From: Amit Jain (netsteps@rediffmail.com)
Date: Sat Jul 09 2005 - 04:08:21 GMT-3
Sorry for missing a part in last mail, solution given in WB is to configure
point-to-multipoint non-broadcast and not point-to-multipoint as stated
below.
My ques still holds
Amit
----- Original Message -----
From: Amit Jain
To: Group Study
Sent: Saturday, July 09, 2005 12:33 PM
Subject: IE Lab15 Task 5.21
Hi
In the task, R3 and R5 are connected through frame relay and R4 and R5 through
ISDN
R3
-
-
- FR -
-
R4 - -ISDN - - R5
Now the ospf area 345 is running on FR and ISDN links and network type
non-broadcast between R3 and R5, with neighbor command on R3.
Task requirement is to configure all adjacencies in area 345 in such a manner
that other devices on segment cannot recieve OSPF hello packets.
The solution given is that the network type on ISDN and FR segment be changed
to point-to-multipoint (with ofcourse neighbor statements)
My ques is why we need to change it to point-to-multpoint from non-broadcast
on FR segment ? When the netwrk type is non-broadcast we are sending packets
as unicast only, so why specifically change to p-to-multipoint ?? (Only
difference will be no DR/BDR elec and host route)
Also the ISDN segment is network type point-to-point so anyways the hello
packets will only go to the other side ?? What am i missing.
Could not get the answer from IE website posts.
Thanks
Amit Jain
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