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. Bit flags which are set to one if the checksum, key, and sequence number fields are present, respectively Ver: GRE version number zero Protocol: 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 very recommended to be used as tunnel termination points either. Surprised it doesn’t get more use.

Uploader: Meshicage
Date Added: 10 September 2008
File Size: 41.78 Mb
Operating Systems: Windows NT/2000/XP/2003/2003/7/8/10 MacOS 10/X
Downloads: 45708
Price: Free* [*Free Regsitration Required]

GRE vs IPIP Tunneling –

Author an expert advice article or convert your forum accepted solution into a “how-to” article. Tunnel key optional Sequence Number: He is known for his blog and cheat sheets here at Packet Life.

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. You can reach him by email or follow him on Twitter. I am wondering if you could direct me to some type of open source code that would allow me to encapsulate one packet type within another – either using GRE or IP-in-IP – I would like to look at both otpions.


Message 2 of 6 22, Views. IP-in-IP encapsulation is exactly what it sounds like: My IPv6 traffic all worked fine untill I upgraded to Additional GRE options can be turned on and off independently of one another: Arlester Christian guest October 8, at 2: Most transport will expect an MTU of Surprised it doesn’t get more use.

Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. I tested both, and ip over ip tunnel has not keepalive option.

Advanced Routing Tools iproute2ftp: Ideally I would like a matrix:. Bit flags which are set to one if the checksum, key, and sequence number fields are present, respectively Ver: Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Ideally I would like a matrix: Packet checksum optional Key: But you get no stateful inspection, etc. GRE on most platforms is in software right?

Configuration example and guide Thnnel, you can give the interface a more meaningful name than mytun if you like.


Solved: IP-over-IP tunnel. Configuration example and guide – J-Net Community

In fact, if you specify a wrong tunnel destination i, the tunnel will be always up. I suspect a lot of people using IPv6 today on SRXs are testing it out and putting it through its paces before deployment with HE tunnels, so now they have no way of testing those new IPv6 features. Ray Soucy guest March 6, at Stay ahead with the world’s most comprehensive technology and business learning platform. Message 3 of 6 20, Views. Message 4 of 6 19, Views.

Before we rush right into our first tunnel, you need a copy of the advanced routing tools specifically the ip utility. For node 1 sending to node 2: Kam guest February 27, at 8: There are two threads about this in the SRX forum Message 5 of 6 16, Views. I need to do the same thing ipip tunnel on a J