Nortel BCM 3.7, Manual

Page: 697 / 1004

ISDN dial up 697
Programming Operations Guide
6 Configure the ISDN Link Parameters according to the information in the following table.
7 Press the TAB key to save the settings.
8 Click the ISDN Access Parameters tab.
The ISDN Access Parameters screen appears.
9 Configure the ISDN Access Parameters according to the information in the following table.
Table 189 ISDN link parameters
Attribute Description
Dial Retries Enter the number of times the systems attempts to connect before considering the connection
non operational.
The default value is 3 .
Dial Interval Enter the interval, in seconds, between connection attempts.
The default value is 60 .
IP Header
Compression Enable or disable IP header compression. The feature must be enable at both ends of the
connection.
The default value is Enabled .
Software
Compression Enable or disable software compression. When enabled, all dial-up connections use Microsoft
Point-to-Point Compression (MPPC).
The default value is Disabled .
PPP LCP
Extensions Enable or disable the following PPP Link Control extensions: Time-Remaining and Identification.
The default value is Enabled .
Disconnect Time Enter the interval, in seconds, during which the ISDN interface disconnects when there is no
traffic.
If you select PersistentConnection , the ISDN interface will not disconnect.
Note : If you have more than one Trap Community Entry configured with this dial up interface,
using a very small number for the Disconnect Time will put you at risk of a racing condition. To
reduce the racing condition, enter a larger value for the Disconnect Time.
DNS Address 1 Enter the IP address of the Primary DNS server that this interface will use.
Select NoNameServerAddressesUsed if you do not want this interface to use a DNS server.
Note : If you select NoNameServerAddressesUsed , this setting is automatically set in DNS
Address 2 box.
DNS Address 2 Enter the IP address of the Secondary DNS server that this interface will use.
Select NoNameServerAddressesUsed if you do not want this interface to use a DNS server.
Protocol Select the protocol that this ISDN interface uses. You can choose TCP/IP .
Table 190 ISDN access parameters
Attribute Description
Authentication Select the authentication type for the link. The options are AllowClearText or EncryptedOnly .
AllowClearText : When selected, the CHAP is used first and if the receiving end of the link
declines, PAP is used to authenticate the link.
EncryptedOnly : When selected, only encrypted authentication such as CHAP is used on this
interface during PPP authentication process.
Two Way
Authentication Enable or disable link authentication in both directions.
The default value is Disabled .