U

Index

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U/D (Up/Down) bit
UDP (User Datagram Protocol)
     ACLs
     header information
unequal-cost load balancing, EIGRP configuration
unequal-cost load sharing
unicast addresses
     global addresses
     updates, configuring
unreachable networks
unspecified addresses
Update process (IS-IS)
update timers, RIP
updates
     EIGRP
     invalid, sources of
     minimizing impact of
     nonperiodic
     RIP
uptime
Urgent Pointer field, TCP
User Datagram Protocol. [See UDP]