Enterasys Networks X-Pedition XSR CLI - Manual (Page 357)

PPP Commands
XSR CLI Reference Guide 8-87
Syntax of the “no” Form
The no form of this command disable PPP authentication:
no ppp authentication
Default
Not enabled
Mode
Interface configuration: XSR(config-if<xx>)#
Example 1
Figure 8‐1 shows two routers, Site A and Site B, attempting to authenticate each other using
CHAP. The configuration example follows.
Figure 8-1 Authentication Configured on Both Peers
Figure 8‐1 shows both routers send challenges and responses and either a failure or success. The
following sample configuration illustrates the preceding example. On Site A, enter the following
commands:
XSR(config)#interface serial 1/0
XSR(config-if)#encapsulation ppp
XSR(config-if)#no shutdown
XSR(config-if)#ppp authentication chap
On Site B, enter the following commands:
XSR(config)#interface serial 1/1
XSR(config-if)#encapsulation ppp
XSR(config-if)#no shutdown
XSR(config-if)#ppp authentication chap
ms-chap pap chap Preference of MS‐CHAP authentication, then PAP authentication, then CHAP.
ppp chap
Site A
(Serial Interface 1/0)
Site B
(Serial Interface 1/1)
Challenge - ID 4 Challenge - ID 8
Response - ID 8 Response - ID 4
Success/Failure - ID 4 Success/Failure - ID 8
ppp chap