Avaya Media Gateway G350 User Manual page 231

Table 76: GRE Tunnel Parameters (continued)
Field
Remote IP
DSCP
Interface MTU
Path MTU
Discovery
Tunnel MTU
Hop Limit
Verify Checksum
Key Mode
Key
Aging Timer
Description
The IP address of the remote endpoint of the tunnel.
Note:
The local IP and remote IP must be different.
Note:
The offset to the DSCP value in the encapsulation header, which is
used to show the difference between encapsulated traffic and regular
traffic on a physical interface. Possible values are:
No Change
●
An integer between
●
The current Maximum Transmission Unit for the physical interface
through which tunnel packets are sent.
Note:
This field is read-only.
Note:
When checked, the device actively polls the next hop device for MTU
value.
The Maximum Transmission Unit for the tunnel.
Note:
This field is read-only.
Note:
Note:
This field is only active when Path MTU Discovery is
Note:
active.
Maximum number of intervening devices between two endpoints of an
IP tunnel.
When checked, the Avaya G250/G350/G450 verifies the checksum
value in IP headers of packets traveling over the tunnel.
When checked, a shared key is used for envcrypting traffic over an IP
tunnel.
The shared key for encrypting traffic over an IP tunnel.
The number of minutes Path MTU Discovery is aged. Default: 10. A
value of 0 indicates Aging Timer is disabled.
Note:
Aging Timer can only be changed if Path MTU
Note:
Discovery is set.
0 - 63
Configuring GRE Tunneling
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Issue 5 October 2007 231