From: NITIN NITIN (ccie_study_123@yahoo.com)
Date: Thu Aug 16 2007 - 13:34:09 ART
yo tried no discard-route internal , it works Thanks
Ash <nester2k@gmail.com> wrote: Nitin....you can also do "discard-route internal" under the ospf process to achieve the same goal......
On 8/16/07, NITIN NITIN <ccie_study_123@yahoo.com> wrote: Hi all,
Tried using distribute list to avoid put summary route in ospf database
to be put in routing table it works
simmilar thing works for eigrp
just to share ,, and ask is this right way
NITIN NITIN <ccie_study_123@yahoo.com> wrote:
Hi experts,
I have
R3--BGP-------R1----area0---R2----area51---BB2
On R2 I'm genrating summary to BB2
150.1.0.0/20
of LOOPBACKS NETWORKS
150.1.x.x/24( where x is router no.)
R2-
area 51 range 150.1.0.0 255.255.240.0
when doing this
Rack1R2#sh ip route 150.1.0.0 255.255.240.0
Routing entry for 150.1.0.0/20
Known via "ospf 1", distance 110, metric 0, type intra area
Routing Descriptor Blocks:
* directly connected, via Null0
Route metric is 0, traffic share count is 1
This route is automatically genrated <<<<<<<<<
My Q is R2 has defaullt route from R1 to reach R3 loopback
but wont prefer due to length of summary /20 is beeter
so how to prefer default route in this case
Rack1R2(tcl)#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 156.1.0.1 to network 0.0.0.0
51.0.0.0/32 is subnetted, 1 subnets
O E2 51.51.51.51 [110/20] via 192.10.1.254, 00:54:26, FastEthernet0/0
156.1.0.0/16 is variably subnetted, 12 subnets, 3 masks
O E1 156.1.8.0/24 [110/692] via 156.1.0.1, 00:54:26, Serial2/0.1
O 156.1.5.0/24 [110/129] via 156.1.0.1, 00:54:26, Serial2/0.1
O 156.1.0.5/32 [110/128] via 156.1.0.1, 00:54:26, Serial2/0.1
O E1 156.1.4.0/24 [110/692] via 156.1.0.1, 00:54:26, Serial2/0.1
O 156.1.0.4/32 [110/192] via 156.1.0.1, 00:54:26, Serial2/0.1
O E2 156.1.7.0/24 [110/20] via 156.1.0.1, 00:54:26, Serial2/0.1
O 156.1.0.1/32 [110/64] via 156.1.0.1, 00:54:26, Serial2/0.1
C 156.1.0.0/24 is directly connected, Serial2/0.1
O 156.1.0.0/16 is a summary, 00:54:26, Null0
O IA 156.1.57.0/24 [110/129] via 156.1.0.1, 00:54:26, Serial2/0.1
O E1 156.1.48.0/24 [110/692] via 156.1.0.1, 00:54:26, Serial2/0.1
O 156.1.45.0/24 [110/1127] via 156.1.0.1, 00:54:26, Serial2/0.1
C 192.10.1.0/24 is directly connected, FastEthernet0/0
150.1.0.0/16 is variably subnetted, 7 subnets, 3 masks
C 150.1.2.0/24 is directly connected, Loopback0
O IA 150.1.7.7/32 [110/130] via 156.1.0.1, 00:54:26, Serial2/0.1
O 150.1.5.5/32 [110/129] via 156.1.0.1, 00:54:26, Serial2/0.1
O 150.1.4.4/32 [110/193] via 156.1.0.1, 00:54:26, Serial2/0.1
O 150.1.1.1/32 [110/65] via 156.1.0.1, 00:54:26, Serial2/0.1
O 150.1.0.0/20 is a summary, 00:54:26, Null0<<<<<<<<<<<<<O E1 150.1.8.0/24 [110/692] via 156.1.0.1, 00:54:26, Serial2/0.1
O*E2 0.0.0.0/0 [110/1] via 156.1.0.1, 00:54:26, Serial2/0.1<<<<<<<<<<
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