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Community Member

Can someone from Cisco confirm whether PPTP passthrough is broken?

Our organisation uses the PPTP variant of remote access VPN (via a Microsoft 2000 server). Our remote users are given cisco 827, 837 and most recently 877 routers for their remote access into the network via the Internet.

What we've noticed is that PPTP pass through in at least IOS versions 12.3(8YI3) and up (including all the versions in 12.4 stream) does not work.

This has forced us to delay purchasing additional 857 and 877's for our remote users. On the other hand the 827 and 837 with lower IOS versions do not exhibit the problem.

Can someone from Cisco shed some light on this?

3 REPLIES
Community Member

Re: Can someone from Cisco confirm whether PPTP passthrough is b

I believe 12.4 IOS versions support PPTP?. May I know the IOS versions you have loaded in all your devices?.

Also, i think there is a separate tool in Cisco for checking these compatibilities.

Community Member

Re: Can someone from Cisco confirm whether PPTP passthrough is b

Hi, in the 12.4 stream, I tried the following versions on my 877 but pptp still failed to work:

12.4.6T, 12.4.2T, 12.4.2T1, 12.3.14YT, 12.3.14.YT1

Community Member

Re: Can someone from Cisco confirm whether PPTP passthrough is b

Hi,

I have version 12.4(9)T

I had the same problem, I enabled access rules both inbound and outbound "... permit gre any any" and it now works

Anthony

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