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Beginner

DMVPN dual hub - qos preclasify limitation

Hi,

Reading the DMVPN design guide I found: "qos pre-classify is not supported in an architecture that implements two different headends for mGRE tunnels and VPN tunnels."

http://www.cisco.com/application/pdf/en/us/guest/netsol/ns171/c649/ccmigration_09186a008075ea98.pdf

Currently i am using a single headed DMVPN design with qos preclasify configured on the hub and voice works just perfect. My concern is with regards to implementing  a secondary hub for redundancy. How will the qos be handled if the qos preclasify is not supported?

Thanks,

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Cisco Employee

DMVPN dual hub - qos preclasify limitation

I'm not aware of any limiation if you're using two separate tunnel interfaces (as opposed to two NHRP mappings on a single tunnel interface).

Nor does:

http://www.cisco.com/en/US/docs/ios-xml/ios/sec_conn_dmvpn/configuration/15-2mt/sec-conn-dmvpn-per-tunnel-qos.html#GUID-182BD32F-56D4-479C-BFEF-B9738291E046

mention any.

If in doubt, please open a TAC case.