Dell PowerConnect B-FCXs Configuration Manual page 11

PowerConnect B-Series FCX Configuration Guide
53-1002266-01
Chapter 11 Configuring Uni-Directional Link Detection (UDLD) and Protected
Link Groups
UDLD overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .383
Protected link groups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .388
Chapter 12 Configuring Trunk Groups and Dynamic Link Aggregation
Trunk group overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .393
Configuring a trunk group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .400
Displaying trunk group configuration information . . . . . . . . . . . . .408
UDLD for tagged ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .384
Configuration notes and feature limitations . . . . . . . . . . . . . .384
Enabling UDLD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .385
Enabling UDLD for tagged ports . . . . . . . . . . . . . . . . . . . . . . . .385
Changing the Keepalive interval . . . . . . . . . . . . . . . . . . . . . . . .385
Changing the Keepalive retries . . . . . . . . . . . . . . . . . . . . . . . . .386
Displaying UDLD information . . . . . . . . . . . . . . . . . . . . . . . . . .386
Clearing UDLD statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .388
About active ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .389
Using UDLD with protected link groups . . . . . . . . . . . . . . . . . .389
Configuration notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .389
Creating a protected link group and assigning
an active port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .390
Trunk group connectivity to a server. . . . . . . . . . . . . . . . . . . . .394
Trunk group rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .395
Trunk group configuration examples . . . . . . . . . . . . . . . . . . . .396
Support for flexible trunk group membership . . . . . . . . . . . . .398
Trunk group load sharing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .398
CLI syntax for configuring consecutive ports in a trunk group400
CLI syntax for configuring non-consecutive ports in a trunk group401
Example 1: Configuring the trunk groups shown
in Figure 78 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .401
Example 2: Configuring a trunk group that spans
two Gbps Ethernet modules in a chassis device . . . . . . . . . . .402
Example 3: Configuring a multi-slot trunk group
with one port per module . . . . . . . . . . . . . . . . . . . . . . . . . . . . .403
Example 4: Configuring a trunk group of 10 Gbps
Ethernet ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .403
Additional trunking options . . . . . . . . . . . . . . . . . . . . . . . . . . . .404
Viewing the first and last ports in a trunk group . . . . . . . . . . .409
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