Chapter 5: OSPF with Multiple Areas

Commands:

5.3.3 Configuring an ISDN BRI

Selecting the ISDN Switch Type
Router(config)#isdn switch-type switch type
Router(config-if)#isdn switch-type switch type

Configuring the Interface

Setting the Service Profile Identifiers (SPID), If Necessary
Router(config-if)#isdn spid1 spid-number [ldn]
Router(config-if)#isdn spid2 spid-number [ldn]

Setting the Encapsulation Protocol
Router(config-if)#encapsulation [ppp | hdlc]
Router(config-if)#ppp authentication [chap | pap]

 

5.4.2 Initiating Connections

Defining what Constitutes Interesting Traffic
Router(config)#dialer-list dialer-group-number protocol protocol-name {permit | deny}
Router(config)#access-list access-list-number [permit | deny]{protocol | protocol- keyword}{source source-wildcard | any}{destination destination-wildcard | any}[protocol-specific-options] [log]
Router(config)#dialer-list dialer-group list access-list-number

 

5.4.3 Assigning the Dialer-List to an Interface

Router(config-if)#dialer-group group-number

Defining Destination Parameters
Router(config-if)#dialer map protocol next-hop-address [name hostname] [broadcast] dial-string

 

5.4.4 Defining Optional Call Parameter

Router(config-if)#dialer idle-timeout seconds
Router(config-if)#dialer fast-idle seconds
Router(config-if)#dialer load-threshold load [outbound | inbound | either]

 

5.5.2 -
5.5.3
Static Route -
Default Route

router(config)#ip route dest.-network dest.-mask next-hop-address
router(config)#ip default-network network-address
router(config)#ip default-gateway

 

5.5.4 Setting Route Redistribution

router(config-router)#redistribute static

 

5.5.5 Deactivating Routing Updates 

router(config-if)#passive-interface interface interface-number

 

5.6.2 Cisco Proprietary BOD

Router(config-if)#dialer load-threshold load

 

5.6.4 Multilink PPP

Router(config-if)#dialer load-threshold load [inbound | outbound | either
Router(config-if)#ppp multilink
Router(config)#isdn caller

 

5.6.5 Called-Party Number Answering

Router(config-if)#isdn answer1 [called-party-number][:subaddress]
Router(config-if)#isdn answer2 [called-party-number][:subaddress]

 

5.6.6 ISDN Rate Adaptation

Router(config-if)#dialer map protocol next-hop-address[name name] [speed speed] [broadcast] dial-string

 

5.7 Monitoring the ISDN Interface

router#show interface interface interface-number
router#show isdn status status {memory | timers | services}
router#show ppp multilink
router#debug dialer

 

5.7.4 Troubleshooting Multilink PPP

router#debug ppp multilink
router#debug ppp negotiation
router#debug ppp authentication
router#debug isdn events

 

5.7.5 ISDN debug Commands

router#debug isdn q921
router#debug isdn q931
router#debug isdn event
router#debug isdn active
router#debug isdn history

 

5.8.2 Selecting the PRI Switch

Router(config)#isdn switch-type [switch type]

 

5.8.3 Selecting the ISDN PRI Controller for Configuration

Router(config)#controller {t1 | e1} {slot/port | unit number}

 

5.8.4 Configuring the Framing, Linecoding, and Clocking of the Controller

Router(config-controller)#framing {sf | esf | crc4 | no-crc4}
Router(config-controller)#linecode {ami | b8zs| hdb3}
Router(config-controller)#clock source {line [primary | secondary] | internal}

 

5.8.5 Additional ISDN PRI Configuration Parameters 

Router(config-controller)#pri-group [timeslots range]
Router(config)#interface serial { slot/port: | unit:}{23 | 15}
Router(config-if)#isdn incoming-voice modem