From: Manjeet Chawla (mchawla@xxxxxxxxxx)
Date: Sun Oct 10 1999 - 22:47:07 GMT-3
Hi everyone !
I have a frame relay map/inverse arp question. As per Caslow, page 118
under "A Word of Caution...." paragaph-1; it says:
If a router is reload, inverse arp will be disabled for any DLCI that is
used with any frame relay map statements....
I have three routers (plus a router as FR Switch):
Routers Spoke-1 and Spoke-2 connect to Hub router (via FR switch).
Spoke-1 and 2 cannot ping each other as no map exists. If I am
understanding it right, If I use FR map on Spoke-1 and 2 and reload the
spokes, the inverse arp will be disabled on the spokes and under "show
FR map" I should see only the static map (and no dynamic). Well, I see
both static (to other spoke) and dynamic (to the hub).
Am I mis-interpretting the book ?
My configs and FR MAP outputs are as below:
Thanks all for your helo in advance.
Manjeet Chawla
SWITCH:
interface Serial0
no ip address
encapsulation frame-relay
no fair-queue
frame-relay intf-type dce
frame-relay route 102 interface Serial1 201
frame-relay route 103 interface Serial2 301
!
interface Serial1
no ip address
encapsulation frame-relay
frame-relay intf-type dce
frame-relay route 201 interface Serial0 102
!
interface Serial2
no ip address
encapsulation frame-relay
frame-relay intf-type dce
frame-relay route 301 interface Serial0 103
!
end
HUB:
interface Serial0
ip address 172.16.3.3 255.255.255.0
encapsulation frame-relay
no fair-queue
clockrate 2000000
Hub#sh fr map
Serial0 (up): ip 172.16.3.1 dlci 102(0x66,0x1860), dynamic,
broadcast,, status defined, active
Serial0 (up): ip 172.16.3.2 dlci 103(0x67,0x1870), dynamic,
broadcast,, status defined, active
Hub#
SPOKE-1:
interface Serial0
ip address 172.16.3.1 255.255.255.0
encapsulation frame-relay
no ip mroute-cache
no fair-queue
clockrate 2000000
frame-relay map ip 172.16.3.2 201
!
end
Sh frame map
Serial0 (up): ip 172.16.3.2 dlci 201(0xC9,0x3090), static,
<------------------------
CISCO, status defined, active
Serial0 (up): ip 172.16.3.3 dlci 201(0xC9,0x3090), dynamic,
<--------------------
broadcast,, status defined, active
SPOKE-2
interface Serial0
ip address 172.16.3.2 255.255.255.0
encapsulation frame-relay
no fair-queue
clockrate 2000000
frame-relay map ip 172.16.3.1 301
!
spoke-2#sh fr map
Serial0 (up): ip 172.16.3.1 dlci 301(0x12D,0x48D0), static,
<---------------------
CISCO, status defined, active
Serial0 (up): ip 172.16.3.3 dlci 301(0x12D,0x48D0), dynamic,
<----------------
broadcast,, status defined, active
spoke-2#
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