Cabletron Systems 1800 Exam pl e 1

FRM Configuri ng Frame Relay 7-3
Figure 7-1 Frame Relay Backup Examples
Although each example shows a connection between a SmartSwitch
1800 and an FRX6000, connections can be between any two devices
in the family of SmartSwitch 1800, Frame Relay Module (FRM),
FRX400 0, and FR X6000.
Exam pl e 1
In Exam ple 1, the prima ry link is be tween N od e 1/Por t 2/DLCI 16 and Node 2/RLP
0/Por t 0/DLCI 18. The DLC Is should b e confi gured as describ e d below . (The par a m-
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, config ure the fo llowi ng (as we ll as other parame ters nec essar y f or oper-
ation—this section deals only with the frame relay backup function):
1. Port Configurat i o n ([A], [C], [A] from Main Me nu) fo r the p ri mar y :
RLP: 0
RLP Port: 2
O Additional Parameters
D Configure DLCI Parameters
DLCI I D: 1 6
I DLCI Backup Configuration
A Backup Gr oup Number: 10 (or any unused number except 0)
B Enable B ackup 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