From: Logan, Harold (loganh@mccfl.edu)
Date: Tue Nov 26 2002 - 15:42:12 GMT-3
That's true. You can summarize the /32 routes at an ABR if you want, but those networks are the default behavior of the ospf point-to-multi command. I wouldn't lose too much sleep if your output isn't a carbon copy of NLI's, unless they specifically state that the /32 adverts aren't allowed.
> -----Original Message-----
> From: jim.phillipo@guardent.com [mailto:jim.phillipo@guardent.com]
> Sent: Thursday, November 07, 2002 6:13 PM
> To: Logan, Harold
> Cc: ccielab@groupstudy.com
> Subject: RE: OSPF redistribute connected issue
>
>
> Correct me if I am wrong. I will not be able to summarize
> beacause thy are
> in the same Area ?
>
> -----Original Message-----
> From: Logan, Harold [mailto:loganh@mccfl.edu]
> Sent: Thursday, November 07, 2002 5:24 PM
> To: Jim Phillipo; ccielab@groupstudy.com
> Subject: RE: OSPF redistribute connected issue
>
>
> Ok, I'll bite...
>
> It's been a while since I've gotten my hands dirty doing ospf
> point-to-multi, so if I'm wrong I hope someone will correct me.
>
> Redistribute connected is only going to inject connected routes for
> interfaces that do not already have OSPF enabled on them. The
> frame relay
> interface is running OSPF, so it won't be advertised as an
> OE2; it's already
> being advertised as an IA. As for the more specific routes, that's the
> default behavior of OSPF with the ip ospf network point-to-multipoint
> enabled.
>
> If you really have your heart set on seeing 10.1.11.0/24 in the other
> router's routing table (or if the lab you're doing requires
> it) then you can
> either summarize the networks to a /24, or you can take a
> different approach
> to your hub-and-spoke frame connection.
>
> As to why your output is different from NLI's output, my
> guess would be that
> it's a result of different IOS versions.
>
> hth,
> Hal
>
> > -----Original Message-----
> > From: jim.phillipo@guardent.com [mailto:jim.phillipo@guardent.com]
> > Sent: Thursday, November 07, 2002 4:35 PM
> > To: ccielab@groupstudy.com
> > Subject: OSPF redistribute connected issue
> >
> >
> > Rt 13 is redistributing connected interfaces. R9 is directly
> > attached to E0
> > but is only seeing the host routes to 10.1.11.0. The
> > loopback of r13 is
> > showing up as a E2 route with the correct network mask.
> >
> > Any thoughts ? this is lab 17 of NLI. I have double checked
> > their configs
> > and as far as I see mine is the same.
> >
> > interface Loopback0
> > ip address 15.15.13.13 255.255.255.0
> > ip router isis
> > !
> > interface Ethernet0/0
> > ip address 10.1.5.4 255.255.255.248
> > !
> > interface Serial0/0
> > no ip address
> > encapsulation frame-relay
> > no fair-queue
> > no frame-relay inverse-arp
> > !
> > interface Serial0/0.14 multipoint
> > ip address 10.1.11.14 255.255.255.0
> > ip ospf network point-to-multipoint
> > frame-relay map ip 10.1.11.1 102 broadcast
> > frame-relay map ip 10.1.11.3 101 broadcast
> > !
> > interface Serial0/0.193 point-to-point
> > ip address 10.1.12.193 255.255.255.240
> > ip router isis
> > frame-relay interface-dlci 100
> > !
> > interface Ethernet0/1
> > no ip address
> > !
> > router ospf 1
> > no log-adjacency-changes
> > redistribute connected metric 100 subnets
> > redistribute isis level-1
> > network 10.1.5.4 0.0.0.0 area 10
> > network 10.1.11.0 0.0.0.255 area 0
> > !
> >
> >
> >
> > r9>
> > r9>en
> > r9#sho ip rou
> > Codes: C - connected, S - static, I - IGRP, 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, 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
> >
> > O IA 200.20.20.0/24 [110/138] via 10.1.5.4, 17:58:31, Ethernet0
> > O E2 172.27.0.0/16 [110/50] via 10.1.5.2, 17:58:31, Ethernet0
> > 10.0.0.0/8 is variably subnetted, 8 subnets, 5 masks
> > O E2 10.1.10.0/24 [110/50] via 10.1.5.2, 17:58:31, Ethernet0
> > O IA 10.1.11.1/32 [110/74] via 10.1.5.4, 17:58:31,
> Ethernet0 These
> > should have a E2 route ?
> > O IA 10.1.11.3/32 [110/74] via 10.1.5.4, 17:58:31, Ethernet0
> > O E2 10.2.1.0/24 [110/50] via 10.1.5.2, 17:58:31, Ethernet0
> > O IA 10.1.11.14/32 [110/10] via 10.1.5.4, 17:58:31, Ethernet0
> > C 10.1.5.0/29 is directly connected, Ethernet0
> > O E2 10.1.35.4/30 [110/50] via 10.1.5.2, 17:58:32, Ethernet0
> > O E2 10.1.12.192/28 [110/100] via 10.1.5.4, 17:58:32, Ethernet0
> > 15.0.0.0/8 is variably subnetted, 6 subnets, 2 masks
> > O 15.15.6.6/32 [110/11] via 10.1.5.2, 17:58:32, Ethernet0
> > O IA 15.15.2.2/32 [110/139] via 10.1.5.4, 17:58:32, Ethernet0
> > O IA 15.15.1.1/32 [110/75] via 10.1.5.4, 17:58:32, Ethernet0
> > O 15.15.4.4/32 [110/11] via 10.1.5.1, 17:58:32, Ethernet0
> > C 15.15.9.0/24 is directly connected, Loopback0
> > O E2 15.15.13.0/24 [110/100] via 10.1.5.4, 17:58:32,
> > Ethernet0 This is
> > correct.
> > r9#
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