Re: RE: network 0.0.0.0 in RIP

From: MANU mohan (cciemanu@rediffmail.com)
Date: Mon Mar 21 2005 - 00:23:49 GMT-3


  Hi,

     It works in RIP but in a different way and that is what I want to
know,it is somewhat similar to passive interface.
"network 0.0.0.0" will
enable the router to receive RIP updates through all its interfaces.But it
cannot advertise anything.Thanks.

Manu

On Sun, 20 Mar 2005 Joe Smith
wrote :
>The network 0.0.0.0 does not work in RIP like it does in OSPF or
EIGRP as shown from your debug. RIP uses classful network statements.
>
>>
From: "MANU mohan" <cciemanu@rediffmail.com>
>>Reply-To: "MANU mohan"
<cciemanu@rediffmail.com>
>>To: "Joe Smith" <j333smith@hotmail.com>,
ccielab@groupstudy.com
>>Subject: RE: network 0.0.0.0 in RIP
>>Date: 20 Mar
2005 12:42:59 -0000
>>
>> Hi,
>>
>> I have done the debug also which shows
R2 doesn't advertise anything,but still receives routes from R1.Here is the
output.In this case R1 is connected to R2 via Fastethernet ports.
>>-----------------------------------------------
>>Debug from R1
>>
>>
>>R1#debug ip rip
>>RIP protocol debugging is on
>>R1#
>>00:14:14: RIP:
sending v1 update to 255.255.255.255 via FastEthernet0/1 (12.0.0
>>1)
>>00:14:14: RIP: build update entries
>>00:14:14: network 1.0.0.0 metric
1
>>00:14:14: RIP: sending v1 update to 255.255.255.255 via Loopback0
(1.0.0.1)
>>00:14:14: RIP: build update entries
>>00:14:14: network
12.0.0.0 metric 1
>>00:14:41: RIP: sending v1 update to 255.255.255.255 via
FastEthernet0/1 (12.0.0
>>1)
>>00:14:41: RIP: build update entries
>>00:14:41:
network 1.0.0.0 metric 1
>>00:14:41: RIP: sending v1 update to 255.255.255.255
via Loopback0 (1.0.0.1)
>>00:14:41: RIP: build update entries
>>00:14:41:
network 12.0.0.0 metric 1
>>00:15:10: RIP: sending v1 update to
255.255.255.255 via FastEthernet0/1 (12.0.0
>>1)
>>---------------------------------------
>>
>>Debug from R2
>>
>>
>>R2#debug
ip rip
>>RIP protocol debugging is on
>>R2#
>>00:13:58: RIP: received v1
update from 12.0.0.1 on FastEthernet0/1
>>00:13:58: 1.0.0.0 in 1 hops
>>00:14:24: RIP: received v1 update from 12.0.0.1 on FastEthernet0/1
>>00:14:24: 1.0.0.0 in 1 hops
>>00:14:51: RIP: received v1 update from
12.0.0.1 on FastEthernet0/1
>>00:14:51: 1.0.0.0 in 1 hops
>>00:15:20:
RIP: received v1 update from 12.0.0.1 on FastEthernet0/1
>>00:15:20:
1.0.0.0 in 1 hops
>>00:15:47: RIP: received v1 update from 12.0.0.1 on
FastEthernet0/1
>>00:15:47: 1.0.0.0 in 1 hops
>>00:16:13: RIP: received
v1 update from 12.0.0.1 on FastEthernet0/1
>>00:16:13: 1.0.0.0 in 1 hops
>>00:16:43: RIP: received v1 update from 12.0.0.1 on FastEthernet0/1
>>00:16:43: 1.0.0.0 in 1 hops
>>00:17:11: RIP: received v1 update from
12.0.0.1 on FastEthernet0/1
>>00:17:11: 1.0.0.0 in 1 hops
>>00:17:40:
RIP: received v1 update from 12.0.0.1 on FastEthernet0/1
>>00:17:40:
1.0.0.0 in 1 hops
>>00:18:08: RIP: received v1 update from 12.0.0.1 on
FastEthernet0/1
>>00:18:08: 1.0.0.0 in 1 hops
>>00:18:38: RIP: received
v1 update from 12.0.0.1 on FastEthernet0/1
>>00:18:38: 1.0.0.0 in 1 hops
>>
>>------------------------------------------------------------------
>>
>>
>>Thanks,
>>
>>Manu
>>
>>
>>On Sat, 19 Mar 2005 Joe Smith wrote :
>> >I would
do a debug ip rip
>> >
>> >> From: "MANU mohan" <cciemanu@rediffmail.com>
>>
>>Reply-To: "MANU mohan" <cciemanu@rediffmail.com>
>> >>To:
ccielab@groupstudy.com
>> >>Subject: network 0.0.0.0 in RIP
>> >>Date: 19 Mar
2005 15:49:53 -0000
>> >>
>> >>
>> >>Hi all,
>> >> I have already noted down
this problem,but didn't get a
>> >>reply.Anyone have any idea with this.
>> >>
I have a doubt regarding the network
>> >>statement used in RIP.I configured
RIP between two routers.Suppose this is the
>> >>topoogy:
>> >>
>> >>1.0.0.0
(lo 0)----R1--s0----12.0.0.0/8---s0--R2-------2.0.0.0(lo 0)
>> >>Here is the
configuration
>> >>
>> >>R1
>> >>router rip
>> >>network 1.0.0.0
>> >>network
12.0.0.0
>> >>
>> >>R2
>> >>router rip
>> >>network 0.0.0.0
>> >>
>> >> In
this case R2 is receiving routes from R1 but
>> >>R2 will not advertise any
routes although RIP has been enabled on serial
>> >>interface.
>> >>So is this
similar to "enabling RIP on all interfaces and giving
>> >>passive-interface
default" ?
>> >>
>> >>Thanks in advance,
>> >>
>> >>Manu
>> >>
>>
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