From: Hunt Lee (huntl@webcentral.com.au)
Date: Mon Feb 17 2003 - 00:16:26 GMT-3
Hello Group,
On a scenario:-
R1
/ | \
R2 R3 R4
|
R5
R1, 2, 3 & 4 are on a hub & spoke topology, and all the routers has a
Ethernet interface attached individually (apart from R3).
If I want the spokes to be able to talk to each other without additional
frame-relay map ip statements, I understand that I will need to use
policy routing.
For Policy Routing, as I understand it, when packets are received on an
interface, policy routing just looks at the "route-map" and delegate the
packets accordingly (based on the "set" & match" command).
However, on the answer, I was told that the policy routing needs to be
applied
to all the spoke routers' outgoing Frame-Relay interfaces (i.e. R2, 3 & 4,
all
towards R1).
Also on R3, it says that I will also need to apply Policy Routing to its
internal interface towards R5 (so R3 now has applied Policy routing twice,
once on each interface).
Can anyone explains to me why?? And if R3 is correct, wouldn't I need to
apply Policy Routing on all the Ethernet interfaces on the other spokes (R2
& R4) as well?
Would appreciated any help on this.
Regards,
L.
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