From: Trung@
Date: Sun May 15 2005 - 09:19:19 GMT-3
Hi
Eigrp is configured for testing this topology.
The peer relationship is ok between the multipoints but the one between
sub-int p-t-p and physical interface will have the flapping problem.
The log will be like this:
00:47:58: %DUAL-5-NBRCHANGE: IP-EIGRP 1: Neighbor 10.0.0.4 (Serial0) is
down: retry limit exceeded
00:48:00: %DUAL-5-NBRCHANGE: IP-EIGRP 1: Neighbor 10.0.0.4 (Serial0) is up:
new adjacency
00:49:19: %DUAL-5-NBRCHANGE: IP-EIGRP 1: Neighbor 10.0.0.4 (Serial0) is
down: retry limit exceeded
00:49:22: %DUAL-5-NBRCHANGE: IP-EIGRP 1: Neighbor 10.0.0.4 (Serial0) is up:
new adjacency
00:50:42: %DUAL-5-NBRCHANGE: IP-EIGRP 1: Neighbor 10.0.0.4 (Serial0) is
down: retry limit exceeded
Still don't know why ?
Any comment ?
TIA.
N.Trung
----- Original Message -----
From: <l.tosolini@chello.nl>
To: "k c" <jwongccie@yahoo.com.hk>; "Ed Lui" <edwlui@gmail.com>
Cc: <ccielab@groupstudy.com>
Sent: Saturday, May 14, 2005 5:01 PM
Subject: Re: Re: Frame Relay mp/p2p Questions
> Hi kc,
> I am not aware of any problem connecting p2p subif to phy interface
> For p2p subif:
> - you need to specify the DLCI via 'frame-relay interface-dlci 104'
> otherwise the DLCI are assigned automatically to the phy intf
> - no need for inarp nor for map, because its treated as a phy p2p
> interface
> For phy intf:
> - as inarp is disabled you need the map
>
> This is my config:
> r1#show running-config | begin Serial0
> interface Serial0
> no ip address
> encapsulation frame-relay
> no frame-relay inverse-arp
> !
> interface Serial0.14 point-to-point
> ip address 172.16.14.1 255.255.255.0
> frame-relay interface-dlci 104
>
> r4#show running-config interface serial 0
> interface Serial0
> ip address 172.16.14.4 255.255.255.0
> encapsulation frame-relay
> frame-relay map ip 172.16.14.1 401 broadcast
> frame-relay interface-dlci 401
> no frame-relay inverse-arp
> end
>
> My 2 cents,
> Luca.
>
>>
>> van: k c <jwongccie@yahoo.com.hk>
>> datum: 2005/05/14 za AM 10:22:20 CEST
>> aan: Ed Lui <edwlui@gmail.com>
>> cc: ccielab@groupstudy.com
>> onderwerp: Re: Frame Relay mp/p2p Questions
>>
>> Hi Ed Lui,
>>
>> My question is:
>> one side is p2p, the other side is physical interface. By default,
>> physical interface cannot connect to p2p sub-interface, am I correct?
>> Assuming "no fram inverse-arp" is used. So how to make connection between
>> a p2p sub-interface and a physical interface.
>>
>> Thanks.
>>
>> Ed Lui <edwlui@gmail.com> <6<g:
>> k c,
>>
>> It will look like this. Your question is ?
>>
>>
>> --------------------------------(s0)(phy int)R4
>> / 172.16.14.X
>> (s0.14)ptp
>> R1(s0.123)multipoint=========================(S0)(phy int)R2
>> \ 172.16.123.X
>> ========================(s0)(phy int)R3
>>
>>
>> HTH,
>>
>> On 5/13/05, k c wrote:
>> > Hi Group,
>> >
>> > R1 (172.16.123.1/172.16.14.1), R2 (172.16.123.2), R3 (172.16.123.3), R4
>> > (172.16.14.4).
>> > R1 is Hub, R2 & R3 are spokes within 172.16.123.0 subnet.
>> > "One and only one router must configured with two and only two logical
>> > FR interfaces. The three remaining routers with FR interfaces must use
>> > physical interfaces only. The logical interfaces must be of a different
>> > type"
>> >
>> > Obviously, R1 will be configured with one mp (connect to R2 and R3) and
>> > one p2p connect to R4, however, R2-R4 should be physical interfaces.
>> > Any hints?
>> >
>> > Thanks.
>> >
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