网络如下：
         ROUTER1------------CBX500----------B9K------------ROUTER2
                1 55M ATM接口        TRUNK        2M FR接口
CBX500和B9K是LUCENT的ATM交换机
配置如下：                                                   说      明
router1:
      interface ATM4/0
        mtu 1500
        no ip address
        atm sonet stm-1
        no atm ilmi-keepalive
      !
      interface ATM4/0.1 point-to-point
        mtu 1500
        ip address 10.1.1.1 255.255.255.252
        pvc ceshi  8/100                                  名称：ceshi ;   vpi/vci: 8/100
           vbr-nrt 2048 2048 36                           pcr:2048;  scr:2048;  mbs:36
           oam retry 10 5 1
           encapsulation aal5snap

router2
      int serial0/0
        mtu 1500
        ip add 10.1.1.2 255.255.255.252
        encapsulation frame-relay ietf                     封装帧中继类型为：IETF
        frame-relay map ip 10.1.1.1 100 broadcast          本地DLCI=100
        frame-relay lmi-type ansi                          LMI类型为ansi