From: Thameem Maranveetil Parambath (tparamba@thecontactcentre.ae)
Date: Thu Nov 06 2008 - 08:22:58 ARST
R5
- -
- -
- -
R2 R1
-
-
---------------------------
- -
- -
R6 R3
Subnet 128.1.125.0/24
R5, R2 and R1 in Frame-Relay Multipoint , R5 is the HUB, all of these are
in PPPoFR with virtual template and DLCI assigned to interface.
OSPF area 125 is running in the FR segment, also FR network type
point-to-multi is employed.
Subnet 128.1.136.0/24
R1,R6,R3 are in Broadcast multiaccess. They are in OSPF area 0.
I can ping from R2 to R1 (128.1.125.2 --> 128.1.125.1), But I cannot
ping from (128.1.125.2 to 128.1.136.1(routerR1's ethernet interface).
When I did a trace route(128.1.125.2 to 128.1.136.1(routerR1's ethernet
interface), I got this loop.
****************************************************************
R2#traceroute 128.1.136.1
Type escape sequence to abort.
Tracing the route to 128.1.136.1
1 128.1.125.5 92 msec 56 msec 40 msec
2 * * *
3 128.1.125.5 104 msec 104 msec 32 msec
4 * * *
5 128.1.125.5 152 msec 100 msec 52 msec
6 * * *
7 128.1.125.5 120 msec 132 msec 104 msec
8 * *
**********************************************************************
Can someone help to avoid this loop.
Routing table of R1,
*******************************************
128.1.0.0/16 is variably subnetted, 6 subnets, 2 masks
C 128.1.136.0/24 is directly connected, FastEthernet0/0.1
C 128.1.14.0/24 is directly connected, FastEthernet0/0.2
O 128.1.63.0/24 [110/11112] via 128.1.136.6, 00:04:33,
FastEthernet0/0.1
[110/11112] via 128.1.136.3, 00:04:33,
FastEthernet0/0.1
C 128.1.125.5/32 is directly connected, Virtual-Access1
C 128.1.125.0/24 is directly connected, Virtual-Access1
O 128.1.125.2/32 [110/2] via 128.1.125.5, 00:45:22, Virtual-Access1
150.1.0.0/24 is subnetted, 1 subnets
C 150.1.1.0 is directly connected, Loopback1
****************************************************
Routing table of R2,
**************************************************
128.1.0.0/16 is variably subnetted, 6 subnets, 2 masks
O IA 128.1.136.0/24 [110/3] via 128.1.125.5, 00:05:14, Virtual-Access2
C 128.1.27.0/24 is directly connected, FastEthernet0/0
O IA 128.1.63.0/24 [110/11114] via 128.1.125.5, 00:08:34,
Virtual-Access2
C 128.1.125.5/32 is directly connected, Virtual-Access2
C 128.1.125.0/24 is directly connected, Virtual-Access2
O 128.1.125.1/32 [110/2] via 128.1.125.5, 00:46:08, Virtual-Access2
150.1.0.0/24 is subnetted, 1 subnets
C 150.1.2.0 is directly connected, Loopback0
**********************************************************
Routing table of R5
*********************************************************
128.1.0.0/16 is variably subnetted, 8 subnets, 2 masks
O IA 128.1.136.0/24 [110/2] via 128.1.125.1, 00:05:54, Virtual-Access2
C 128.1.5.0/24 is directly connected, Ethernet0/1
C 128.1.45.0/24 is directly connected, Dialer0
C 128.1.59.0/24 is directly connected, Ethernet0/0
O IA 128.1.63.0/24 [110/11113] via 128.1.125.1, 00:09:14,
Virtual-Access2
C 128.1.125.0/24 is directly connected, Virtual-Access2
is directly connected, Virtual-Access1
C 128.1.125.1/32 is directly connected, Virtual-Access1
C 128.1.125.2/32 is directly connected, Virtual-Access2
150.1.0.0/24 is subnetted, 1 subnets
C 150.1.5.0 is directly connected, Loopback0
************************************************************
Please help me from this loop.
Thameem M Parambath
-----------------------------------------
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