(2012-09-06 07:43:22)
最近我在调试一个网络,该网络使用一对二方式.
其中一个远端A与Internet互连,中心点与另外一个远端B通过该远端A连入Internet. 并且三点之间内部互通.
现三地之间用三台Cisco互连,能正常工作.
但是现需要备份中心点与两个远端之间的通信线路.
计划采用ISDN拨号备份.
ISDN Configuration Example - IP
-----------------------------------------------------------
Sample Configuration for C2503
C2503#wr t
######
Current configuration:
!
version 10.2
!
hostname C2503
!
enable password test
!
username C4000 password cisco (See username explanation in the followi
ng
section.)
isdn switch-type basic-dms100
!
interface Ethernet0
ip address 172.16.10.1 255.255.255.0
!
interface Serial0
no ip address
shutdown
!
interface Serial1
no ip address
shutdown
!
interface BRI0
ip address 172.16.20.1 255.255.255.0
encapsulation ppp
bandwidth 56
dialer idle-timeout 300
dialer map ip 172.16.20.2 name C4000 speed 56 broadcast 14155551234
dialer map ip 172.16.20.2 name C4000 speed 56 broadcast 14155556789
dialer hold-queue 5
dialer load-threshold 100
dialer-group 1
isdn spid1 408555432101 5554321
isdn spid2 408555987601 5559876
ppp authentication chap
!
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