How the switch lists trunk data...............................................................................................................122
Outbound traffic distribution across trunked links.................................................................................. 123
Chapter 6 Port Traffic Controls................................................................... 125
VLAN-based rate-limiting....................................................................................................................... 125
ICMP rate-limiting.................................................................................................................................. 125
Guidelines for configuring ICMP rate-limiting..............................................................................126
Configuring ICMP rate-limiting.................................................................................................... 126
Using both ICMP rate-limiting and all-traffic rate-limiting on the same interface.........................127
Viewing the current ICMP rate-limit configuration....................................................................... 128
Operating notes for ICMP rate-limiting........................................................................................128
Notes on testing ICMP rate-limiting..................................................................................129
ICMP rate-limiting trap and Event Log messages.......................................................................130
Determining the switch port number used in ICMP port reset commands....................... 130
Configuring inbound rate-limiting for broadcast and multicast traffic.......................................... 131
Operating Notes............................................................................................................... 132
Jumbo frames........................................................................................................................................ 133
Operating rules............................................................................................................................133
Jumbo traffic-handling...................................................................................................... 134
Configuring jumbo frame operation.............................................................................................135
Overview.......................................................................................................................... 135
Viewing the current jumbo configuration.......................................................................... 135
Enabling or disabling jumbo traffic on a VLAN................................................................. 137
Configuring a maximum frame size.............................................................................................137
Configuring IP MTU..........................................................................................................138
SNMP implementation......................................................................................................138
Displaying the maximum frame size.................................................................................138
Operating notes for maximum frame size........................................................................ 138
Troubleshooting...........................................................................................................................139
A VLAN is configured to allow jumbo frames, but one or more ports drops all inbound
jumbo frames....................................................................................................................139
A non-jumbo port is generating "Excessive undersize/giant frames" messages in the
Event Log......................................................................................................................... 139
Chapter 7 Fault-Finder port-level link-flap................................................. 140
Overview................................................................................................................................................ 140
Fault-finder link-flap .............................................................................................................................. 140
Show fault-finder link-flap.......................................................................................................................142
Event Log...............................................................................................................................................143
Restrictions............................................................................................................................................ 143
Chapter 8 Configuring for Network Management Applications...............144
Using SNMP tools to manage the switch...............................................................................................144
SNMP management features......................................................................................................144
SNMPv1 and v2c access to the switch....................................................................................... 145
SNMPv3 access to the switch.....................................................................................................145
Enabling and disabling switch for access from SNMPv3 agents......................................146
Enabling or disabling restrictions to access from only SNMPv3 agents...........................146
Enabling or disabling restrictions from all non-SNMPv3 agents to read-only access...... 146
Viewing the operating status of SNMPv3......................................................................... 146
Viewing status of message reception of non-SNMPv3 messages................................... 146
Viewing status of write messages of non-SNMPv3 messages.........................................146
Enabling SNMPv3............................................................................................................ 146
6 Aruba 2530 Management and Configuration Guide for
ArubaOS-Switch 16.05