Changing default IGMP version in Windows XP

Not so long ago, i hat to deal with IGMP, IP Multicast and Video on demand.
For test purposes it was necessary to change Windows XP’s default behaviour regarding the IGMP version used (WinXP uses IGMPv3 by default, i needed IGMPv2).
Perform the following registry change…

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters]
Add the DWORD IGMPVersion with a hex-Value of 3 (for IGMPv2) or [...]

Setting up a Cisco router for terminating Microsoft L2TP IPSec sessions

 
For this example i used a Cisco 1841 running c1841-advsecurityk9-mz.124-3i.bin

Remote User connects to gate’s puplic reachable IP with his Microsoft L2TP IPSec client (Windows 2000 and higher)
After successful authentication, the Client gets an IP address from local pool
MS L2TP-IPSec-Client adds a default route over the new PPP interface (but you can deactivate it)

Here’s the template for router [...]

Setting up a Cisco router for terminating Microsoft PPTP sessions

 
For this example i used a Cisco 1841 running c1841-advsecurityk9-mz.124-3i.bin
Explanation:

Remote User connects to gate’s puplic reachable IP with his Microsoft PPTP client (Windows 2000 or higher)
After successful authentication, the Client gets an IP address from local pool
MS PPTP-Client adds a default route over the new PPP interface (but you can deactivate it)

 Here’s the configuration template

aaa new-model
aaa authentication ppp [...]