[c-nsp] routing between VRF and global

[Orlov, Sergey]

Hi Jeff,

Other possible tricks:

1. BGP Support for IP Prefix Import from GRT into a VRF: http://www.cisco.com/en/US/docs/ios/12_3t/12_3t14/feature/guide/gt_bgivt.html
2. (may be useful depending on your particular problem) VRF source selection: http://www.cisco.com/en/US/docs/ios/12_0s/feature/guide/vrfselec.html

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Regadring "internal hairpin" on GRE tunnel: you can run into MTU-related issues. And of course the internal forwarding path could be unsuspected in this case.

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Sergey