3. What is ISDN? Small office telecommuter Central site Provider network Home office Digital PBX Voice, data,video,and special services CSU/DSU CSU/DSU
4. ISDN Standards Issues Protocol Key Examples Telephone Network and ISDN ISDN Concepts, Aspects, And interfaces Switching and Signaling E- Series I- Series Q- Series E.163-International Tlelephone Numbering Plan E.164-International ISDN Addressing 1.100 Series- Concepts, Structures, Terminology 1.400-User-Network Interfaces(UNIs) Q.921-LAPD(Link Access Procedure on the D channel) Standard from the ITU (formerly CCITT)
5. ISDN Access Options Signaling information (LAPD) 16/64 Kbps D Circuit-switched data (HDLC,PPP) 64Kbps B Mostly used for Capacity Cannel NT 1 D 2B D 23 or 30B CSU/DSU Service provider network
6. BRI Call Processing 1 4 3 2 SS7 ISDN service provider B channel(s) D channel/SS7 signaling ISDN switch ISDN switch
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8. Cisco ISDN BRI Interfaces Service provider network NT 1 NT1 NT 2 TA S/T R S0 U bri 0 bri 0 S/T Nonnative ISDN interface-Int serial 0 Native ISDN interface-Int bri 0 TE 1 TE 1 TE 2
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10. Configuring ISDN BRI (cont.) Step 2 : (optional ) Setting SPIDs Router (config_if) # isdn spid 1 spid _number [ idn ] Sets a B channel SPID required by many service providers. Router (config _if) # isdn spid 2 spid _number [ idn ] Sets a SPID for the second B channel
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15. ISDN Task 1: Defining Static Routes (Route to Destination) Subnet 10.40.0.0 10.1.0.1 10.1.0.2 Subnets 10.10.0.0 10.20.0.0 Bri 0 5551000 Bri 0 5552000 Ip route 10.10.0.0 255.255.0.0 10.1.0.1 Ip route 10.10.0.0 255.255.0.0 10.1.0.2 Ip route 10.20.0.0 255.255.0.0 10.1.0.2 Specify address of next hop router Network prefix and prefix mask
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17. Task 3: Configuring the Dialer Information Hostname home isdn switch-type basic-5ess interface BRI0 ip address 10.1.0.1 255.255.255.0 encapsulation ppp dialer idel-timeout 180 dialer map ip 10.1.0.2 name central 5552000 dialer-group 1 no fair-queue ppp authentication chap router rip network 10.0.0.0 no ip classless ip route 10.10.0.0 255.255.0.0 10.1.0.2 ip route 10.20.0.0 255.255.0.0 10.1.0.2 dialer-list 1 protocole ip permit Applies rules defined by dialer- list to individual interfaces. Both values must match.
18. Task 3: Configuring the dialer information (cont) ISDN Interface BRI 0 ip address 10.1.0.1 255.255.255.0 encapsulation ppp dialer idle-timeout 180 dialer map ip 10.1.0.2 name central 5552000 dialer-group 1 no fair-queue ppp authentication chap Number to dial Remote host name used for ppp CHAP 10.1.0.1 10.1.0.2 Bri 0 555 1000 Bri 0 555 2000 Subnets 10.10.0.0 10.20.0.0 How do I get to subnet work 10.10.0.0 ?
19. Lagacy DDR using ACLs conf iguration example Aces-list 101 permit tcp any any eq smtp access-list 101 permit tcp any any eq telnet dialer-l
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