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BLADEOS 6.5.2 Application Guide
322 Chapter 22: Basic Redundancy BMD00220, October 2010
AMP ports cannot be used as monitoring ports in a port-mirroring configuration.
Do not configure AMP ports as Layer 2 Failover control ports.
For IGMP, IP-based multicast entries support only Layer 2 (MAC) based multicast forwarding
for IGMP Snooping. IGMP snooping must be disabled before enabling AMP, to clear all the
existing IP based multicast entries. IGMP Snooping may be re-enabled after AMP is enabled.
Layer 3 routing protocols are not supported on AMP-configured switches.
Configuration Example
Configuring an Aggregator Switch
Perform the following steps to configure AMP on an aggregator switch:
1. Turn off Spanning Tree.
2. Define a trunk group for the aggregator-aggregator link (optional). You may use a single
port-to-port link.
3. Turn AMP on, and define the aggregator.
4. Configure the aggregator-aggregator link. Use the trunk group defined in step 2.
5. Define the AMP group links, and enable the AMP group.
Each AMP group has two links, one to each peer switch in the group. For an aggregator, one AMP
group link connects to the other aggregator, and one to the access switch.
>> # spanning-tree mode disable
>> # portchannel 5 port 1
>> # portchannel 5 port 2
>> # portchannel 5 enable
>> # active-multipath enable
>> # active-multipath switch-type aggregator
>> # active-multipath switch-priority 10
>> # active-multipath aggr-portchannel 5
>> # active-multipath group 1 portchannel 5
>> # active-multipath group 1 port2 10
>> # active-multipath group 1 enable