From: Bob Grafals (bgrafals@xxxxxxxxxxx)
Date: Sun Feb 03 2002 - 02:59:43 GMT-3
The way I understand it is that a frame-relay map statement will disable
in-arp based on the DLCI and the protocol used if it is loaded first. The
ip address is not really a factor. Check Caslow's bood (page 118) for a
good description of this. I'd recommend disabling inverse-arp and just
using frame-map statements.
Bob
----- Original Message -----
From: "Bhisham Bajaj" <bhishambajaj@yahoo.com>
To: <ccielab@groupstudy.com>
Sent: Sunday, February 03, 2002 12:16 AM
Subject: Frame relay static map and IARP
> I have R1, R2, R3 in a frame relay network
> R1 & R3 are using point-to point sub interface
> R2 is using the physical inter face
> On R2 the IARP maps the two remote IP
> From R2 I can ping R1 & R2
> But I canot ping its own ip address
> I understand that there should be a static map to do
> this
> So I put in a static map command with the local ip
> address and the DLCI that is used for R1
> Know I have three map in the show frame relay map 2
> are dynamic a 1 is static
> two with DLCI 201 and 1 with DLCI 203
> All is good I can ping all the three ip address from
> R2 now
> But after I relod the IARP for the R1 DLCI doest not
> get installed
> So there is only two map in the show frame relay map
> One is dynamic ( 203 ) and the other one is the static
> one with its own ip address (201)
> Now I cannot ping the R1 router from R2
> When I remove the static map from R2 then the IARP
> installs the R1 map dynamically with (201)
>
> The observation was that if R2 install the dynamic
> IARP to R1 first and then I add the static map using
> the local ip address and the same DLCI ( 201) all
> works good
> But if I Install the static map for its own ip address
> first then the IARP does not install a dynamic map
> with the remote ip address and the same DLCI (201)
>
> In the books it is when u have a static map then the
> IARP is only disabled for the DLCI used and for only
> that IP address only
>
> But here I have a static map with the local ip address
> and want IARP to resolve the remote ip address to the
> same DLCI (201)
>
> Can some one help me on this
>
> TIA
> Bhisham
>
>
>
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