Re: RIPv2 Over framerelay

"Split horizon for Frame Relay and SMDS encapsulation is disabled by
default. Split horizon is not disabled by default for interfaces using
any of the X.25 encapsulations. For all other encapsulations, split
horizon is enabled by default. "

http://www.cisco.com/en/US/docs/ios/12_0/np1/configuration/guide/1crip.html#wp4813
Thanking You

Yours Sincerely

Divin Mathew John
divinjohn_at_gmail.com
divin_at_dide3d.com
http://www.dide3d.com
+91 9945430983
+91 9846697191
+974 5008916
PGP PUBLIC KEY BLOCK @ http://www.dide3d.com/divin_Public_PGP_key.txt
Sent from Bangalore, KA, India

On Sat, Apr 18, 2009 at 8:13 AM, Bryan Bartik <bbartik_at_ipexpert.com> wrote:
> Divin,
>
> Also, remember EIGRP uses a different command that RIP for split-horizon.
> And it is not disabled by default on Frame interfaces, unlike RIP.
>
> Bryan Bartik
> CCIE #23707, CCNP
> Sr. Support Engineer - IPexpert, Inc.
> URL: http://www.IPexpert.com
>
> On Fri, Apr 17, 2009 at 8:39 PM, Divin Mathew John <divinjohn_at_gmail.com>
> wrote:
>>
>> Are you talking about the split horizon being turned off by default on
>> NBMA frame relay type connection?
>> Thanking You
>>
>> Yours Sincerely
>>
>> Divin Mathew John
>> divinjohn_at_gmail.com
>> divin_at_dide3d.com
>> http://www.dide3d.com
>> +91 9945430983
>> +91 9846697191
>> +974 5008916
>> PGP PUBLIC KEY BLOCK @ http://www.dide3d.com/divin_Public_PGP_key.txt
>> Sent from Bangalore, KA, India
>>
>>
>> On Sat, Apr 18, 2009 at 8:07 AM, Ryan West <rwest_at_zyedge.com> wrote:
>> > Divin,
>> >
>> > RIP on NBMA main interfaces is disabled by default, but enabled on
>> > subinterfaces and other encapsulation types.
>> >
>> > -ryan
>> >
>> > -----Original Message-----
>> > From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
>> > Divin Mathew John
>> > Sent: Friday, April 17, 2009 10:28 PM
>> > To: Cisco certification
>> > Subject: RIPv2 Over framerelay
>> >
>> > I kinda have a Hub and spoke topology.
>> >
>> > R2 is the Hub and R1 and R2 are the spokes. Now i ran RIPv2 on all the
>> > routers. I did establish the layer-2 reach ability. Now to my suprise
>> > without turning off splithorizon on the interface at R2 i seem to get
>> > all the routes. Routes from both R1 and R2. there seems to be no
>> > problems in the routing table . and i can reach all the loopbacks of
>> > all the routers from anywhere on my topology. BUT. according to the
>> > books we gotta disable split horizon on the interfaces for all routes
>> > to appear on the routing table on all routers.! my config is as
>> > follows
>> >
>> > R1
>> >
>> > interface Loopback0
>> > ip address 1.1.1.1 255.255.255.0
>> > !
>> > interface Serial0/0
>> > ip address 192.168.1.1 255.255.255.0
>> > encapsulation frame-relay
>> > serial restart-delay 0
>> > clock rate 64000
>> > frame-relay map ip 192.168.1.2 102 broadcast
>> > frame-relay map ip 192.168.1.3 102 broadcast
>> > no frame-relay inverse-arp
>> > !
>> > interface Serial0/1
>> > no ip address
>> > shutdown
>> > serial restart-delay 0
>> > !
>> > interface Serial0/2
>> > no ip address
>> > shutdown
>> > serial restart-delay 0
>> > !
>> > interface Serial0/3
>> > no ip address
>> > shutdown
>> > serial restart-delay 0
>> > !
>> > router rip
>> > version 2
>> > network 1.0.0.0
>> > network 192.168.1.0
>> > no auto-summary
>> > !
>> > ip http server
>> > no ip http secure-server
>> > *******************************************************
>> >
>> > R2
>> >
>> > interface Loopback0
>> > ip address 2.2.2.2 255.255.255.0
>> > !
>> > interface Serial0/0
>> > ip address 192.168.1.2 255.255.255.0
>> > encapsulation frame-relay
>> > serial restart-delay 0
>> > clock rate 64000
>> > frame-relay map ip 192.168.1.1 201 broadcast
>> > frame-relay map ip 192.168.1.3 203 broadcast
>> > no frame-relay inverse-arp
>> > !
>> > interface Serial0/1
>> > no ip address
>> > shutdown
>> > serial restart-delay 0
>> > !
>> > interface Serial0/2
>> > no ip address
>> > shutdown
>> > serial restart-delay 0
>> > !
>> > interface Serial0/3
>> > no ip address
>> > shutdown
>> > serial restart-delay 0
>> > !
>> > router rip
>> > version 2
>> > network 2.0.0.0
>> > network 192.168.1.0
>> > no auto-summary
>> > !
>> > ip http server
>> > no ip http secure-server
>> > !
>> > !
>> >
>> > *******************************
>> > R3
>> >
>> > interface Loopback0
>> > ip address 3.3.3.3 255.255.255.0
>> > !
>> > interface Serial0/0
>> > ip address 192.168.1.3 255.255.255.0
>> > encapsulation frame-relay
>> > serial restart-delay 0
>> > clock rate 64000
>> > frame-relay map ip 192.168.1.1 302 broadcast
>> > frame-relay map ip 192.168.1.2 302 broadcast
>> > no frame-relay inverse-arp
>> > !
>> > interface Serial0/1
>> > no ip address
>> > shutdown
>> > serial restart-delay 0
>> > !
>> > interface Serial0/2
>> > no ip address
>> > shutdown
>> > serial restart-delay 0
>> > !
>> > interface Serial0/3
>> > no ip address
>> > shutdown
>> > serial restart-delay 0
>> > !
>> > router rip
>> > version 2
>> > network 3.0.0.0
>> > network 192.168.1.0
>> > no auto-summary
>> > !
>> > ip http server
>> > no ip http secure-server
>> > !
>> >
>> > ***********************************
>> > R3#sh ip route
>> > Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
>> > D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
>> > N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
>> > E1 - OSPF external type 1, E2 - OSPF external type 2
>> > i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS
>> > level-2
>> > ia - IS-IS inter area, * - candidate default, U - per-user static
>> > route
>> > o - ODR, P - periodic downloaded static route
>> >
>> > Gateway of last resort is not set
>> >
>> > 1.0.0.0/24 is subnetted, 1 subnets
>> > R 1.1.1.0 [120/2] via 192.168.1.1, 00:00:24, Serial0/0
>> > 2.0.0.0/24 is subnetted, 1 subnets
>> > R 2.2.2.0 [120/1] via 192.168.1.2, 00:00:24, Serial0/0
>> > 3.0.0.0/24 is subnetted, 1 subnets
>> > C 3.3.3.0 is directly connected, Loopback0
>> > C 192.168.1.0/24 is directly connected, Serial0/0
>> >
>> >
>> > R1#sh ip route
>> > Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
>> > D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
>> > N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
>> > E1 - OSPF external type 1, E2 - OSPF external type 2
>> > i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS
>> > level-2
>> > ia - IS-IS inter area, * - candidate default, U - per-user static
>> > route
>> > o - ODR, P - periodic downloaded static route
>> >
>> > Gateway of last resort is not set
>> >
>> > 1.0.0.0/24 is subnetted, 1 subnets
>> > C 1.1.1.0 is directly connected, Loopback0
>> > 2.0.0.0/24 is subnetted, 1 subnets
>> > R 2.2.2.0 [120/1] via 192.168.1.2, 00:00:16, Serial0/0
>> > 3.0.0.0/24 is subnetted, 1 subnets
>> > R 3.3.3.0 [120/2] via 192.168.1.3, 00:00:16, Serial0/0
>> > C 192.168.1.0/24 is directly connected, Serial0/0
>> >
>> > R2#sh ip route
>> > Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
>> > D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
>> > N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
>> > E1 - OSPF external type 1, E2 - OSPF external type 2
>> > i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS
>> > level-2
>> > ia - IS-IS inter area, * - candidate default, U - per-user static
>> > route
>> > o - ODR, P - periodic downloaded static route
>> >
>> > Gateway of last resort is not set
>> >
>> > 1.0.0.0/24 is subnetted, 1 subnets
>> > R 1.1.1.0 [120/1] via 192.168.1.1, 00:00:29, Serial0/0
>> > 2.0.0.0/24 is subnetted, 1 subnets
>> > C 2.2.2.0 is directly connected, Loopback0
>> > 3.0.0.0/24 is subnetted, 1 subnets
>> > R 3.3.3.0 [120/1] via 192.168.1.3, 00:00:10, Serial0/0
>> > C 192.168.1.0/24 is directly connected, Serial0/0
>> >
>> > What am i missing here? . I tried with EIGRP too.. Split horizon seems
>> > to be the problem there. R3 doesnt get R1's loopback and viceversa.!
>> > Thanking You
>> >
>> > Yours Sincerely
>> >
>> > Divin Mathew John
>> > divinjohn_at_gmail.com
>> > divin_at_dide3d.com
>> > http://www.dide3d.com
>> > +91 9945430983
>> > +91 9846697191
>> > +974 5008916
>> > PGP PUBLIC KEY BLOCK @ http://www.dide3d.com/divin_Public_PGP_key.txt
>> >
>> >
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Received on Sat Apr 18 2009 - 08:19:09 ART