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Backup Configuration
XSR(config-if<D2>)#no shutdown
XSR(config-if<D2>)#dialer pool 28
XSR(config-if<D2>)#encapsulation ppp
XSR(config-if<D2>)#dialer called 2501
XSR(config-if<D2>)#ip address 20.20.20.3 255.255.255.0
The following command configures Serial sub-interface 2/0:0:
XSR(config)#interface serial 2/0:0
XSR(config-if<S2/0:0>)#no shutdown
XSR(config-if<S2/0:0>)#encapsulation ppp
XSR(config-if<S2/0:0>)#ip address 30.30.30.3 255.255.255.0
The following command configures Serial sub-interface 2/0:1:
XSR(config)#interface serial 2/0:1
XSR(config-if<S2/0:1>)#no shutdown
XSR(config-if<S2/0:1>)#encapsulation ppp
XSR(config-if<S2/0:1>)#ip address 40.40.40.3 255.255.255.0
Configuration for Backup with MLPPP Bundle
Node A (Backed-up Node) Configuration
The following commands set internal clocking and configure two channel groups with three total
timeslots on T1 sub-interface 1/2:0:
XSR(config)#controller t1 1/2/0
XSR(config-controller<T1-1/2:0>)#clock source internal
XSR(config-controller<T1-1/2:0>)#channel-group 1 timeslots 2
XSR(config-controller<T1-1/2:0>)#channel-group 0 timeslots 1
XSR(config-controller<T1-1/2:0>)#no shutdown
The following commands add a dialer pool member and set the Central Office switch type on BRI
port 1/0:
XSR(config)#interface bri 1/0
XSR(config-if<BRI-1/0>)#isdn switch-type basic-net3
XSR(config-if<BRI-1/0>)#dialer pool-member 22
XSR(config-if<BRI-1/0>)#no shutdown
The following commands add a dialer pool, enable MLPPP, specify Node A to call Node C by
entering Node C's phone number, and map BRI interface 1/0 to Dialer interface 1. The
min-links
command directs the XSR to maintain a minimum of two links over the switched line.
XSR(config)#interface dialer 1
XSR(config-if<D1>)#no shutdown
XSR(config-if<D1>)#dialer pool 22
XSR(config-if<D1>)#dialer string 2500
XSR(config-if<D1>)#encapsulation ppp
XSR(config-if<D1>)#ip address 10.10.10.1 255.255.255.0
XSR(config-if<D1>)#ppp multilink
XSR(config-if<D1>)#multilink min-links 2
The following command configures Serial sub-interface 2/0:0:
XSR(config)#interface serial 2/0:0
XSR(config-if<S2/0:0>)#no shutdown
XSR User's Guide 10-39
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Troubleshooting
