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ASA 5525 VPN connects but can't telnet into ASA unless remote to PC on same subnet

Posted on 2014-03-02
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Last Modified: 2014-03-10
Hello EE,
I have a Cisco ASSA5525 on 10.210.x.x network
I can VPN in just fine and get a DHCP address on 10.210.x.x network but cannot telnet into the IP of the Cisco ASA?

I can only telnet into it from RDP into one of the physical machines at the same site as the firewall on the 10.210.x.x network.
I have telnet 0.0.0.0 0.0.0.0 inside but is the VPN even though connected in really outside?
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Question by:bergquistcompany
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6 Comments
 
LVL 16
ID: 39898917
Need no-proxy-arp route-lookup added to the end of your no NAT statement.

MO
0
 
LVL 16
ID: 39898922
For example:

nat (inside,outside) source static NET_INTERNAL NET_INTERNAL destination static NET_VPN_USERS NET_VPN_USERS

should be:

nat (inside,outside) source static NET_INTERNAL_NET NET_INTERNAL_NET destination static NET_VPN_USERS NET_VPN_USERS no-proxy-arp route-lookup

MO
0
 
LVL 16
ID: 39898947
Though I'd also mention that you need to be running System software version 8.4.2 or newer.

MO
0
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Author Comment

by:bergquistcompany
ID: 39910896
That worked but why?
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LVL 16

Accepted Solution

by:
Michael Ortega (Internetwerx, Inc.) earned 500 total points
ID: 39916448
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Author Closing Comment

by:bergquistcompany
ID: 39919288
awesome thanks
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