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E.6 Enable Dynamic Chain Selection
Enable Dynamic Chain Selection. 11n AP uses MIMO which uses multiple antennas to coherently resolve more information
than when using a single antenna.
Some older devices have trouble hearing and accepting MIMO transmitted packets at legacy rates. When dynamic chain
selection is enabled, the AP transmits legacy rates on one antenna. This feature does not affect 802.11n devices but makes
co-existence with older devices easier.
To enable Dynamic Chain Selection, from the (config-wireless) context, issue the following command.
radio <index> dynamic-chain-sel enable
E.7 Disable Stateful Firewall Inspection Engine
Disable the stateful firewall inspection engine. This increases the performance while there is a compromise on the level
of security in the network. To disable stateful packet inspection, from the (config) context, issue this command.
no firewall stateful-packet-inspection l2
E.8 Disable Cluster Master Support
Disable cluster master support to stop synchronization of radio configuration among cluster members. This reduces the
amount of network traffic.
no cluster-master-support enable
E.9 Disable MSTP if not used in the network
If Multiple Spanning Tree Protocol (MSTP) is enabled in your network and if it is not used, then disable it. This increases
the total throughput of the network as devices need not keep themselves updated with the current state of the network.
no bridge multiple-spanning-tree enable bridge-forward.
E - 3
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Troubleshooting
