Manual:Interface/Gre6
From MikroTik Wiki
Applies to RouterOS: v5.11+
Contents
Summary
Sub-menu: /interface gre6
Interface gre6 is a Generic Routing Encapsulation (GRE) tunnel over IPv6 network. It can encapsulate IPv4 or IPv6 network packets and transfer them over the tunnel.
Properties
| Property | Description |
|---|---|
| clamp-tcp-mss (yes | no; Default: yes) | |
| comment (string; Default: ) | Short description of the tunnel. |
| disabled (yes | no; Default: no) | Enables/disables tunnel. |
| dscp (inherit | integer [0-63]; Default: ) | Set dscp value in Gre header to a fixed value or inherit from dscp value taken from tunnelled traffic |
| ipsec-secret (string; Default: ) | When secret is specified, router adds dynamic ipsec peer to remote-address with pre-shared key and policy with default values (by default phase2 uses sha1/aes128cbc). Both local-address and remote-address of the tunnel must be specified for router to create valid ipsec policy. |
| keepalive (integer [1..4294967295]; Default: ) | Tunnel keepalive timeout in seconds. By default keepalive is disabled. |
| l2mtu (integer [0..65536]; Default: 65535) | Layer2 Maximum transmission unit. |
| local-address (IP; Default: ) | IPv6 address that will be used as local tunnel end. |
| mtu (integer [0..65536]; Default: 1476) | Layer3 Maximum transmission unit. |
| name (string; Default: ) | Name of the tunnel. |
| remote-address (IP; Default: ) | IP address of remote tunnel end. |
Example
on router 1:
/interface gre6 add local-address=2001:db8:bad:ee1::a remote-address=2001:db8:f00:baa::b keepalive=5
on router 2:
/interface gre6 add local-address=2001:db8:f00:baa::b remote-address=2001:db8:bad:ee1::a keepalive=5
