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New Member

global tunnel in vrf ???

hello,

is it possible to configure a tunnel, which has the source and destinationinterface in a vrf AND this tunnel should be a global interface.

with this scenario a want to define a backup pe-pe connection.

6 REPLIES
Cisco Employee

Re: global tunnel in vrf ???

This can be achieved with the tunnel interface command "tunnel vrf". This command forces the lookup of the tunnel source and destination addresses in the configured VRF.

For more information on this command, see the following document:

http://www.cisco.com/univercd/cc/td/doc/product/software/ios124/124tcr/tir_r/int_t1ht.htm#wp1162526

Hope this helps,

Harold Ritter
Sr. Technical Leader
CCIE 4168 (R&S, SP)
harold@cisco.com
México móvil: +52 1 55 8312 4915
Cisco México 
Paseo de la Reforma 222 Piso 19
Cuauhtémoc, Juárez
Ciudad de México, 06600
México
New Member

Re: global tunnel in vrf ???

hi hritter,

thx for answer.

yes, i know this command - but in every example i read, the tunnel itself is in a vrf.

i want the tunnel (which has source and destination in a vrf) to be a global interface, where i can configure label-switching for example.

i want to use a vrf interface on a pe for backuping the global pe-pe interface.

i know - its a littlebit strange - but i want to try.

Cisco Employee

Re: global tunnel in vrf ???

The tunnel interface itself will be part of the global unless you specifically configure it to be part of a VRF using the command "ip vrf forwarding ".

Hope this helps,

Harold Ritter
Sr. Technical Leader
CCIE 4168 (R&S, SP)
harold@cisco.com
México móvil: +52 1 55 8312 4915
Cisco México 
Paseo de la Reforma 222 Piso 19
Cuauhtémoc, Juárez
Ciudad de México, 06600
México
New Member

Re: global tunnel in vrf ???

hi,

thanks - even one question:

i have a vxr 7206 - the command is not available.

is this a spezial ios ??

mplsrbgope01(config-if)#tunnel ?

checksum enable end to end checksumming of packets

destination destination of tunnel

flow flow options

key security or selector key

mode tunnel encapsulation method

mpls MPLS tunnel commands

path-mtu-discovery Enable Path MTU Discovery on tunnel

sequence-datagrams drop datagrams arriving out of order

source source of tunnel packets

tos set type of service byte

tsp-hop Define a TSP hop

ttl set time to live

udlr associate tunnel with unidirectional interface

mplsrbgope01(config-if)#tunnel vrf ?

% Unrecognized command

mplsrbgope01(config-if)#tunnel vrfmplsrbgope01(config-if)#tunnel ?

checksum enable end to end checksumming of packets

destination destination of tunnel

flow flow options

key security or selector key

mode tunnel encapsulation method

mpls MPLS tunnel commands

path-mtu-discovery Enable Path MTU Discovery on tunnel

sequence-datagrams drop datagrams arriving out of order

source source of tunnel packets

tos set type of service byte

tsp-hop Define a TSP hop

ttl set time to live

udlr associate tunnel with unidirectional interface

mplsrbgope01(config-if)#tunnel vrf ?

% Unrecognized command

mplsrbgope01(config-if)#tunnel vrf

Cisco Employee

Re: global tunnel in vrf ???

What level of code are you running? This feature as been integrated in 12.3T.

Hope this helps,

Harold Ritter
Sr. Technical Leader
CCIE 4168 (R&S, SP)
harold@cisco.com
México móvil: +52 1 55 8312 4915
Cisco México 
Paseo de la Reforma 222 Piso 19
Cuauhtémoc, Juárez
Ciudad de México, 06600
México
New Member

Re: global tunnel in vrf ???

hi hritter,

i use

System image file is "disk2:c7200-js-mz.123-12a.bin"

so i have to upgrade to 12.3T or i think its better to use 12.4

thanks

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