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IN-14
Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide
OL-10101-02
L
LACP
See EtherChannel
Layer 2 frames, classification with CoS 29-2
Layer 2 interfaces, default configuration 10-9
Layer 2 traceroute
and ARP 31-16
and CDP 31-16
described 31-16
IP addresses and subnets 31-16
MAC addresses and VLANs 31-16
multicast traffic 31-16
multiple devices on a port 31-17
unicast traffic 31-16
usage guidelines 31-16
Layer 3 packets, classification methods 29-2
Layer 3 parameters of ACEs 28-10
Layer 4 parameters of ACEs 28-10
LDAP 5-3
leave processing, IGMP 20-10
lightweight directory access protocol
See LDAP
line configuration mode 2-3
link
qualification of 12-16
SNR 12-16
Link Aggregation Control Protocol
See EtherChannel
link guidelines, CPE Ethernet 12-10
link monitor, LRE 12-19
links, unidirectional 22-1
login authentication
with RADIUS 8-23
with TACACS+ 8-14
login banners 7-17
log messages
See system message logging
loopback detection
configuring 10-15
loop guard
described 15-13
enabling 15-20
support for 1-5
LRE environment
guidelines 12-9
troubleshooting 31-17
LRE interleave delay 12-19
LRE link
monitor 12-19
persistence 12-19
LRE links
See LRE ports
LRE message logging 12-7
LRE ports
configuring
assigning a global sequence 12-13
assigning a port sequence 12-13
assigning a private profile 12-12
assigning a public profile 12-12
assigning the default profile 12-12
CPE Ethernet links
Cisco 575 LRE CPE considerations 12-11
Cisco 585 LRE CPE considerations 12-11
described 12-2, 12-6
duplex mode 12-11
flow control 12-11
speed 12-11
statistics 12-7
described 12-1
link qualification 12-16
LRE links
considerations 12-9
described 12-2
statistics 12-10
preventing loss of data 12-11