Cabletron Systems Netlink FRX4000, Руководство пользователя

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7-22 FRX4000/FRX6000 4.0 User Guide, Rev 01
When configuring priorities, be careful to consider the types of
traffic being routed on other connections in the node.
Primary/Secondary Name
identifies each end of the connection to the console operator. The software does not
use this information.
Primary/Secondary DLCI
is a logical connection identifier for each end of the PVC.
The DLCIs are defined here. If rate control (CIR, B
C
, B
E
) will be enforced,
be sure to configure those parameters in the frame relay Port record .
Primary/Secondary RLP
is the RLP at each end of the internal connection.
Primary/Secondary Port
is the port at each end of the internal connection.
Configuring Frame Relay Backup Groups
A Frame Relay Backup Group is one or more DLCIs that can act as a backup for one
or more "primary" DLCIs. If a node detects a failure in a primary DLCI connection,
the software will search the backup group configured for the primary DLCI, and will
select the first available DLCI in that group as a backup. The backup will become
operational and will remain in that state until the primary becomes active again. If the
backup fails while in use, the software will check the status of the primary, then (if
necessary) search the primary's backup group for another backup.
Any sessions in progress when a primary DLCI goes down will not be
transferred directly to the backup DLCI, but will be reset, then established
on the backup.
To review existing backup groups, press
[A]
at the Frame Relay Backup Groups Con-
figuration Menu (or
[A], [E], [A]
from the Main Menu).
To configure a backup group, press
[B]
at the Frame Relay Backup Groups Configu-
ration Menu. When prompted, enter a
Frame Relay Backup Group Number
:
1–255
. (The
default is
1
.)