[c-nsp] leaking only a couple routes between 2 vrf's

[Paul Wells]

Not that I'm aware of, though perhaps someone more familiar with IOS-XR 
can correct me if there is. The traditional method using BGP should work 
of course.

On 11/02/2012 12:07 PM, Jason Lixfeld wrote:
> Handy!
>
> Is there an IOS-XR equivalent to this?
>
> On 2012-11-02, at 12:51 PM, Paul Wells <paul at lituya.com> wrote:
>
>> Hi Aaron,
>>
>> If you have a recent IOS release you can use the "route-replicate" command to do this directly without requiring BGP.  For example:
>>
>> vrf definition blue
>> !
>> address-family ipv4
>>   route-replicate from vrf red unicast all route-map red2blue
>> exit-address-family
>> !
>> vrf definition red
>> !
>> address-family ipv4
>> exit-address-family
>> !
>> ip prefix-list red2blue seq 5 permit 90.0.0.0/8 le 32
>> ip prefix-list red2blue seq 10 permit 91.0.0.0/8 le 32
>> !
>> route-map red2blue permit 10
>> match ip address prefix-list red2blue
>> !
>>
>> R1#sh ip ro vrf red
>>
>> Routing Table: red
>> Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
>> ...
>>        + - replicated route, % - next hop override
>>
>> Gateway of last resort is not set
>>
>>       10.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
>> C        10.1.0.0/24 is directly connected, Ethernet0/0
>> L        10.1.0.180/32 is directly connected, Ethernet0/0
>>       90.0.0.0/24 is subnetted, 2 subnets
>> O        90.1.0.0 [110/11] via 10.1.0.181, 00:30:26, Ethernet0/0
>> i L1     90.2.0.0 [115/20] via 10.1.0.181, 00:00:05, Ethernet0/0
>>       91.0.0.0/24 is subnetted, 1 subnets
>> O        91.1.0.0 [110/11] via 10.1.0.181, 00:30:16, Ethernet0/0
>>       92.0.0.0/24 is subnetted, 1 subnets
>> O        92.1.0.0 [110/11] via 10.1.0.181, 00:30:16, Ethernet0/0
>>
>> R1#sh ip ro vrf blue
>>
>> Routing Table: blue
>> Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
>> ...
>>        + - replicated route, % - next hop override
>>
>> Gateway of last resort is not set
>>
>>       90.0.0.0/24 is subnetted, 2 subnets
>> O   +    90.1.0.0 [110/11] via 10.1.0.181 (red), 00:30:38, Ethernet0/0
>> i L1+    90.2.0.0 [115/20] via 10.1.0.181 (red), 00:00:17, Ethernet0/0
>>       91.0.0.0/24 is subnetted, 1 subnets
>> O   +    91.1.0.0 [110/11] via 10.1.0.181 (red), 00:30:28, Ethernet0/0
>>
>>
>> This is documented as part of the "Easy Virtual Network" feature, but can be used by itself. See, for example:
>>
>> http://www.cisco.com/en/US/docs/ios-xml/ios/evn/configuration/xe-3s/Configuring_Easy_Virtual_Network_Shared_Services.html
>>
>> Regards,
>> Paul
>>
>> On 11/01/2012 04:28 PM, Aaron wrote:
>>> What is a clean/easy way to leak a couple routes between two vrf's ?  if you
>>> have links to docs or sites that explain this or you know how , lemme know
>>> please.
>>>
>>> Aaron
>>>
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>>
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