
> > >>!
> > >>interface Loopback0
> > >> ip address 172.16.20.1 255.255.255.240
> > >>!
> > >>interface Loopback1
> > >> ip address 172.16.20.17 255.255.255.240
> > >>!
> > >>interface Ethernet0/0
> > >> no ip address
> > >> shutdown
> > >> half-duplex
> > >>!
> > >>interface Serial0/0
> > >> ip address 172.16.1.2 255.255.255.252
> > >>!
> > >>interface Ethernet0/1
> > >> no ip address
> > >> shutdown
> > >> half-duplex
> > >>!
> > >>router ospf 1
> > >> log-adjacency-changes
> > >> summary-address 172.16.20.0 255.255.255.0
> > >> redistribute connected subnets
> > >> network 172.16.1.0 0.0.0.3 area 0
> > >> network 172.16.20.0 0.0.0.15 area 0
> > >>!
> > >>ip classless
> > >>ip http server
> > >>!
> > >>alias exec r sh ip route
> > >>!
> > >>line con 0
> > >>line aux 0
> > >> transport input all
> > >>line vty 0 4
> > >> exec-timeout 0 0
> > >> password wams
> > >> login
> > >>line vty 5 15
> > >> login
> > >>!
> > >>end
> > >>
> > >>R3's routing table
> > >>R3#sh ip rou
> > >>Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B -
BGP
> > >> D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
> > >> N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
> > >> E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
> > >> i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS
> inter
> > >>area
> > >> * - candidate default, U - per-user static route, o - ODR
> > >> P - periodic downloaded static route
> > >>
> > >>Gateway of last resort is not set
> > >>
> > >> 172.16.0.0/16 is variably subnetted, 8 subnets, 3 masks
> > >>O 172.16.20.0/24 is a summary, 00:35:06, Null0
> > >>C 172.16.20.0/28 is directly connected, Loopback0
> > >>O E2 172.16.4.0/24 [110/30] via 172.16.1.1, 00:29:00, Serial0/0
> > >>C 172.16.20.16/28 is directly connected, Loopback1
> > >>O E2 172.16.5.0/24 [110/30] via 172.16.1.1, 00:29:00, Serial0/0
> > >>O E2 172.16.6.0/24 [110/30] via 172.16.1.1, 00:29:00, Serial0/0
> > >>O E2 172.16.7.0/24 [110/30] via 172.16.1.1, 00:29:00, Serial0/0
> > >>C 172.16.1.0/30 is directly connected, Serial0/0
> > >>R3#
> > >>R3#ping 172.16.6.1
> > >>
> > >>Type escape sequence to abort.
> > >>Sending 5, 100-byte ICMP Echos to 172.16.6.1, timeout is 2 seconds:
> > >>.....
> > >>Success rate is 0 percent (0/5)
> > >>R3#
> > >>
> > >>Thanks in adv.
> > >>
> > >>JP
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