Dear Randy, Thanks for your help, but 172.16/16 belong to that region and for example 172.17/16 belong to another one and I want to ospf bring me the whole subnet not which I used. And summary-address does not to this for me. Thanks
On Sun, Jul 21, 2013 at 1:21 AM, Randy <randy_94...@yahoo.com> wrote: > what you are seeing is the expected behavior. > > you are asking the router to generate a type 3 summary for a type 1 lsa > that doesn't exist for area 10 via the "area 10 range' command" (also, that > is why it works when you add a /32 to loopback) > > 172.16/16 is an external route. If you want to generate a type 5 aggregate > use summary-addr as Jon has pointed out. Else, leave static in place, > redist static subnets but remove "area 10 range 172.16.0.0 255.255.0.0" > from ospf config. > ./Randy > > > > > _______________________________ > > From: Shahab Vahabzadeh <sh.vahabza...@gmail.com> > >To: Jon Lewis <jle...@lewis.org> > >Cc: nanog <nanog@nanog.org> > >Sent: Saturday, July 20, 2013 12:55 PM > >Subject: Re: OSPF and Forcing a Subnet > > > > > >Dear Jon I have a mistake in my last email, there is a static route like > >this: > > > >ip route 172.16.0.0 255.255.0.0 10.20.76.12 > > > >but again it is redistributing > > > > > >On Sun, Jul 21, 2013 at 12:22 AM, Jon Lewis <jle...@lewis.org> wrote: > > > >> You don't have a route for 172.16/16 in the config below, so ospf will > not > >> advertise it. You do have a route for a subnet of 172.16/16, so either > use > >> summary-address 172.16.0.0 255.255.0.0 or nail up a static route for > >> 172.16.0.0 255.255.0.0 to null0 and redistribute static subnets, and > then > >> ospf can redistribute that static route. > >> > >> > >> On Sun, 21 Jul 2013, Shahab Vahabzadeh wrote: > >> > >> Dear Friends, > >>> I have an OSPF over GRE configuration sending you below in which I have > >>> problem. > >>> I want to force OSPF to advertise 172.16/16 range without checking > >>> anything. > >>> And as you see I have an static route for it in routing table but again > >>> OSPF do not advertise it, only it advertise when I put one /32 subnet > on > >>> loopback interface. > >>> even I put "redistribute static subnets" command with/without route-map > >>> but > >>> again do not work. > >>> I think because of having my providers address range in my static > routes, > >>> routers and ospf confused when wanna advertise routers. > >>> > >>> > >>> interface Tunnel0 > >>> > >>>> ip address 128.140.40.2 255.255.255.252 > >>>> tunnel source 10.20.76.2 > >>>> tunnel destination 10.20.75.2 > >>>> interface GigabitEthernet0/0 > >>>> description UPSTREAM - INTRANET > >>>> ip address 10.20.76.2 255.255.255.248 > >>>> interface GigabitEthernet0/1 > >>>> description CONNECTED ROUTER > >>>> ip address 10.20.76.9 255.255.255.248 > >>>> > >>>> router ospf 10 > >>>> log-adjacency-changes > >>>> area 10 range 172.16.0.0 255.255.0.0 > >>>> passive-interface default > >>>> no passive-interface Tunnel0 > >>>> network 172.16.0.0 0.0.255.255 area 10 > >>>> network 128.140.40.0 0.0.0.3 area 0 > >>>> ip route 0.0.0.0 0.0.0.0 10.20.76.1 > >>>> ip route 172.16.0.0 255.255.224.0 10.20.76.12 > >>>> ip route 10.20.76.0 255.255.255.0 10.20.76.12 > >>>> ip route 10.20.77.0 255.255.255.0 10.20.76.12 > >>>> > >>> > >>> > >>> > >>> Thanks > >>> > >>> -- > >>> Regards, > >>> Shahab Vahabzadeh, Network Engineer and System Administrator > >>> > >>> Cell Phone: +1 (415) 871 0742 > >>> PGP Key Fingerprint = 8E34 B335 D702 0CA7 5A81 C2EE 76A2 46C2 5367 > BF90 > >>> > >>> > >> > ------------------------------**------------------------------**---------- > >> Jon Lewis, MCP :) | I route > >> | therefore you are > >> _________ http://www.lewis.org/~jlewis/**pgp< > http://www.lewis.org/~jlewis/pgp>for PGP public key_________ > >> > > > > > > > >-- > >Regards, > >Shahab Vahabzadeh, Network Engineer and System Administrator > > > >Cell Phone: +1 (415) 871 0742 > >PGP Key Fingerprint = 8E34 B335 D702 0CA7 5A81 C2EE 76A2 46C2 5367 BF90 > > > > > > > -- Regards, Shahab Vahabzadeh, Network Engineer and System Administrator Cell Phone: +1 (415) 871 0742 PGP Key Fingerprint = 8E34 B335 D702 0CA7 5A81 C2EE 76A2 46C2 5367 BF90
