What are different types of VPN and how do Layer 2, Layer and Layer 4 VPNs work ?

[hparikh15]

What are different types of VPN and how do Layer 2, Layer and Layer 4 VPNs work ?

[olpeleri]

Hello,

IPSEC VPN can encapsulate almost anything - U can do xconnect [ l2tpv3 over ipsec ] - that would be layer 2.

For l3/l4 then it's working with anything like tunnel protection

eg

http://www.cisco.com/en/US/docs/ios-xml/ios/sec_conn_vpnips/configuration/xe-3s/sec-ipsec-virt-tunnl.html

Cheers

[jawad-mukhtar]

Please See this thread it will help you and solve your query.

https://learningnetwork.cisco.com/thread/23247