From: Donny MATEO (donny.mateo@sg.ca-indosuez.com)
Date: Mon Dec 09 2002 - 00:21:59 GMT-3
Take a closer look at your sh frame map output.
You're trying to map a non existing DLCI. I suppose it should be DLCI 111 as oppose to 121 ?
Donny
Hunt Lee
<ciscoforme3@yaho To: ccielab@groupstudy.com
o.com.au> cc:
Sent by: Subject: Frame-Relay rule
nobody@groupstudy
.com
07-12-2002 20:24
Please respond to
Hunt Lee
Sorry if someone has covered this before. I just want to know that in a hub & spoke
environment, is there a rule stating that Inverse ARP & Frame-relay map ip
statements can't be used together??
RTA
/ | \
RTB RTC RTD
On RTA, the interfaces are P2M to RTB & RTC, and P2P to RTD.
And on RTD, it is a normal Serial interface, whereas on RTC, it is a multipoint
sub-interface.
All are running EIGRP.
Here is RTB's config:-
interface Serial0
ip address 172.16.1.3 255.255.255.0
encapsulation frame-relay
no ip mroute-cache
frame-relay map ip 172.16.1.5 121 broadcast <- to RTC
frame-relay map ip 172.16.16.6 121 broadcast <- to RTD
And I realized that Inverse ARP had automatically put an entry for me. And the
static entries I put in had been deleted...
RTB(config-if)#frame-relay map ip 172.16.1.1 121 broadcast
%Address already in map
RTB#sh frame-relay map
Serial0 (up): ip 172.16.1.5 dlci 121(0x79,0x1C90), static,
broadcast,
CISCO, status deleted
Serial0 (up): ip 172.16.16.6 dlci 121(0x79,0x1C90), static,
broadcast,
CISCO, status deleted
Serial0 (up): ip 172.16.1.1 dlci 111(0x6F,0x18F0), dynamic,
broadcast,, status defined, active
However, this didn't happen to RTC. And RTD can ping fine to RTA & RTB.
As a result, is it a good habit to disable "Inverse-arp" (no frame-relay
inverse-arp) on all spoke routers??
Thanks,
H.
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