Brocade Fabric OS Command Reference Manual v6.2.0 (53-1001186-01, April 2009)

Fabric OS Command Reference 545
53-1001186-01
portCfg
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mirrorport Configure mirror port on the local port. The port mirroring feature re-routes
data frames between two devices to the mirror port. Port mirroring can aid in
troubleshooting common FC end-to-end communication problems. The
command prompts for confirmation that the specified port be enabled as a
mirror port. Once a port is configured as a mirror port, the port can only be
used as part of a mirror connection. This command is blocked in Virtual
Fabric mode.
The syntax for portCfg mirrorport is as follows:
portcfg mirrorport [slot/][ge]port mode
Valid modes for mirrorport are:
--disable Disables the configuration. When disabled, a port cannot be a mirror port.
--enable Enables the configuration. When mirrorport is enabled to a port, a mirror
connection can use this port to mirror traffic.
fastwrite Configures the FC port for FC Fastwrite. Enables or disables FC Fastwrite
between two Brocade 7500 routersor two Brocade 48000 directors with
FR4-18i blades connected by Fibre Channel ISLs. FastWrite mitigateslatency
effects on SCSI writes, and improves throughputover a high-latency link. The
blade first should be enabled for FC Fastwrite using fastWriteCfg. This
command can also be used to list all ports configured for FC Fastwrite. This
feature requires a Brocade license. The syntax for portcfg fastwrite is as
follows:
portcfg fastwrite [slot/]port mode
Valid modes for fastwrite are:
--enable Enables FC Fastwrite on the specified port.
--disable Disables FC Fastwrite on the specified port.
vlantag Use this command to maintain the VLAN tag table associated with a
particular network interface. This table is mainly used by ingress processing
to filter VLAN tagged frames. If a VLAN tagged frame is received from the
network and there is no entry for the VLAN ID, the frame is discarded. There is
no ingress filtering on the destination IP address. There can be multiple VLAN
IDs per IP interface; however, there cannot be two entries to the same
destination, including 0.0.0.0. On egress, this table is used to determine
whether to tag a frame that is not already marked as tagged. Egress frames
already marked as VLAN tagged (i.e. FCIP) takes precedence over entries in
this table.
NOTE: This command supports --add and --delete options only. To modify a
table entry it must first be deleted, then added with different configuration
parameters.The syntax for portcfg vlantag is as follows:
portcfg vlantag [slot/]port mode arguments
Valid modes for vlantag are:
--add ipif_addr vlan_id L2 CoS [dst_ipaddr]
Adds an entry to the VLAN tag table.