User`s guide

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Keepalives Sent
The number of GRE keepalive packets that have been sent on the GRE interface.
Rx Errors
The number of receive errors that have occurred on the GRE interface. These can include
the received being an invalid GRE packet.
Tx Errors
The number of transmit errors that have occurred on the GRE interface. These can include
an internal error due to no packet buffers being available.
Rx Unknown
The number of packets that have been received with an unknown IP protocol and have been
dropped.
Tx Discards
The number of packets that have been discarded during transmission due to the GRE
interface not being up or if a routing loop has been detected.
Related CLI Commands
Entity
Instance
Options
Equivalent Web Parameter
tunstat n n/a Displays the GRE interface specific status and statistics.
tunstat n clear Clears the statistics for the GRE interface.
Management – Network Status > Interfaces > ISDN > ISDN BRI
This section contains the status information for the ISDN interface. The status information is
presented as a simple table having three or four columns as described below:
Channel
There are three supported channels; the D-channel, B1 and B2 channels that appear in this
column. Each channel row has an associated status, protocol and (for data channels) action.
The Action column will only appear when the associated channel becomes active.
Status
The status of each channel is shown in this column. The status is either ON or OFF.
Protocol
The protocol in use by the channel is shown in this column. This should be as set up in the
configuration procedure. For D-channels, this will be LAPD. If the associated channel is not
active, this entry will be blank.
Action
When the link becomes active, a button should appear in this column. The text on the
button will be “Drop Link”. Clicking the button will deactivate the channel.
Related CLI Commands
If a PPP instance has been associated with a B-channel, the statistics for that PPP instance
will be available using the normal
pppstat command.