Cisco 3640 with T1 CAS acc-3640-6a#show running-config Building configuration...
Current configuration : 1137 bytes ! version 12.1 no service single-slot-reload-enable service timestamps debug uptime service timestamps log uptime no service passWord-encryption service internal ! hostname acc-3640-6a ! logging rate-limit console 10 except errors ! username dialin password 0 user ! -- Usernames for local authentication of the call. ! -- The client PResents the username/password and the NAS ! -- authenticates the peer. To use AAA with RADIUS or TACACS+, refer to ! -- the document Implementing the Server-Based AAA Subsystem. ip subnet-zero ! no ip finger no ip domain-lookup ! async-bootp dns-server 10.98.1.220 ! -- Specifies (for async clients) the IP address of domain name server. async-bootp nbns-server 10.98.1.221 ! -- Specifies (for async clients) the IP address of WINS server. call rsvp-sync ! controller T1 0/0 ! -- T1 Physical interface controller configuration. ! -- Interfaces are addressed as controller slot/port. ! -- In this example, the NM-1CT1-CSU module is in slot 0. framing esf ! -- Framing for this T1 is Extended Super Frame (ESF). ! -- OBTain this information from the telco. linecode b8zs ! -- Linecoding for this T1. Obtain this information from the telco. ds0-group 0 timeslots 1-24 type e&m-immediate-start ! -- CAS T1 with E&M Immediate Start provided by telco. ! -- Verify your signaling type with your local provider. Prior to Cisco IOS ! -- Software Release 12.0(5)T, this command was known as cas-group. ! interface Ethernet2/0 ip address 10.98.1.51 255.255.255.0 half-duplex ! interface Group-Async1 ! -- This group-async interface is the configuration template for all modems. ! -- Individual async interface do not have to be configured since they ! -- can be cloned from one managed copy. ip unnumbered Ethernet2/0 encapsulation ppp dialer in-band dialer-group 1 !--- Apply interesting traffic definition from dialer-list 1. ! -- Note: The specified dialer-group number must be the same as ! -- the dialer-list number; in this example, defined to be "1". ! -- Interesting traffic specifies the packets that should reset the idle timer. dialer idle-timeout 600 ! -- Sets Idle timer to 600 seconds (10 minutes). async mode dedicated ! -- Allows only PPP dialup. Prevents users from establishing ! -- an "EXEC session" to the router. If the async interface is to answer ! -- different connection types (exec,ppp,slip etc), ! -- use async mode interactive in conjunction with autoselect ppp ! -- under the line configuration to auto detect the connection type. peer default ip address pool dialin ! -- Clients are assigned addresses from the ip address pool named "dialin". ppp authentication chap pap group-range 33 56 ! -- Modems 33 through 56 are members of this group async interface. ! -- This range was determined in the section Pre-configuration Tasks. ! ip local pool dialin 10.98.1.15 10.98.1.39 ! -- IP address pool for dialin clients. ip classless ip route 0.0.0.0 0.0.0.0 10.98.1.1 no ip http server ! dialer-list 1 protocol ip permit ! -- Specifies all IP traffic as interesting. Interesting traffic ! -- specifies the packets that should reset the idle timer. ! -- This is applied to interface Group-Async 1 using dialer-group 1. ! -- Note: The specified dialer-list number must be the same as the ! -- dialer-group number; in this example, defined to be "1". ! dial-peer cor custom ! line con 0 transport input none line 33 56 ! -- TTY lines for the NM-24DM Modems. ! -- This line range was determined in the section Pre-configuration Tasks. modem InOut ! -- Support incoming and outgoing modem calls. transport input all line aux 0 line vty 0 4 login ! end