Friday, September 14, 2018

Connection time outs through dmvpn vpn

Hello Team,

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We have a dmvpn network and our office is experiencing timeouts during working hours.

Reply from 172.xx.yy.235: bytes=32 time=34ms TTL=126

Reply from 172.xx.yy.235: bytes=32 time=33ms TTL=126

Reply from 172.xx.yy.235: bytes=32 time=33ms TTL=126

Reply from 172.xx.yy.235: bytes=32 time=33ms TTL=126

Reply from 172.xx.yy.235: bytes=32 time=33ms TTL=126

Request timed out.

Request timed out.

Reply from 172.xx.yy.235: bytes=32 time=47ms TTL=125

Request timed out.

Request timed out.

Reply from 172.xx.yy.235: bytes=32 time=47ms TTL=125

Reply from 172.xx.yy.235: bytes=32 time=49ms TTL=125

When I begin troubleshooting I notice that the problem starts around 9:30 AM to 5:00 leads me to believe that a workstation in the company is causing the issue.

It only happens here at our office.

The tunnel from our office is generated with a Cisco 1941 router and is also connected to a Cisco ASA 5508-X

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The FireWall does the ISP Fail-over for the router's tunnel. So if one ISP fails the tunnel switches the connection to the secondary ISP.

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The problem with this timeouts is with the citrix sessions. We need to restart them all day long....

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Any advice much appreciated.

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Thank you!

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