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VPN Connection Issue to NX-API Always On Sandbox

twinfiel
Cisco Employee
Cisco Employee

I am a Cisco employee.  I've tried to connect to the always on VPN hub devnetsb13.cisco.com from two different external internet providers (Verizon FiOS and AT&T's LTE network) but the connection times out.  However, if i take the same machine and attempt to connect from a Cisco internal network to devnetsb13, the connection is able to be established.  I am able to VPN to other sites from the external providers I mentioned.

I worked with Joseph Kernes and was able to establish a connection to 64.103.37.6 (i.e. devnetsb14.cisco.com) from one of the external sites I previously mention.

6 Replies 6

twinfiel
Cisco Employee
Cisco Employee

I mis-spelled the gentleman's name I worked with.  It is actually Joseph Kearns.  I was able to establish a VPN connection to the other location to verify that the provider wasn't blocking VPN connections.

Also I am able to both resolve the IP and ping devnetsb13.cisco.com from both external sites as well.  Just wanted to provide as much information as possible to facilitate troubleshooting.

Hi,

Just back from CL Berlin and looking at this case.

Perhaps the best approach here is to have a Webex and troubleshoot. Let me know when suits you and I can arrange.

Joe

I have some availability tomorrow (Wednesday March 1st). Feel free to pick an open slot and send me a calendar invite.

-


Tony Winfield

Cisco Systems – Vertical Solutions Architect

111 Wood Avenue South

ISELIN, NEW JERSEY 08830

Office/Mobile: 732-516-5999 - Single Number Reach (will ring all phones)

JabberCall Me<https://jabberguest.cisco.com/call/88948742@cisco.com?name=Tony%20Winfield>

browser-based video chat.

For technical support issues the TAC can be reached at 1-800-553-2447 or

http://www.cisco.com/en/US/support/index.html

I have flexibility today. I’m good in the morning until 11:00AM ET. Then I’m free any time after 1:30pm. ET Just send me the calendar invite with the WebEx. I have a couple of machines so one can be off the Cisco network and one can be one if that will help in troubleshooting.

Thanks for following up.

-


Tony Winfield

Cisco Systems – Vertical Solutions Architect

111 Wood Avenue South

ISELIN, NEW JERSEY 08830

Office/Mobile: 732-516-5999 - Single Number Reach (will ring all phones)

JabberCall Me<https://jabberguest.cisco.com/call/88948742@cisco.com?name=Tony%20Winfield>

browser-based video chat.

For technical support issues the TAC can be reached at 1-800-553-2447 or

http://www.cisco.com/en/US/support/index.html

admin11111
Level 4
Level 4

Have you tried setting your VPN MTU to somethng small like 500?

Sometimes IPSec breaks up packets in an unfriendly way.

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