Advanced Routing Tools iproute2 , ftp: This can be used to allow clients from the Internet to access private network services, or more generally, to connect to any two private networks together using the Internet to carry the tunnel traffic. Alexandra Stanovska guest February 28, at 2: My IPv6 traffic all worked fine untill I upgraded to Arlester Christian guest October 8, at 2:

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GRE vs IPIP Tunneling

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Wireless Hacks by Rob Flickenger

He is known for his blog and cheat sheets here at Packet Life. For node 1 sending to node 2: Additional GRE options can be turned on and off independently of one another: Packet-based IPv6 will work in Most transport will expect an MTU of Naturally, you can give the interface a more meaningful name than mytun if you like.

Router config interface tun0 Router config-if tunnel mode?

Encapsulated packets reassembled as if they had been originally sent Your response to this is appreciated in advance, Arlester. Only switches may have problems when dealing with GRE tunneling, I think on most lower level switches it’s not even officially supported, and s are not io recommended to be used as tunnel termination points either.


Usually, all or most network traffic is routed down this tunnel, so remote clients appear to exist on the network as if they were local. Ideally I would like a matrix: With Safari, you learn the way you learn best.

Message 1 of 6 22, Views. Surprised it doesn’t get more use.

GRE vs IPIP Tunneling –

Don’t forget to adjust MTU accordingly though. Advanced Routing Tools iproute2ftp: Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Otherwise you’ll end up with some funky MTU issues to troubleshoot. Of course, these features come at a cost of additional overhead; in cases where the extra capabilities of GRE aren’t needed, IPIP will do just fine.

Ideally I would like a matrix:. In – I pick any packet type to be encapsulated Out – I pick what packet type 1 should be encapsulated in At node 2: Alexandra Stanovska guest February 28, at 2: Configuration example and guidelines.


Additional GRE options can be turned on and off independently of one another:. In fact, if you specify a wrong tunnel destination ip, the tunnel will be always up. Stay ahead with the world’s most comprehensive technology and business learning platform.

Tunneling: IPIP Encapsulation – Wireless Hacks [Book]

In gre setup, unless you enter a valid destination, the tunnel will not come up. You can reach him by tunmel or follow him on Twitter. There is no configuration needed on any of your network hosts, as long as they have a default route to their respective router which they definitely should, since it is their router, after all.

In this article, we’ll examine the operation of each, how they differ, and when each should be used. HE IPv6 tunnel in Router config interface tun0 Router config-if tunne, mode gre?

IP-in-IP encapsulation is exactly what it sounds like: