Index
IN-39
Software Configuration Guide—Release IOS XE 3.3.0SG and IOS 15.1(1)SG
OL-23818-01
disabling on non-fiber-optic interfaces 30-7
displaying link status 30-9
enabling globally 30-5
enabling per-interface 30-6
modes of operation 30-3
resetting disabled LAN interfaces 30-8
use case 30-2
UDLD, overview 30-1
UDP jitter, configuring 66-9
UDP jitter operation, IP SLAs 66-8
unauthorized ports with 802.1X 44-5
unicast
See IP unicast
unicast flood blocking
configuring
53-1
unicast MAC address filtering
and adding static addresses
4-31
and broadcast MAC addresses 4-30
and CPU packets 4-30
and multicast addresses 4-30
and router MAC addresses 4-30
configuration guidelines 4-30
described 4-30
unicast MAC address filtering, configuring
ACLs
configuring unicast MAC address filtering
51-13
Unicast RPF (Unicast Reverse Path Forwarding)
applying
34-5
BGP attributes
caution
34-4
CEF
requirement
34-2
tables 34-7
configuring 34-9
(examples) ?? to 34-12
BOOTP 34-8
DHCP 34-8
enterprise network (figure) 34-6
prerequisites 34-9
routing table requirements 34-7
tasks 34-9
verifying 34-10
deploying 34-5
description 1-19, 34-1
disabling 34-11
enterprise network (figure) 34-6
FIB 34-2
implementing 34-4
packets, dropping (figure) 34-4
prerequisites 34-9
restrictions
basic
34-8
routing asymmetry 34-7
routing asymmetry (figure) 34-8
routing table requirements 34-7
security policy
applying
34-5
attacks, mitigating 34-5
deploying 34-5
tunneling 34-5
source addresses, validating 34-3
(figure) 34-3, 34-4
failure 34-3
traffic filtering 34-5
tunneling 34-5
validation
failure
34-3, 34-4
packets, dropping 34-3
source addresses 34-3
verifying 34-10
unicast traffic
blocking
53-2
Unidirectional Controlled Port, configuring 802.1X 44-64
unidirectional ethernet
enabling
31-2
example of setting 31-2
overview 31-1
UniDirectional Link Detection Protocol
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