Кстати линии и интерфейсы настроены всё по букварю:
interface Group-Async1
bandwidth 115200
ip unnumbered Loopback0
no ip directed-broadcast
encapsulation ppp
ip tcp header-compression passive
async mode interactive
peer default ip address pool mypool2
fair-queue 64 256 0
no cdp enable
ppp authentication pap chap
ppp timeout ncp 60
group-range 1 16
!
line 2 8
autoselect ppp
modem answer-timeout 90
modem InOut
modem autoconfigure type usr_sportster
transport input all
transport output none
escape-character BREAK
speed 115200
flowcontrol hardware