From: Erick B. (erickbe@xxxxxxxxx)
Date: Mon Aug 05 2002 - 13:59:31 GMT-3
Passive interface stops the router from *sending*
broadcast/multicast routing updates. The router will
still *listen* to and accept routes unless they are
filtered out.
--- Hunt Lee <ciscoforme3@yahoo.com.au> wrote:
> 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.
>
> http://digital.yahoo.com.au - Yahoo! Digital How To
> - Get the best out of your PC!
>
This archive was generated by hypermail 2.1.4 : Sat Sep 07 2002 - 19:48:16 GMT-3