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AR169 DSVPN issue with Cisco

Latest reply: Jul 9, 2018 00:51:25 1147 1 0 0 0
 issue

AR169(192.168.2.254) use ADSL to establish with Cisco  it's failuer.

Topology and Tunnel configuration likw below .

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

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

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Busy_with_lazy_mind
Created Jul 9, 2018 00:51:25

AR169 DSVPN issue with Cisco-2693713-1
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