| 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 .  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 . |
| solution | use GRE key to distinguish two tunnel that is use same source . |
AR169 DSVPN issue with Cisco
Created: Jul 6, 2018 07:43:20Latest reply: Jul 9, 2018 00:51:25
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