Configuration Guide User guide

FastIron Configuration Guide xxi
53-1002494-02
Configuring a trunk group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .707
CLI syntax for configuring consecutive ports
in a trunk group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .707
CLI syntax for configuring non-consecutive ports
in a trunk group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .708
Example 1: Configuring the trunk groups. . . . . . . . . . . . . . . . .709
Example 2: Configuring a trunk group that spans
two Ethernet modules in a chassis device. . . . . . . . . . . . . . . .709
Example 3: Configuring a multi-slot trunk group
with one port per module . . . . . . . . . . . . . . . . . . . . . . . . . . . . .710
Example 4: Configuring a trunk group of 10 Gbps
Ethernet ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .710
Additional trunking options . . . . . . . . . . . . . . . . . . . . . . . . . . . . 711
Displaying trunk group configuration information . . . . . . . . . . . . . 716
Viewing the first and last ports in a trunk group . . . . . . . . . . . 717
Dynamic link aggregation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 718
IronStack LACP trunk group configuration example . . . . . . . .719
Examples of valid LACP trunk groups . . . . . . . . . . . . . . . . . . . .719
Configuration notes and limitations for configuring
IronStack LACP trunk groups. . . . . . . . . . . . . . . . . . . . . . . . . . .721
Adaptation to trunk disappearance . . . . . . . . . . . . . . . . . . . . .722
Flexible trunk eligibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .723
Enabling dynamic link aggregation. . . . . . . . . . . . . . . . . . . . . .724
How changing the VLAN membership of a port
affects trunk groups and dynamic keys . . . . . . . . . . . . . . . . . .725
Additional trunking options for LACP trunk ports. . . . . . . . . . .725
Link aggregation parameters . . . . . . . . . . . . . . . . . . . . . . . . . .725
Displaying and determining the status of aggregate links . . . . . . .731
Events that affect the status of ports in an aggregate link. . .731
Displaying link aggregation and port status information . . . .731
Displaying LACP status information . . . . . . . . . . . . . . . . . . . . .734
Clearing the negotiated aggregate links table . . . . . . . . . . . . . . . .734
Single instance LACP configuration . . . . . . . . . . . . . . . . . . . . . . . . .734
Configuration notes for single link LACP . . . . . . . . . . . . . . . . .735
CLI syntax for single link LACP . . . . . . . . . . . . . . . . . . . . . . . . .735
Chapter 21 VLANs
VLAN overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .738
Types of VLANs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .738
Modifying a port-based VLAN . . . . . . . . . . . . . . . . . . . . . . . . . . 744
Default VLAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .754
802.1Q tagging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .755
Spanning Tree Protocol (STP) . . . . . . . . . . . . . . . . . . . . . . . . . .758
Virtual routing interfaces. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .759
VLAN and virtual routing interface groups . . . . . . . . . . . . . . . .760
Dynamic, static, and excluded port membership . . . . . . . . . . 761
Super aggregated VLANs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .763
Trunk group ports and VLAN membership . . . . . . . . . . . . . . . .763
Summary of VLAN configuration rules . . . . . . . . . . . . . . . . . . .764