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CISCO路由器CHAP認(rèn)證配置
在配置PPP驗(yàn)證時有PAP和CHAP的選擇，其中PAP為明文傳送用戶名和口令，不安全。而CHAP則采用哈希值進(jìn)行驗(yàn)證，口令不會在網(wǎng)上傳送，所以安全性比較高。
CHAP認(rèn)證也是CCNA課程PPP教學(xué)時所需掌握的基本配置，其配置如下：
拓?fù)洌?RA DTE--------DCE RB
--------------------------------------
RA#conf t
RA(config)#username RB password hello
RA(config)#int s0
RA(config-if)#encap ppp
RA(config-if)#ppp au chap
RA(config-if)#end
-------------------------------
Router(config)#host RB
RB(config)#username RA password hello
RB(config)#int s0
RB(config-if)#encap ppp
RB(config-if)#ppp auth chap
%LINK-3-UPDOWN: Interface Serial0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0, changed state to up
------------------------------------------------------
RA#sh int s0
Serial0 is up, line protocol is up -------第一層二層UP
Hardware is HD64570
Internet address is 1.1.1.1/30
MTU 1500 bytes, BW 1544 Kbit, DLY 1000 usec, rely 255/255, load 1/255
Encapsulation PPP, loopback not set, keepalive set (10 sec)
LCP Open -----------打開
Open: IPCP, CDPCP -----------打開
Last input 00:00:00, output 00:00:00, output hang never
Last clearing of show interface counters never
Queueing strategy: fifo
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