From: Brian Dennis (bdennis@internetworkexpert.com)
Date: Wed Mar 29 2006 - 01:49:43 GMT-3
You won't have problems reaching the loopbacks due to how they appear in
the routing tables:
R2#sho ip route ospf
3.0.0.0/24 is subnetted, 1 subnets
O E2 3.3.3.0 [110/20] via 1.1.2.3, 00:00:09, Serial0/0.1 <--
4.0.0.0/32 is subnetted, 1 subnets
O IA 4.4.4.4 [110/65] via 1.1.2.4, 00:00:09, Serial0/0.2 <--
HTH,
Brian Dennis, CCIE #2210 (R&S/ISP-Dial/Security)
bdennis@internetworkexpert.com
Internetwork Expert, Inc.
http://www.InternetworkExpert.com
Toll Free: 877-224-8987
Direct: 775-745-6404 (Outside the US and Canada)
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
ZeroFlash
Sent: Tuesday, March 28, 2006 7:53 PM
To: ccielab@groupstudy.com
Subject: RE: Question for Frame-relay
Sorry this is so long, but I thought I was really interesting to see
that it
worked.
Router R2 Hub Router:
R2#sho ip route ospf
3.0.0.0/24 is subnetted, 1 subnets
O E2 3.3.3.0 [110/20] via 1.1.2.3, 00:00:09, Serial0/0.1
4.0.0.0/32 is subnetted, 1 subnets
O IA 4.4.4.4 [110/65] via 1.1.2.4, 00:00:09, Serial0/0.2
R2#ping 3.3.3.3
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 3.3.3.3, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 56/57/60 ms
R2#ping 4.4.4.4
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 4.4.4.4, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 56/58/61 ms
R2#sho ip ospf nei
Neighbor ID Pri State Dead Time Address
Interface
3.3.3.3 0 FULL/DROTHER 00:01:51 1.1.2.3
Serial0/0.1
4.4.4.4 1 FULL/ - 00:00:33 1.1.2.4
Serial0/0.2
R2#
Router R3 Spoke:
R3#sho ip route ospf
4.0.0.0/32 is subnetted, 1 subnets
O IA 4.4.4.4 [110/846] via 1.1.2.1, 00:06:45, Serial1/0
R3#ping 4.4.4.4
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 4.4.4.4, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 112/114/116
ms
R3#
R3#sho ip ospf nei
Neighbor ID Pri State Dead Time Address
Interface
2.2.2.2 1 FULL/DR 00:01:40 1.1.2.1
Serial1/0
Router R4 Spoke:
R4#sho ip route ospf
3.0.0.0/24 is subnetted, 1 subnets
O E2 3.3.3.0 [110/20] via 1.1.2.2, 00:08:02, Serial1/0
R4#ping 3.3.3.3
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 3.3.3.3, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 113/115/116
ms
R4#sho ip ospf nei
Neighbor ID Pri State Dead Time Address
Interface
2.2.2.2 1 FULL/ - 00:00:38 1.1.2.2
Serial1/0
R4#
Thanks
ZeroFlash
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
ZeroFlash
Sent: Tuesday, March 28, 2006 10:31 PM
To: ccielab@groupstudy.com
Subject: RE: Question for Frame-relay
Guys --
It's the weirdest thing. No configuration change or anything I reloaded
the
routers and it magically worked. I don't get it, why didn't it work to
start
with??
ZeroFlash
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
ZeroFlash
Sent: Tuesday, March 28, 2006 9:44 PM
To: ccielab@groupstudy.com
Subject: Question for Frame-relay
Guys -
Below is my configuration fro frame-relay and I was wondering if you can
figure out what's wrong. For some reason one spoke will ping
consistently to
the hub on both addresses but not the other spoke. The other spoke will
in
turn only get every other ping through. I don't understand what I'm
doing
wrong and wondering if you guys can help.
Router 2 hub:
interface Serial0/0
no ip address
encapsulation frame-relay
!
interface Serial0/0.1 point-to-point
ip address 1.1.2.1 255.255.255.0
frame-relay interface-dlci 203
!
interface Serial0/0.2 point-to-point
ip address 1.1.2.2 255.255.255.0
frame-relay interface-dlci 204
Router 4 Spoke:
interface Serial1/0
ip address 1.1.2.4 255.255.255.0
encapsulation frame-relay
frame-relay map ip 1.1.2.1 402 broadcast
frame-relay map ip 1.1.2.2 402 broadcast
frame-relay map ip 1.1.2.3 402 broadcast
frame-relay map ip 1.1.2.4 402
no frame-relay inverse-arp
Router 3 Spoke:
interface Serial1/0
ip address 1.1.2.3 255.255.255.0
encapsulation frame-relay
frame-relay map ip 1.1.2.1 302 broadcast
frame-relay map ip 1.1.2.2 302 broadcast
frame-relay map ip 1.1.2.3 302
frame-relay map ip 1.1.2.4 302 broadcast
no frame-relay inverse-arp
R4#ping 1.1.2.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 1.1.2.1, timeout is 2 seconds:
!.!.!
Success rate is 60 percent (3/5), round-trip min/avg/max = 56/57/60 ms
R3#ping 1.1.2.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 1.1.2.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 60/81/116 ms
R3#ping 1.1.2.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 1.1.2.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 56/92/116 ms
Debug from R2:
03:17:43: ICMP: time exceeded (time to live) sent to 1.1.2.3 (dest was
1.1.2.4)
R2#
03:17:45: ICMP: time exceeded (time to live) sent to 1.1.2.3 (dest was
1.1.2.4)
R2#
03:22:06: ICMP: echo reply sent, src 1.1.2.1, dst 1.1.2.4
03:22:06: ICMP: echo reply sent, src 1.1.2.1, dst 1.1.2.4
R2#
03:22:08: ICMP: echo reply sent, src 1.1.2.1, dst 1.1.2.4
03:22:08: ICMP: echo reply sent, src 1.1.2.1, dst 1.1.2.4
R2#
03:22:10: ICMP: echo reply sent, src 1.1.2.1, dst 1.1.2.4
R2#
03:22:13: ICMP: time exceeded rcvd from 1.1.2.3
R2#
03:22:15: ICMP: time exceeded rcvd from 1.1.2.3
R2#
03:24:14: ICMP: echo reply sent, src 1.1.2.2, dst 1.1.2.3
03:24:14: ICMP: echo reply sent, src 1.1.2.2, dst 1.1.2.3
03:24:14: ICMP: echo reply sent, src 1.1.2.2, dst 1.1.2.3
03:24:14: ICMP: echo reply sent, src 1.1.2.2, dst 1.1.2.3
03:24:14: ICMP: echo reply sent, src 1.1.2.2, dst 1.1.2.3
See I don't get it
Thanks
ZeroFlash
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