Intel BLADE SERVER IXM5414E User Manual Page 269

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246 Intel® Blade Server Ethernet Switch Module IXM5414E: Installation and User’s Guide:A Guide for Technically
default priority mapping provided by the switch. These commands affect all of the interfaces on
the switch and leave the defaults unchanged for priority levels 3-7.
config classofservice 802.1p mapping 0 0
config classofservice 802.1p mapping 1 2
config classofservice 802.1p mapping 2 1
The switch supports two protocols based on the Generic Attribute Registration Protocol (GARP)
defined in IEEE 802.1D: GARP Multicast Registration Protocol (GMRP) and GARP VLAN
Registration Protocol (GVRP). These protocols are disabled by default.
config garp gmrp adminmode enable
config garp gmrp interfacemode all
config garp gvrp adminmode enable
config garp gvrp interfacemode all
While the Spanning Tree Protocol is needed to maintain the network topology, forwarding of
frames also requires that the switch learn the location of end stations. The switch does this by
recording the port on which packets from a source MAC address are received. The forwarding
database is used to hold this information. You can control how long an address will remain in the
database if no traffic is seen from it (the aging timer).
config forwardingdb agetime 500
IEEE 802.1w configuration example
This section shows you how to configure the Intel® Blade Server Ethernet Switch Module
IXM5414E to support rapid reconfiguration of the spanning tree topology. The IEEE 802.1w
support specified in IEEE 802.1s defines a new configuration algorithm and protocol that provide
significantly faster reconfiguration of the spanning tree than the original algorithm and protocol
defined in the base IEEE 802.1D standard. While the old and new protocols will successfully
interoperate, the IEEE 802.1 standards committee recommends the use of the new protocol.
Configuration of the switch to support IEEE 802.1w is simple. In normal operation, the bridge
timers are not used to control reconfiguration, and the default values should be adequate. Bridge and
port priorities and path costs are still required, and are configured as shown for IEEE 802.1D.
Configure the switch to use rapid reconfiguration.
config spanningtree forceversion 802.1w
To disable support for rapid reconfiguration.
config spanningtree forceversion 802.1d
VLAN configuration example
This section provides sample CLI commands showing how to configure the Intel® Blade Server
Ethernet Switch Module IXM5414E to support IEEE 802.1Q VLANs. Configuring VLANs allows
you to partition your network on a logical rather than physical basis. The only physical restriction is
that both ends of a point-to-point link must be in the same VLAN. There are many possible logical
partitions – one common one being department membership.
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