Dell Brocade G620 Brocade 8.0.1 Fabric OS Command Reference - Page 779

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. Brocade Fabric OS Command Reference 755 53-1004112-02