[Xorp-users] OSPF/connectivity problem
Mike Horn
mhorn at vyatta.com
Tue May 9 08:46:55 PDT 2006
Hi Irene,
It sounds like the issue is a Layer 2 / 3 connectivity issue and not
necessarily an OSPF issue (since you do not need OSPF to be able to ping
another router on the same IP subnet). Here are some questions that might
help identify the problem:
How are the two routers connected?
Do they go through an Ethernet switch?
Are VLANs configured on the switch?
Have you tried directly connecting the devices via a crossover cable?
-mike
_____
From: xorp-users-bounces at xorp.org [mailto:xorp-users-bounces at xorp.org] On
Behalf Of I.FernandezDiaz at telecom.tno.nl
Sent: Tuesday, May 09, 2006 9:08 AM
To: xorp-users at xorp.org
Subject: [Xorp-users] OSPF/connectivity problem
Dear All,
I have a setup with one XORP platform (Release 1.2 RC on FreeBSD) and one
cisco router, both running OSPF. The physical layer part seams to be ok (the
common interface is up at both sides, the line protocol is up, the speed is
the same at both sides, both full duplex). But I cannot ping one router from
the other router.
xorp---------------------------------------------------------------------cis
co
em1: 192.168.2.2 f0/0
192.168.2.3
In the cisco's routing table I see the network address which I am trying to
ping as directly connected. In the xorp router I see the network I am trying
to ping as directly connected, but no ospf routing table and no OSPF
neighbours. The cisco router sends hello messages.
this is the configuration which I am using
/*XORP Configuration File, v1.0*/
interfaces {
restore-original-config-on-shutdown: false
interface em0 {
description: "data interface"
disable: false
discard: false
vif em0 {
address 192.168.1.2 {
prefix-length: 24
disable: false
broadcast: 192.168.1.255
}
disable: false
}
}
interface em1 {
description: "data interface"
disable: false
discard: false
vif em1 {
address 192.168.2.2 {
disable: false
prefix-length: 24
broadcast: 192.168.2.255
}
disable: false
}
}
}
fea {
unicast-forwarding4 {
disable: false
}
}
protocols {
ospf4 {
area 0.0.0.0 {
area-type: "normal"
interface em0 {
link-type: "broadcast"
vif em0
}
interface em1 {
link-type: "broadcast"
vif em1 {
address 192.168.2.2 {
priority: 128
hello-interval: 10
router-dead-interval: 40
interface-cost: 1
retransmit-interval: 5
transit-delay: 1
passive: false
disable: false
}
}
}
}
ip-router-alert: false
router-id: 192.168.2.2
}
}
Can anybody tell me if I am forgetting something?
How can I see if the ospf process at the xorp side is doing something. Is
there something as debug in xorp?
Thank you,
Irene
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