DMVPN QoS

[Ivo Sabev]

Hello,

I have implemented in my small network DMVPN and after that -  per tunnel QoS as per:
http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/sec_conn_dmvpn/configuration/15-mt/sec-conn-dmvpn-15-mt-book/sec-conn-dmvpn-per-tunnel-qos.html

It works like a charm in hub to spoke direction.

I need to make QoS and espcially shaping in spoke to hub direction for some backups that are going from each spoke to the hub and other traffic.

Only thing I found is:

Adaptive QoS over DMVPN

http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/qos_plcshp/configuration/xe-3s/qos-plcshp-xe-3s-book/qos-plcshp-adaptive-qos-dmvpn.html

It is not clear for me:

1. What should be configured on spoke in order the hub to adaptivelly detect bandwidth towards this spoke and change the policy attached for this nhrp group on the hub?

2. How is spoke shaping traffic as shown on Figure 1. Adaptive QoS for Per-Tunnel QoS over DMVPN in the above article?

I researched documentations and configurations guides and there is very little regarding shape adaptive command for DMVPN

[Greg Smalley]

So on the Hub you should have all your different speed shaping policies that call your general QoS policy and on the DMVPN tunnel interface you should have NHRP map groups that Map those shaping policies to NHRP group names.  On the spoke you are going to create a shaping policy that matches the speed the spoke and calls your general QoS policy.  On the Tunnel interface you are going to choose the appropriate nhrp group name "ip nhrp group [NHRP GROUP Policy Name]".  The thought here is that the tunnel will only ever shape out at a single speed (it's maximum internet speed) as the Spoke is usually slower than the Hub.

Is that what you have configured now or are you missing the shaping piece/QoS policy on the Spoke?