U

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