Re: default-information originate route-map X

try extended instead to match the subnet:
ip access-list extended rip-default-condition
 permit ip 172.10.124.128 0.0.0.127 any

R2#sh ip access-lists
Extended IP access list rip-default-condition
    10 permit ip 172.10.124.128 0.0.0.127 any (7 matches)

R2#sh ip route 172.10.124.128
Routing entry for 172.10.124.128/25
  Known via "ospf 1", distance 110, metric 11, type intra area
  Last update from 12.12.12.1 on FastEthernet0/0, 00:05:04 ago
  Routing Descriptor Blocks:
  * 12.12.12.1, from 172.10.124.129, 00:05:04 ago, via FastEthernet0/0
      Route metric is 11, traffic share count is 1

R3#
*Mar 1 00:15:13.763: RT: NET-RED 0.0.0.0/0

R3#sh ip rip data
0.0.0.0/0 auto-summary
0.0.0.0/0
    [1] via 23.23.23.2, 00:00:13, FastEthernet0/1
23.0.0.0/8 auto-summary
23.23.23.0/24 directly connected, FastEthernet0/1

R3#sh ip route
Gateway of last resort is 23.23.23.2 to network 0.0.0.0
     23.0.0.0/24 is subnetted, 1 subnets
C 23.23.23.0 is directly connected, FastEthernet0/1
R* 0.0.0.0/0 [120/1] via 23.23.23.2, 00:00:14, FastEthernet0/1

NETWORK SETUP FOR TEST ABOVE:

en
conf t
host R1
int f0/0
ip add 12.12.12.1 255.255.255.0
no shut
int loop 172
ip add 172.10.124.129 255.255.255.128
router ospf 1
network 0.0.0.0 0.0.0.0 area 0

en
conf t
host R2
int f0/0
ip add 12.12.12.2 255.255.255.0
no shut
int f0/1
ip add 23.23.23.2 255.255.255.0
no shut
router ospf 1
network 12.12.12.2 0.0.0.0 area 0
router rip
ver 2
network 23.23.23.2
default-information originate route-map rip-default-condition
ip access-list extended rip-default-condition
 permit ip 172.10.124.128 0.0.0.127 any
route-map rip-default-condition permit 10
match ip address rip-default-condition

en
conf t
host R3
int f0/1
ip add 23.23.23.3 255.255.255.0
no shut
router rip
ver 2
network 23.23.23.3
 --
Garry L. Baker

"With sufficient thrust, pigs fly just fine..." - RFC 1925

On Wed, Jul 13, 2011 at 11:32 PM, marc edwards <renorider_at_gmail.com> wrote:

> Hello experts:
> So the concept makes plenty of sense. Only advertise a default route
> if this prefix is int he routing table. I have R5 receiving routes via
> redistribution (most specifically a 172.10.124.0/25 prefix) this
> should fufill the condition to advertise onto switch 2 but not seeing
> it happen see below configurations:
>
> R5
>
>
> router rip
> version 2
> passive-interface default
> no passive-interface FastEthernet0/0.20
> network 172.10.0.0
> default-information originate route-map rip-default-condition
> no auto-summary
> --
> ip access-list standard rip-default-condition
> permit 172.10.124.128
> --
> route-map rip-default-condition permit 10
> match ip address rip-default-condition
>
> R5#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
> O E2 1.1.1.0 [110/20] via 172.10.35.3, 00:06:46, FastEthernet0/0.30
> 4.0.0.0/24 is subnetted, 1 subnets
> O E2 4.4.4.0 [110/20] via 172.10.35.3, 00:06:46, FastEthernet0/0.30
> 172.10.0.0/16 is variably subnetted, 18 subnets, 5 masks
> ---- route exists---
> O E2 172.10.124.128/25
> [110/20] via 172.10.35.3, 00:06:46, FastEthernet0/0.30
> --------------------------
> C 172.10.35.0/24 is directly connected, FastEthernet0/0.30
> O E2 172.10.32.0/24 [110/20] via 172.10.35.3, 00:06:46,
> FastEthernet0/0.30
> O E2 172.10.43.0/24 [110/20] via 172.10.35.3, 00:06:47,
> FastEthernet0/0.30
> O E2 172.10.23.0/24 [110/20] via 172.10.35.3, 00:06:47,
> FastEthernet0/0.30
> O E2 172.10.102.0/24 [110/20] via 172.10.35.3, 00:06:47,
> FastEthernet0/0.30
> O E2 172.10.103.0/24 [110/20] via 172.10.35.3, 00:06:47,
> FastEthernet0/0.30
> O E2 172.10.101.0/24 [110/20] via 172.10.35.3, 00:06:48,
> FastEthernet0/0.30
> O IA 172.10.106.0/24 [110/2] via 172.10.65.6, 01:10:50,
> FastEthernet0/0.20
> O E2 172.10.104.0/24 [110/20] via 172.10.35.3, 00:06:48,
> FastEthernet0/0.30
> C 172.10.105.0/24 is directly connected, Loopback105
> R 172.10.120.0/24 [120/1] via 172.10.65.10, 00:00:01,
> FastEthernet0/0.20
> O E2 172.10.25.96/30 [110/20] via 172.10.35.3, 00:06:48,
> FastEthernet0/0.30
> O 172.10.65.6/32 [110/1] via 172.10.65.6, 01:15:16,
> FastEthernet0/0.20
> O E2 172.10.25.92/30 [110/20] via 172.10.35.3, 00:06:48,
> FastEthernet0/0.30
> C 172.10.65.0/24 is directly connected, FastEthernet0/0.20
> O E2 172.10.25.88/30 [110/20] via 172.10.35.3, 00:06:48,
> FastEthernet0/0.30
> O E2 172.10.25.64/26 [110/20] via 172.10.35.3, 00:06:48,
> FastEthernet0/0.30
>
> ----I have a match in my access list---
>
> R5#sh access-lists
> Standard IP access list rip-default-condition
> 10 permit 172.10.124.128 (1 match)
>
>
> SW2
>
>
> router rip
> version 2
> passive-interface default
> no passive-interface Vlan20
> network 172.10.0.0
> no auto-summary
>
>
>
> SW2#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, E - EGP
> 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
>
> 172.10.0.0/24 is subnetted, 4 subnets
> R 172.10.35.0 [120/1] via 172.10.65.5, 00:00:06, Vlan20
> R 172.10.105.0 [120/1] via 172.10.65.5, 00:00:06, Vlan20
> C 172.10.120.0 is directly connected, Loopback120
> C 172.10.65.0 is directly connected, Vlan20
> SW2#
>
> Thanks for the input.
>
> Marc Edwards
> http://cisco-voyage.blogspot.com
>
>
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>
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Received on Thu Jul 14 2011 - 12:59:03 ART