Book MPLS Configuration on Cisco IOS Software. Implementing Layer 2 VPNs over Inter-AS Topologies Using Layer 2 VPN Pseudo-Wire Switching.
23 сентября 2009 г. 11:10 пользователь Ольга Ружанская <frosy...@mail.ru>написал: > Hello List! > > My company is working on building Inter-AS VPN connection with other > provider (both using MPLS). > After researching on different option we've decided to use Option B > (single-hop MP-EBGP). > The only way to build l2vpn for option B is to use point-to-point VFI on > ASBRs: > > http://www.cisco.com/en/US/docs/ios/mpls/configuration/guide/mp_l2vpn_pseudo_swit_ps6922_TSD_Products_Configuration_Guide_Chapter.html#wp1059907 > > We've found information how to build redundant schemes for L3VPN, but > redundancy for l2vpn is a problem.. > If we have the following topology (2 ASBRs in one AS with connections to 1 > ASBR in other AS): > ASBR2(AS2) > | > ASBR1(AS1) > | > ASBR3(AS2) > is it possible to build a redundant l2vpn? > > As I understand, to use L2VPN Pseudowire Redundancy, we need directed > control protocol between the peer routers, and there is no such protocol > (LDP, for example) in nature of option B. > But maybe someone have already decided such question? > > I will be very glad for any suggestions/documents(it is so little > information about inter-as l2!) > > Best regards, > Olga > > _______________________________________________ > cisco-nsp mailing list cisco-nsp@puck.nether.net > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > -- With best regards, Andrey 'sshd' Petrenko xmmp: sshd at jabber.org gtalk: andy.petrenko at gmail.com skype: andy.petrenko web: http://sshd.by _______________________________________________ cisco-nsp mailing list cisco-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/