HP StorageWorks 16-EL HP StorageWorks SAN Switch 2/16 Fabric OS V3.1.2 Release - Page 13

the area number; otherwise, as the port number., The domain ID of the switch.

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New Command in v3.1.2 For each hop, the routing information output includes the following: Hop In Port Domain ID Name Out Port BW Cost The hop number (the local switch is hop 0. The port (or area) from which the frames come. For hop 0, the source port. For a switch with blades, this is specified s the area number; otherwise, as the port number. The domain ID of the switch. The name of the switch The output port that the frames take to reach the next hop. For the last hop, this is the destination port or area. For a switch with blades, this is specified as the area number; otherwise, as the port number. The bandwidth of the output ISL in Gbps. It does not apply to the embedded port. The cost of the link used by FSPF routing protocol. It applies only to an E_Port. For each hop, statistics are broken down into basic and extended. They are reported below the routing information, separated into input port statistics and output port statistics. For each port, they are further separated into transmit and receive statistics. Statistics are not reported for the embedded port. Some values are measured over multiple time intervals. For example, the output line utilization in bytes per second is calculated over both a 1-second period and over a 64-second period. this gives an idea of both the current line utilization and the utilization over a longer period. The time interval is listed in parentheses after the value's description. Maximum Hop Count The pathInfo command uses a special frame that is sent hop-by-hop from the source switch to the destination switch, collecting routing and statistical information at every hop. To prevent such a frame from looping forever when an error occurs, the command specifies a maximum number of hops for the frame to traverse. The hop count includes all hops in the direct path from source to destination, and also all the hops in the reverse path, if the tracing of the reverse path is requested. The default value for the maximum hop count is 25. SAN Switch 2/16 Fabric OS 3.1.2 Release Notes 13

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New Command in v3.1.2
13
SAN Switch 2/16 Fabric OS 3.1.2 Release Notes
For each hop, the routing information output includes the following:
For each hop, statistics are broken down into basic and extended. They are
reported below the routing information, separated into input port statistics and
output port statistics. For each port, they are further separated into transmit and
receive statistics. Statistics are not reported for the embedded port. Some values
are measured over multiple time intervals. For example, the output line utilization
in bytes per second is calculated over both a 1-second period and over a 64-second
period. this gives an idea of both the current line utilization and the utilization
over a longer period. The time interval is listed in parentheses after the value’s
description.
Maximum Hop Count
The
pathInfo
command uses a special frame that is sent hop-by-hop from the
source switch to the destination switch, collecting routing and statistical
information at every hop. To prevent such a frame from looping forever when an
error occurs, the command specifies a maximum number of hops for the frame to
traverse.
The hop count includes all hops in the direct path from source to destination, and
also all the hops in the reverse path, if the tracing of the reverse path is requested.
The default value for the maximum hop count is 25.
Hop
The hop number (the local switch is hop 0.
In Port
The port (or area) from which the frames come. For hop 0,
the source port. For a switch with blades, this is specified s
the area number; otherwise, as the port number.
Domain ID
The domain ID of the switch.
Name
The name of the switch
Out Port
The output port that the frames take to reach the next hop.
For the last hop, this is the destination port or area. For a
switch with blades, this is specified as the area number;
otherwise, as the port number.
BW
The bandwidth of the output ISL in Gbps. It does not apply
to the embedded port.
Cost
The cost of the link used by FSPF routing protocol. It
applies only to an E_Port.