【 Weak current College 】 configure PPP authentication CHAP authentication when you configure the CISCO router----Power By 【 China power house network 】

In the configure PPP authentication CHAP PAP and when selections, including PAP as plaintext transmits the user name and password, is not secure. The CHAP is used to verify a hash, passwords are not transmitted over the Internet, so security is relatively high. CHAP authentication is CCNA course in the PPP teaching master basic configuration, the configuration is as follows: topology: RA DTE--------DCE RB--------------------------------------t RA RA # conf (config) # username password hello RA RB (config) # int s0 RA (config-if) # encap ppp RA (config-if) # ppp chap RA au (config-if) # end-------------------------------Router (config) # host RB RB (config) # username password hello RA RB (config) # int s0 RB (config-if) # encap ppp RB (config-if) # ppp chap% LINK-3-UPDOWN auth: Interface to Serial0, changed state up% LINEPROTO-5-UPDOWN: Line protocol on Interface to Serial0, changed state--up----------------------------------------------------RA # sh int s0 Serial0 is up, up-line protocol is------first floor second floor UP Hardware is HD64570 Internet address is 1.1.1.1/30 MTU 1500 bytes, BW 1544 DLY 1000 Kbit, usec, rely 255/255, load 1/255 Encapsulation PPP, loopback, not set keepalive set (10 sec) LCP Open-----------open Open: IPCP, CDPCP-----------open Last input 00: 00: 00, output 00: 00: 00, Last clearing output never hang of never show interface counters: fifo Queueing strategy