CISCO 1841路由器采用ADSL拨号上网的问题
配置完adsl后,发现有些网站不能正常打开,但是能正常ping通,此问题是由于Cisco 1841路由器IP数据包分片问题.在端口配置模式下输入以下命令:
ip tcp adjust-mss 1452
问题解决!
interface FastEthernet0/0
description to_modem
no ip address
duplex auto
speed auto
pppoe enable group global
pppoe-client dial-pool-number 1
interface Dialer1
ip address negotiated
ip nat outside
ip virtual-reassembly
encapsulation ppp
ip tcp adjust-mss 1452
dialer pool 1
dialer-group 1
ppp authentication pap callin
ppp pap sent-username ADSL帐号 password 0 ADSL密码
ip route 0.0.0.0 0.0.0.0 Dialer1
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