Reference Guide

Brocade Fabric OS Command Reference 755
53-1004112-02
portCmd
-size pdu_size
Specifies the PDU size to use (not including headers). The valid range is between 2048 and
10112 bytes. The default is equivalent to the maximum segment size (MSS). This is the
maximum size if the -random option is specified.
-interval interval
Specifies the interval at which the statistics display is refreshed, in seconds. The default is
30 seconds.
--pmtu
Generates the ICMP messages to discover the maximum MTU available on a specific
network path. It is represented as the maximum number of bytes that can traverse the
network path. This option is supported only on Brocade 7840 switch and the Brocade SX6
extension blade. Valid arguments include the following:
-s src_ip
Specifies the local IP address to use for sourcing the probe packets. IPv6 addresses are
supported.
-d dst_ip
Specifies the destination IP address to which to probe the IP router path. IPv6 addresses
are supported.
-c L2 Class-of-Service
Specifies Class of Service/Priority, as defined by IEEE 802.1p. Values must be in the range
between 0 and 7. The default is 0.
-q DSCP
Specifies the DSCP marking. Values must be in the range between 0 and 63.
-v
Displays verbose output.
-y
Displays the short output with summary lines at the beginning and end.
--wtool
Generates traffic over a pair of IP addresses to test the link for any network issues.
Determines the health of a network link before deploying it for use in a circuit. This option is
supported only on Brocade 7840 switch and the Brocade SX6 extension blade.
The syntax for portcmd --wtool is as follows:
portcmd --wtool wt-id | all action port arguments
This command supports following actions and arguments:
create
Creates a WAN test session. This command supports following options:
-a | --admin-status enable | disable
Enables or disables the WAN test session.
-s | --src src_ip
Specifies the local IP address to use for sourcing the probe packets. IPv6 addresses
are supported.