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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re[2]: Class B address routing
Hi, All. Thanks to Todd & All of you helped us. We are really appreciated your help and suggestions. I think that we can do this now. Thanks to all again. Regards, Kenji Anzai On Thu, 18 May 2000 19:33:54 -0400 (EDT) Todd Romero <[email protected]> wrote: > > easily done..redistribute static into bgp with a route map. one /16 static > and one /17 static pointing to Null0. the more specific will override the > /16 always even tho its still there. > > > router bgp xxxx > redistribute static route-map static-to-bgp > ! > ip route x.x.x.x 255.255.0.0 Null0 254 > ip route x.x.x.x 255.255.128.0 Null0 254 > ! > access-list 10 permit x.x.x.x 0.0.255.255 > access-list 10 permit x.x.x.x 0.127.255.255 > ! > route-map static-to-bgp permit 10 > match ip address 10 > ! > > > the only difference at each pop.. your /17 will be different in the static > and ACL. > > > On Thu, 18 May 2000, Kenji Anzai wrote: > > > > > Hi, All. > > > > Thanks for all your replay to help us out. > > They were really helpful. > > > > However, let me add some mor info for this question. > > > > 1. We have 2 routers at each POP, and own AS number. > > 2. The routers use EBGP, and use IBGP between the routers at each POP > > (not between POP). > > 3. 2 POP are located at different location. > > 4. We use same data center company's data center, so our network is > > under the company's network. > > 5. The data center won't aggrigate our netowrk as /16. > > > > After I read all your response, How could we annouce /16 and /17 from > > the same router using BGP ? > > > > Regards, > > > > Kenji > > > > > > On Thu, 18 May 2000 14:04:15 -0400 > > Kenji Anzai <[email protected]> wrote: > > > > > > > > Hi, All. > > > > > > I'm having problem with our class B address. Last month, we tested our class B address. We announce the address as 2 x /17 from 2 different POP under the same ISP's data center. However, some ISP do NOT accept our route since the address belongs to traditional Class B address, and they told me that they only accept if we announce it as /16. (They filtered out our route…..) > > > > > > I talked to some people, they suggested me that we need to announce the block as /16 from both POP, even though we only like to announce /17 from each POP (Front /17 from one POP, the other /17 from another POP.). > > > > > > How could we do so ? Please help us. > > > > > > |--------- | > > > | POP A | > > > | /17 |------| > > > |----------| | |--------| > > > |-----| ISP C |-- Internet---X----ISP D > > > | ---------| | |--------| Filtered out here… > > > | POP B |------| > > > | /17 | > > > ----------- > > > > > > Regards, > > > > > > Kenji Anzai > > > > > > > > > > > > > > > ITIの安齋です。 > > お世話になっております。 > > > > > > ***携帯電話の番号が変わりました*** > > > > *************************************** > > > > Kenji Anzai > > > > Network Engineer > > > > Engineering Department > > Network Operation Group > > > > Itochu Technology, Inc. > > 3100 Patrick Henry Drive > > Santa Clara, CA 94504 > > > > Tel: (408) 653-2817 (Direct) > > Fax: (408) 727-4619 > > Cellular: (408) 910-4170 > > Email: [email protected] > > Pager:1-888-830-3638 > > [email protected] > > (English Only) > > *************************************** > > > > ITIの安齋です。 お世話になっております。 ***携帯電話の番号が変わりました*** *************************************** Kenji Anzai Network Engineer Engineering Department Network Operation Group Itochu Technology, Inc. 3100 Patrick Henry Drive Santa Clara, CA 94504 Tel: (408) 653-2817 (Direct) Fax: (408) 727-4619 Cellular: (408) 910-4170 Email: [email protected] Pager:1-888-830-3638 [email protected] (English Only) ***************************************
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