Recommendations...................................................................................................................... 125
Show commands.........................................................................................................................125
PoE Event Log messages......................................................................................................................127
Chapter 5 Port Trunking.............................................................................. 129
Overview of port trunking....................................................................................................................... 129
Port connections and configuration.............................................................................................129
Port trunk features and operation.......................................................................................................... 130
Fault tolerance ........................................................................................................................... 130
Trunk configuration methods..................................................................................................................130
Dynamic LACP trunk...................................................................................................................130
Using keys to control dynamic LACP trunk configuration.................................................130
Static trunk.................................................................................................................................. 131
Viewing and configuring port trunk groups (CLI)....................................................................................135
Viewing static trunk type and group for all ports or for selected ports.........................................135
Viewing static LACP and dynamic LACP trunk data................................................................... 136
Dynamic LACP Standby Links.................................................................................................... 136
Configuring a static trunk or static LACP trunk group................................................................. 137
Removing ports from a static trunk group................................................................................... 137
Enabling a dynamic LACP trunk group....................................................................................... 138
Removing ports from a dynamic LACP trunk group....................................................................138
Specifying Minimum Active Links for LACP................................................................................ 139
lacp min-active-links............................................................................................ 139
lacp enable-timer.....................................................................................................140
show lacp min-active-links................................................................................. 141
Limitations........................................................................................................................ 142
Viewing existing port trunk groups (WebAgent).....................................................................................142
Trunk group operation using LACP........................................................................................................142
Default port operation..................................................................................................................145
LACP notes and restrictions........................................................................................................147
802.1X (Port-based access control) configured on a port................................................ 147
Port security configured on a port.................................................................................... 147
Changing trunking methods............................................................................................. 147
Static LACP trunks........................................................................................................... 147
Dynamic LACP trunks...................................................................................................... 147
VLANs and dynamic LACP.............................................................................................. 148
Blocked ports with older devices...................................................................................... 148
Spanning Tree and IGMP.................................................................................................149
Half-duplex, different port speeds, or both not allowed in LACP trunks........................... 149
Dynamic/static LACP interoperation.................................................................................149
Trunk group operation using the "trunk" option......................................................................................149
How the switch lists trunk data...............................................................................................................149
Outbound traffic distribution across trunked links.................................................................................. 150
Trunk load balancing using port layers.................................................................................................. 151
Enabling trunk load balancing..................................................................................................... 151
Chapter 6 Port Traffic Controls................................................................... 153
Rate-limiting........................................................................................................................................... 153
All traffic rate-limiting...................................................................................................................153
Configuring in/out rate-limiting..........................................................................................153
Displaying the current rate-limit configuration.................................................................. 154
Operating notes for rate-limiting....................................................................................... 156
ICMP rate-limiting.................................................................................................................................. 157
Guidelines for configuring ICMP rate-limiting..............................................................................158
6 Aruba 2930F / 2930M Management and Configuration Guide
for ArubaOS-Switch 16.08
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