IWAN Saclalblity.

Unanswered Question
Apr 18th, 2017
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With the MTT (Multiple Tunnel Termination) feature enabled from the IOS XE software (Everest 16.4.1), We would like to know what the scalability of sites supported with 3 WAN Links (DMVPN's) in each Border Router?

We have ASR1001X (IOS XE 03.16.05.S) as both MC and Border router.

Any help is appreciated. Thank you.

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Philip D'Ath Thu, 04/20/2017 - 01:03
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I don't know the answer.  I would expect it to be many thousands of sites per router.


I was looking after a DMVPN customer that had 240 spokes each with dual terminations going back to a Cisco 2921 and it was handling it easy.


I would be gutted if an ASR1k couldn't handle 10 times as much load.

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