Skip to Main Content
Building Cisco Remote Access Networks
book

Building Cisco Remote Access Networks

by Wayne Lawson
November 2000
Intermediate to advanced content levelIntermediate to advanced
608 pages
16h 50m
English
Syngress
Content preview from Building Cisco Remote Access Networks
Using ISDN and DDR to Enhance Remote Access Connectivity • Chapter 5 191
Figure 5.26 The debug isdn q921 command.
Router1#debug isdn q921
ISDN Q921 packets debugging is on
02:47:01: %LINK-3-UPDOWN: Interface BRI0:1, changed state to down
02:47:01: %LINK-3-UPDOWN: Interface BRI0:2, changed state to down
02:47:02: %LINK-3-UPDOWN: Interface BRI0, changed state to up
02:47:02: ISDN BR0: TX -> SABMEp sapi = 0 tei = 79
02:47:02: ISDN BR0: RX <- IDREM ri = 0 ai = 127
02:47:02: ISDN BR0: RX <- IDCKRQ ri = 0 ai = 79
02:47:02: %ISDN-6-LAYER2DOWN: Layer 2 for Interface BRI0, TEI 80
changed to down
02:47:02: %ISDN-6-LAYER2DOWN: Layer 2 for Interface BRI0, TEI 79
changed ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Cisco OSPF Command and Configuration Handbook

Cisco OSPF Command and Configuration Handbook

Ph.D. - CCIE #2969 William R. Parkhurst

Publisher Resources

ISBN: 9781928994138