Hi, Perhaps MTU problem between your C1841 and the remote end.
Best regards, Le 06/12/2012 20:59, Christopher Hunt a écrit : > Hello all, > I'm having some trouble getting xconnects to work on > subinterfaces. I have two back-to-back c1841s with a T1 between them, > both running c1841-advipservicesk9-mz.124-12. The following config, > which uses two untagged ethernet ports works fine: > > ##working config## > ip cef > l2tp-class l2class > ! > pseudowire-class pwire-DATA > encapsulation l2tpv3 > protocol l2tpv3 l2class > ip local interface Loopback0 > ! > pseudowire-class pwire-VOICE > encapsulation l2tpv3 > protocol l2tpv3 l2class > ip local interface Loopback0 > ! > interface Loopback0 > ip address x.x.199.5 255.255.255.255 > ! > interface FastEthernet0/0 > no ip address > duplex auto > speed auto > no cdp enable > xconnect x.x.199.6 100 pw-class pwire-VOICE > ! > interface FastEthernet0/1 > no ip address > duplex auto > speed auto > no cdp enable > xconnect x.x.199.6 101 pw-class pwire-DATA > ! > interface Serial0/0/0 > ip address x.x.199.1 255.255.255.252 > no fair-queue > service-module t1 clock source internal > ! > ip route x.x.199.6 255.255.255.255 x.x.199.2 > > But when I modify the config to put the xconnects on dot1q > subinterfaces, the l2tpv3 tunnels don't come up: > ## broken config## > ! > interface FastEthernet0/0 > no ip address > duplex auto > speed auto > no cdp enable > ! > interface FastEthernet0/0.10 > encapsulation dot1Q 10 > no cdp enable > xconnect x.x.199.6 100 pw-class pwire-VOICE > ! > interface FastEthernet0/0.20 > encapsulation dot1Q 20 > no cdp enable > xconnect x.x.199.6 101 pw-class pwire-DATA > > > > Any ideas? Is xconnect on a subinterface a special feature which > isn't supported by this IOS? TIA, > > -Chris > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > -- Christophe Lucas http://www.clucas.fr/blog/ _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
