From: KS Jayakumar (KS.Jayakumar@xxxxxxxxxxxxx)
Date: Fri Aug 09 2002 - 04:24:54 GMT-3
Hi all,
On a different note, is the "distribute-list 1" required under router rip.
My understanding is that RTC will not allow any OSPF route it advertised to RTD
to come back to RTC because of split horizon, secondly even of it comes back i
t will not be in the routing table since the AD of RIP is higher than OSPF. Is
this correct or am I missing some thing here?
Regards,
Jayakumar
-----Original Message-----
From: Hunt Lee [mailto:ciscoforme3@yahoo.com.au]
Sent: Monday, August 05, 2002 9:09 PM
To: ccielab@groupstudy.com
Subject: Passive-interface problem
Hey all,
I'm trying to work out what does "passive-interface <Serial0>" do...
RTA -- RTB -- RTC -- RTD - 156.26.32.0/24 & 156.26.33.0/24
Both RTA, B & C are using OSPF.
RTC also uses RIP v2, so it's an ASBR.
And RTD uses RIPv2.
RTC's Serial 0 interface is connecting to RTB &
RTC's Serial 1 interface is connecting to RTD
RTD advertise the 2 networks 156.26.32.0/24 & 156.26.33.0/24 with
RIPv2.
RTC is doing mutual redistribution, where the RIPv2 is being
redistributed into OSPF, and OSPF is being redistributed back into
RIP.
And there is a distribute-list at RTC to stop RTD to advertise any
OSPF learned routes back into OSPF.
router rip
version 2
redistribute ospf 3 metric 5
network 10.0.0.0
distribute-list 1 in Serial1
no auto-summary
!
access-list 1 permit 156.26.32.0 0.0.1.255
But I couldn't find the use of the "passive-interface" command.
RouterC(config)#router rip
RouterC(config-router)#passive-interface serial 0
It just doesn't seems to do anything. With it or without it, my OSPF
routers (RTA & RTB) can get the RIP routes and able to reach
156.26.32.0 & 33.0 network.
Any ideas are welcome.
H.
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