You must understand each line of this output. Spid1 configured, spid1 sent, spid1 valid Endpoint ID Info: epsf = 0, usid = 0, tid = 1 TEI 105, ces = 2, state = 5(init) TEI = 96, Ces = 1, SAPI = 0, State = MULTIPLE_FRAME_ESTABLISHED TEI = 105, Ces = 2, SAPI = 0, State = MULTIPLE_FRAME_ESTABLISHED TEI 96, ces = 1, state = 5(init) ISDN BRI0 interface dsl 0, interface ISDN Switchtype = basic-ni Layer 1 Status: The terminal endpoint identifiers (TEIs) are successfully negotiated, and the ISDN Layer 3 is ready to make or receive calls.Įxample 13-2 All Layers of ISDN Are Active
In Example 13-2, Layer 1 is active and Layer 2 is in a MULTIPLE_FRAME_ESTABLISHED state. The #show isdn status output in Example 13-2 is of a properly functioning BRI circuit. If you feel confident enough, use it but when you use it on the core router, limit the duration to less than ten minutes and turn it off. This command requires a detailed understanding of the messages on the screen and generates significant output. NOTE The dynamics of ISDN events can be seen using the powerful command 804-isdn# debug isdn events.
#Edgeview debug isdn free
Spid2 configured, spid2 sent, spid2 valid Endpoint ID Info: epsf = 0, usid = 1, tid = 1 Layer 3 Status:Ġ Active Layer 3 Call(s) Active dsl 0 CCBs = 0 The Free Channel Mask: 0x80000003 Total Allocated ISDN CCBs = 0 804-isdn# TEI = 96, Ces = 1, SAPI = 0, State = TEI_ASSIGNED TEI = 105, Ces = 2, SAPI = 0, State = TEI_ASSIGNED TEI 96, ces = 1, state = 3(await establishment) spid1 configured, spid1 sent, spid1 valid Endpoint ID Info: epsf = 0, usid = 0, tid = 1 TEI 105, ces = 2, state = 1(terminal down) Global ISDN Switchtype = basic-5ess ISDN BRI0 interface dsl 0, interface ISDN Switchtype = basic-ni Layer 1 Status: The first layer of this IOS-based router is active, but the second layer negotiation is still in progress. Example 13-1 shows an ISDN line in the activation stage. One of the most useful IOS commands for ISDN troubleshooting is show isdn status, which provides a snapshot of all layers of the service.
#Edgeview debug isdn how to
Take time to help the user (if necessary) by teaching him or her how to use the telnet session or the console connection to the router. Your best chance is to work with the remote user. If the remote user's ISDN is not functioning correctly, you cannot telnet to the router.
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