Command Reference Guide

3Com Router 3000 Ethernet Family
Command Reference Guide Chapter 1 PPP and MP Configuration Commands
3Com Corporation
1-7
Parameter
username: User name of CHAP authentication, which is the one sent to the peer
equipment to be authenticated. username is a string of 1 to 80 characters.
Description
Use the ppp chap user command to configure the user name when performing the
CHAP authentication.
Use the undo ppp chap user command to delete the existing configuration.
By default, the user name of the CHAP authentication is blank.
While configuring CHAP authentication, you should configure the username of each
end as the local-user of the peer end, and configure the corresponding password
accordingly.
Related command: ppp authentication-mode, local-user.
Example
# Configure the local user name as Root when CHAP authentication is performed on
interface Serial0/0/0.
[3Com-Serial1/0/0] ppp chap user Root
1.1.7 ppp ipcp dns
Syntax
ppp ipcp dns primary-dns-address [ secondary-dns-address ]
undo ppp ipcp dns primary-dns-address [ secondary-dns-address ]
View
Interface view
Parameter
primary-dns-address: Address of the primary DNS server.
secondary-dns-address: Address of the secondary DNS server.
Description
Use the ppp ipcp dns command to enable the router to allocate a DNS address to the
peer.
Use the undo ppp ipcp dns command to disable the router to allocate a DNS server
address to the peer.
By default, the router does not allocate DNS server addresses.