Troubleshooting Remote Access Networks (CCIE Professional Development)

Index

[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z]

U-plane (ISDN)

U-plane ( user )

     Frame Relay service architecture

UHF

     multiple frequency operation

     synthesized radio technology

UHF ( ultra -high frequency) narrowband

UNI

     bearer services 2nd

     LMI

         Annex D

         Cisco-Consortium 2nd

         ITU-T Q.933 Annex A

Unity client

     data not passing, causes of

         bad ISP connections 2nd

         default MTU size;VPNs:data not passing, causes of:default MTU size 2nd

         dropped connections

         inaccessible internal domain 2nd 3rd

         inaccessible internal domain;VPNs:data not passing, causes of:inaccessible internal domain

         NAT

     extranet issues

         dead peer detection 2nd

         ESP 50

         tunnel keepalives

         UDP 500 ISAKMP

    failed authentication, causes of

         bad group name 2nd

         DNE Miniport 2nd

         misconfigured firewalls 2nd

         MTU setting too high 2nd 3rd 4th 5th

         MTU setting too high;VPNs:failed authentication, causes of:MTU setting too high

         MTU setting too low

         RADIUS 2nd

    inaccessible internal domain, causes of

         WINS 2nd 3rd

    PPPoE problems, causes of

         IOS configuration

         IOS configuration;VPNs:PPPoE problems, causes of:IOS configuration 2nd

         software 2nd 3rd 4th

    preliminary troubleshooting steps

         creating profiles

Unity client preliminary troubleshooting steps

     verifying client installation

     verifying Internet connection 2nd 3rd

Unity clients

     Concentrator Event Log 2nd 3rd

         event classes 2nd 3rd

         event security levels 2nd

     Event Log Viewer

         Client Log Viewer, starting

         ISAKMP

         reviewing captured data 2nd 3rd 4th 5th 6th 7th 8th 9th

         reviewing captured data;Cisco VPN Unity client:Event Log Viewer:reviewing captured data;VPNs:Cisco Unity client:Event Log Viewer;captured Log Viewer results:viewing;viewing:captured Log Viewer results

     incompatible GINAs 2nd

     restrictions 2nd 3rd 4th

     troubleshooting checklist 2nd 3rd

unprotected band (RF)

upper-layer protocol negotiation

     NCPs 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th 12th 13th 14th 15th 16th 17th

         CCP 2nd

upper-layer protocols

     Frame Relay interoperability

         encapsulation

         fragmentation 2nd

         multiprotocol support 2nd

upstream PIM neighbor availability

     verifying on Frame Relay networks 2nd 3rd 4th

user authentication

     remote access VPNs

user participation

     troubleshooting ring options 2nd 3rd 4th

user-managed services 2nd

user/identity authentication 2nd

UWB (ultra wideband) technology