Helper address and directed broadcast Question

From: Anthony Bonilla (anthonybonilla.ccie@gmail.com)
Date: Mon Feb 19 2007 - 17:54:56 ART


Hello GS,

First of all, I would like to apologize for asking this basic (for some on
this group) question but I have this doubt in my mind for some time now and
wanted to see if someone from this group can help me understand this
concept. If we enable HSRP on a router for users connected to one of it's
LAN interfaces (LAN interface of router R1 in the below presentation) and
then use broadcast address of another router's LAN segment (say, LAN
interface between R3 and R4) as the address for IP HELPER ADDRESS command,
where would I need to worry about enabling directed broadcast?

LAN --- R1 --- Serial --- R2 --- Serial --- R3 ---- LAN ---- R4

Also, if someone would be kind enough to let me know if I need to enable
broadcast support at all if the helper address is, let's say, R4's
LAN interface address?

I look forward to your response to this question.

TIA,

Tony.



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