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Example 3: Configuring Frame Relay
Example 4: Configuring PPP
Testing Interfaces
Copyright © 2010, Juniper Networks, Inc.
Configure a TU-12 on TUG-2 #4 on TUG-3 #1 of path 30.
8.
host1(config-controller)#path 30 e1 1/4/1 tu12
Configure an unframed E1 line on tributary 1/4/1 of path 30.
9.
host1(config-controller)#path 30 e1 1/4/1 unframed
The following example illustrates how to configure Frame Relay on VT 1/7/4 in path 2 of
the configuration shown in Figure 11 on page 137.
Select the interface on which you want to configure Frame Relay.
1.
host1(config)#interface serial 4/0:2/1/7/4/1
Specify Frame Relay as the encapsulation method on the interface.
2.
host1(config-if)#encapsulation frame-relay ietf
Configure the interface as a DTE, DCE, or NNI.
3.
host1(config-if)#frame-relay intf-type dce
The following example illustrates how to configure PPP on VT 1/2/2 in path 2 of the
configuration shown in Figure 11 on page 137.
Select the interface on which you want to configure PPP.
1.
host1(config)#interface serial 4/0:2/1/2/2/1
Specify PPP as the encapsulation method on the interface.
2.
host1(config-if)#encapsulation ppp
Testing interfaces allows you to troubleshoot problems and to check the quality of links
at various layers in the interface stack. The router supports the following test options:
Transmission of BERT patterns to remote devices
Receipt of BERT patterns from remote devices
Local loopback—The ability to loop the data back toward the router; on supported line
modules, also sends an alarm indication signal (AIS) out toward the network
Network loopback—The ability to loop the data toward the network before the data
reaches the frame
Remote loopback, which provides:
The ability to request that remote devices enter into loopback
The ability to be placed in loopback by remote devices
Connectivity tests to remote devices
Chapter 4: Configuring Channelized OCx/STMx Interfaces
139
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