Layer 2 Ethernet transport over OpenVPN
- Tony Mattke
- Routing
- May 14, 2009
- 1 min read
One of the things I used to deploy frequently at my previous position was transport for other ISPs and businesses. Since MPLS support is in its infancy on the Imagestream platform, and was yet to be deployed at the time, this is what I came up with. The configuration is quite simple, setup an OpenVPN tunnel across your network, and bridge a vlan or interface to it. Simple, right?
Here is one side of the config…
text
!
interface Tunnel100
description Customer Transit
tunnel mode openvpn
tunnel options --passtos
tunnel source 10.1.32.1 9876
tunnel destination 10.12.54.1 9876
tunnel key 8df4234bc8e
ip pim sparce-mode
bridge-group 100 spanning-disabled
!
interface Ethernet4
description Customer Transit Interface
bridge-group 100 spanning-disabled
!Mirroring this configuration on the remote side will complete the transport… If you have any questions or problems implementing this, please leave a command I can attempt to assist you.
