From: Antonio Soares (amsoares@netcabo.pt)
Date: Sun Mar 29 2009 - 15:15:02 ART
With cell-mode, you must have a valid LDP/TDP adjacency. And here you have mismatching control-vc's.
Regards,
Antonio Soares, CCIE #18473 (R&S)
amsoares@netcabo.pt
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of backbone systems
Sent: domingo, 29 de Margo de 2009 17:44
To: Cisco certification; Cisco certification
Subject: ATM CELL MODE SWITCHING - CAN NOT PING ACROSS
hi,
i have a scenario where R1 - R9 and connected over atm interface with
tag-switching......i am running ospf over the interface....Now my ospf
relationship is established successfully but i can not ping the routes
?????
Why is that....i am not getting it.....
R1
interface ATM1/0.19 tag-switching
ip address 150.1.101.1 255.255.255.0
no ip directed-broadcast
no atm enable-ilmi-trap
snmp trap link-status
mpls ldp discovery transport-address interface
mpls label protocol ldp
tag-switching atm control-vc 0 109
tag-switching atm vpi 0
tag-switching ip
R9
interface ATM1/0.91 tag-switching
ip address 150.1.101.9 255.255.255.0
no ip directed-broadcast
no atm enable-ilmi-trap
snmp trap link-status
mpls ldp discovery transport-address interface
mpls label protocol ldp
tag-switching atm control-vc 0 901
tag-switching atm vpi 0
tag-switching ip
let say on R9 i can see the routes
R9#sh ip route ospf
1.0.0.0/32 is subnetted, 4 subnets
O 1.1.3.3 [110/50] via 150.1.101.1, 00:19:37, ATM1/0.91
O 1.1.2.2 [110/50] via 150.1.101.1, 00:19:37, ATM1/0.91
O 1.1.1.1 [110/2] via 150.1.101.1, 00:19:37, ATM1/0.91
131.1.0.0/29 is subnetted, 3 subnets
O 131.1.12.0 [110/49] via 150.1.101.1, 00:19:37, ATM1/0.91
O 131.1.13.0 [110/49] via 150.1.101.1, 00:19:37, ATM1/0.91
O 131.1.23.0 [110/97] via 150.1.101.1, 00:19:37, ATM1/0.9
but i can not ping any of the routes?????
R9#sh mpls ldp dis
Local LDP Identifier:
1.1.9.9:0
Discovery Sources:
Interfaces:
ATM1/0.91 (ldp): xmit/recv
LDP Id: 131.1.13.1:1; IP addr: 150.1.101.1; no host route
R9#
i am missing something basic???? can anyone explain ?????
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