Configure dhcp/bootp relay, Configure the dial backup connection – Enterasys Networks XSR-3020 User Manual
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Frame Relay WAN Link with PPP Backup Sample Configuration
XSR Getting Started Guide 3-25
XSR(config)#access-list 125 deny ip host 192.168.1.15 any
XSR(config)#access-list 125 permit ip 192.162.2.0 0.0.0.255 any
XSR(config)#access-list 125 permit ip 192.162.2.0 0.0.0.255
XSR(config)#interface fastethernet 1
XSR(config-if<F1>)#ip access-group 125 in
XSR(config-if<F1>)#ip access-group 125 out
Configure DHCP/BOOTP Relay
XSR(config)#interface gigabitethernet 1
+
Adds GigabitEthernet port 1 and acquires Interface mode
XSR(config-if<G1>#ip helper-address 192.168.1.120
+
Marks destination IP address for UDP broadcasts
Configure the Dial Backup Connection
XSR(config)#interface serial 1/0
+
Adds serial port 1 and acquires Interface mode
XSR(config-if<S1/0>)#encapsulation ppp
+
Enables PPP encapsulation
XSR(config-if<S1/0>)#ip address 192.31.27.80 255.255.255.0
+
Sets the IP address on the interface
XSR(config-if<S1/0>)#backup interface dialer 1
+
Adds a backup dialer interface
XSR(config-if<S1/0>)#backup delay 2 2
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Sets the interval that elapses after the primary interfaces fails and comes up
XSR(config-if<S1/0>)#no shutdown
+
Enables the interface
XSR(config)#interface serial 2/0
+
Adds serial port 2 and acquires Interface mode
XSR(config-if<S2/0>)#dialer pool-member 1
+
Adds a dial pool member
XSR(config-if<S2/0>)#physical-layer sync
+
Sets synchronous mode
XSR(config-if<S2/0>)#no shutdown
+
Enables the interface
XSR(config)#int dialer 1
+
Adds dialer interface and acquires Dialer Interface mode
XSR(config-if<D1>)#encapsulation ppp
+
Enables PPP encapsulation
XSR(config-if<D1>)#ip address 192.31.27.84 255.255.255.0
+
Sets the IP address on the interface
XSR(config-if<D1>)#dialer string 4165557922
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Sets dialer phone #
XSR(config-if<D1>)#dialer wait-for-carrier 30
+
Specifies the period the XSR will wait for a connection from the service provider
XSR(config-if<D1>)#di pool 1
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Specifies the dial pool from which calls originate
XSR(config-if<D1>)#no shutdown
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Enables the dial interface