ISDN Archives

Configuring Basic ISDN with Interesting Traffic

Posted August 25, 2009July 23, 2018 Jay9 CommentsPosted in Access-Lists, ISCW, Routing, WAN

When configuring ISDN with interesting traffic, it’s important to first understand how Cisco defines ‘interesting’ and what this means in terms of the connection been formed. Interesting traffic is traffic that we define in the form of an access-list that is allowed to cause the ISDN to dial. This does NOT mean it is the […]

ISDN Switch-type

Posted August 24, 2009July 23, 2018 Jay7 CommentsPosted in ISCW, Routing, WAN

In order for any ISDN lines to establish Layer-1 connectivity the switch-type has to be defined correctly. The switch-type is very much country dependant so it’s also important to memorize the switch-type that applies to where you do most of your installations. If Layer-1 is showing ‘Deactivated’ when using the show isdn status command, only […]

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Configuring Basic ISDN with Interesting Traffic

ISDN Switch-type