From: Charles Huang (CharlesNY2000@xxxxxxxxx)
Date: Thu Dec 20 2001 - 14:40:37 GMT-3
yup, Ben is right. the static route to R2 will be valid as long as R1's ethern
et's lineprotocol is
up.
when R2's arp address timed out you will get encapsulation fail error message w
hen you do a debug ip
packet on R1.
just me 2 cents
----- Original Message -----
From: "R. Benjamin Kessler" <ben@kesslerconsulting.com>
To: "vr4drvr ." <adrian36@hotmail.com>; <ccielab@groupstudy.com>
Sent: Thursday, December 20, 2001 11:58 AM
Subject: RE: Simple static route Q
> I haven't spun this up in the lab but I would think that if R1 was
> configured with "no ip route-cache" and was doing per-packet load-balancing
> you'd send every-other packet to R2. This would happen regardless of R2's
> up/down status. R1's interface associated with the static route is still up
> so the static route is still valid.
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> vr4drvr .
> Sent: Thursday, December 20, 2001 10:37 AM
> To: ccielab@groupstudy.com
> Subject: OT: Simple static route Q
>
>
> Here's a static routing question that I need answered. I do have theories,
> but I need a proof positive answer. Simple scenario.
>
>
> R2---10.1.1.0/24
> R1----|
> R3---10.1.1.0/24
>
> 3 routers are connected to an ethernet segment. R1 has 2 static routes to
> the 10.1.1.0/24 network pointing to the IP address of the next hop ethernets
> on R2 and R3, thereby providing load balancing and fault tolerance. My
> question is... if an ethernet interface on R2 was to go down, how does that
> affect the routing from R1 to the 10.1.1.0 network? For instance, will R1
> drop half the traffic? How does the ARP cache on R1 impact routing, or
> rather, how is routing impacted by the ARP cache? Will the static route
> through R2 get dropped so to speak?
>
> TIA.
>
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