Cabletron Systems Netlink FRX4000, Руководство пользователя

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Configuring Frame Relay 7-3
Figure 7-1 Frame Relay Backup Examples
Although each example shows an FRX4000-to-FRX6000 connection,
connections can be between any two Cabletron frame relay access
devices in the family of FRX, SmartSwitch 1840, and FRM. In an
FRX6000, the primary and backup DLCIs must be on the same RLP,
or a PVC must be configured between the DLCIs.
Example 1
In Example 1, the primary link is between Node 1/Port 2/DLCI 16 and Node 2/RLP
0/Port 0/DLCI 18. The DLCIs should be configured as described below. (The param-
eters are described later in this chapter.) Then if the primary link goes down, a con-
nection will automatically be established between Node 1/Port 0/DLCI 17 and Node
2/RLP 0/Port 4/DLCI 17.
On Node 1, configure the following (as well as other parameters necessary for oper-
ation—this section deals only with the frame relay backup function):
1. Port Configuration (
[A], [C], [A]
from Main Menu) for the primary:
RLP: 0
RLP Port: 2
O Additional Parameters
D Configure DLCI Parameters
DLCI ID: 16
I DLCI Backup Configuration
A
Backup Group Number: 10
(or any unused number except
0
)
B Enable Backup Protocol?: N
E For Backup Use Only: N
Example 1 Node 1
Example 2 Node 1
Example 3 Node 1
2,16
0,17
0,0,18
0,4,17
Node 2
Port,DLCI RLP,Port,DLCI
0,0,18
Node 2
2,16
0,17
2,16
0,17
0,0,18
0,4,17
Node 2
1,3,22 1,4,56
Other
Device
Other
Device