User`s guide

99
Outgoing PPP Connection
Outgoing PPP connections are those connections where the ConnectPort LTS product dials-up to an
external modem or ISP. Examples of outgoing PPP connections are typically to automatically
connect to an external ISP network when the main Ethernet network goes down. This is to allow the
device to continue communication on the network or allow connections from the network when the
main Ethernet network is down.
Authentication configuration
- Username: Specifies the username for this connection. The username, along with the
password, are specified by the device when dialing-up to the external modem or ISP. This
username must be unique to the device so that no other incoming PPP connection, outgoing
PPP connection, or system user uses it.
- Password/Confirm Password: Specifies the password for this connection. This is the
password that the device specifies when connecting and logging into the external modem or
ISP.
- Phone Number: Specifies the phone number of the remote system to connect to.
- Authentication: Specifies the type of authentication required by this PPP connection. The
authentication specified here should match the type of authentication as required by the ISP.
NONE: No authentication is required.
CHAP: CHAP (Challenge Handshake Authentication Protocol) provides secure
encrypted authentication. CHAP is used to periodically verify the identity of the peer
using a 3-way handshake. This is done upon initial link establishment and may be
repeated anytime after the link has been established. (See RFC 1334 for further
details.) CHAP authentication will work between two ConnectPort LTS products.
Note: MS-CHAP (Microsoft specific implementation of CHAP) is not supported.
PAP: PAP (Password Authentication Protocol) is used by many ISPs and corporate PPP
servers. PAP provides a simple method for the peer to establish its identity using a 2-
way handshake. This is done only upon link establishment. (See RFC 1334 for further
details.)
Both: This is the recommended default for authentication. CHAP authentication will
work between two ConnectPort LTS products. CHAP will be negotiated to PAP for all
other connections.