Subject: regading extended discovery

From: siva Reddy <[email-masked]>
Date: Thu, 20 Sep 2001 21:59:15 -0700 (PDT)

Dear all,
	i have doubt regarding esblishing session between
non-drectly connected LSRs, if we have four
lsrs(Lsr1,Lsr2,Lsr3,Lsr4) ,then from lsr1 to lsr4 i
want to send targetted hello,and try to establish
session. problem here is after receving hello at lsr4
it should check for entity availablity for that(lsr1)
lsrip and becaause entities will be formed by
interface address lsr4 gives un known enitity for
hello(extended).

lsr1---------lsr2---------lsr3---------lsr4

if i add trgettedpeer as lsr4 at lsr1 ,lsr1 should
send a hello message to lsr4.
after receiving Hello message from lsr1 it will try to
compare the received netwrok is equal to lsr4 network
(by masking with netmask) if it matches that means
entity is there other wise entity is not there, weare
using networks like this 
{lsr1,lsr2}--172.16.2.0
{lsr2,lsr3}--172.16.3.0
{lsr3,lsr4}--172.16.1.0
so in this case it is comparing 172.16.1.0 ,172.16.3.0
and is giving Un Known entity.

sorry for troubling you, but i am not geeting any
information regading this i am realy gald if i can get
some input for this.
thanks in advance
Lonka

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