User`s guide

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Management > Network Status > Interfaces > GRE
This page displays a summary table of the configured GRE interfaces.
#
This indicates GRE interface number.
Description
The configured GRE interface description.
Oper. Status
The current operational status of the GRE interface. It can be one of the following values
Up
The GRE interface is up.
Lower Layer Down
The GRE interface has keepalives enabled but is not getting any
response from the configured destination.
IP Address
The configured IP address for the GRE interface.
Mask
The configured IP subnet mask for the GRE interface.
Source
The configured source IP address or interface of the GRE interface.
Destination
The configured destination IP address or domain name of the GRE interface.
Further information on particular GRE interfaces can be obtained by selecting the
appropriate GRE interface submenu underneath the GRE summary table.
As well as the above information, the following statistics are also displayed.
Bytes Received
The number of bytes that have been received on the GRE interface.
Bytes Sent
The number of bytes that have been sent on the GRE interface.
Packets Received
The number of packets that have been received on the GRE interface.
Packets Sent
The number of packets that have been sent on the GRE interface.
Keepalives Received
The number of GRE keepalive packets that have been received on the GRE interface.