AR169 DSVPN issue with Cisco

Created Jul 06, 2018 15:43:20Latest reply Jul 09, 2018 08:51:25 436 1 0 0

AR169( use ADSL to establish with Cisco  it's failuer.

Topology and Tunnel configuration likw below .


handling process
At first , check configuration on AR169 and Cisco ,both are correct .

Secondly , use command :display nhrp statistics interface tunnel0/0/0 to check AR already sent NHRP packets to Cisco .Refer below screen shot ,so AR is normal .

Finnaly , check Cisco side whether receive the packets or not . debugging like below :

Find receive request is from tunnel10253 , but on Cisco using tunnel 4 to connect with AR , then check configuration tunnel 10253 and tunnel 4 ,both are use same source , so Cisco cannot distinguish nhrp packet from which device tunnel.
root cause
On Cisco configure tunnel 10253 and tunnel 4 use same source , cause receive registration request cannot distinguish .

use GRE key to distinguish two tunnel that is use same source .

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Busy_with_lazy_mind  Moderator   Created Jul 09, 2018 08:51:25 Helpful(0) Helpful(0)

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