On Wed, Oct 7, 2009 at 10:24 PM, Stefan Fouant <[email protected]> wrote:
> On Wed, Oct 7, 2009 at 10:15 PM, Jason Lixfeld <[email protected]> wrote: > >> If I'm reading this correctly, the router is preferring the OSPF route >> over the BGP route, which makes sense because OSPF has a lower >> administrative distance (is that a Juniper term too, or just a Cisco term?) >> than iBGP. This shouldn't prevent the route from being announced to eBGP >> peers (at least it doesn't in Cisco land, but maybe there are differences in >> how J and C work in this regard which I'm missing) should it? >> >> u...@router> show route 69.57.14.0 detail >> >> inet.0: 296972 destinations, 664182 routes (296971 active, 0 holddown, 1 >> hidden) >> 69.57.14.0/24 (2 entries, 1 announced) >> *OSPF Preference: 150 >> Next hop type: Router, Next hop index: 530 >> Next-hop reference count: 1262 >> Next hop: 72.15.49.21 via ge-2/0/1.0, selected >> State: <Active Int Ext> >> Local AS: 21949 >> Age: 1:11:22 Metric: 2020 Tag: 0 >> Task: OSPFv2 >> Announcement bits (2): 0-KRT 5-Resolve tree 1 >> AS path: I >> BGP Preference: 170/-791 >> Next hop type: Indirect >> Next-hop reference count: 1 >> Source: 72.15.48.2 >> Next hop type: Router, Next hop index: 530 >> Next hop: 72.15.49.21 via ge-2/0/1.0, selected >> Protocol next hop: 206.223.182.67 >> Indirect next hop: 155101d4 1048579 >> State: <Int Ext> >> Inactive reason: Route Preference >> Local AS: 21949 Peer AS: 21949 >> Age: 1:11:27 Metric: 0 Metric2: 2020 >> Task: BGP_21949.72.15.48.2+179 >> AS path: I (Originator) Cluster list: 66.207.194.20 >> AS path: Originator ID: 72.15.48.6 >> Communities: 21949:70 21949:790 >> Localpref: 790 >> Router ID: 66.207.194.20 >> > > Yep, the OSPF route is preferred, you can see that in your display by > looking at the * symbol next, which indicates which route is active. Also > you can see that the BGP route has an "Inactive reason: Route Preference", > which makes sense in this case because as you indicate the default > preference value for OSPF externals is lower than BGP routes. By default, > BGP will only advertise active BGP routes. You'll need to either put in a > policy to redistribute the OSPF route to BGP, or use the advertise-inactive > command to advertise the inactive BGP route. > > -- > Stefan Fouant > BTW, in Juniper land the terminology is "Preference" but for all intents and purposes it is the same as AD. Cheers, -- Stefan Fouant _______________________________________________ juniper-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/juniper-nsp
