Dell PowerConnect Brocade M6505 Brocade 7.1.0 Fabric Watch Administrator's Gui - Page 76

Port class guidelines and default settings

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7 Port class guidelines and default settings TABLE 15 Area Port class areas (Continued) Description Sync loss Packet loss (VE_Port only) Protocol errors (PE) Received packets (RXP) State changes (ST) (Port and VE_Port) Transmitted packets (TXP) Trunk utilization (E_Port, FCU_Port, and FOP_Port) Utilization (VE_Port only) Link reset The number of times a synchronization error occurs on the port. Two devices failed to communicate at the same speed. Synchronization errors are always accompanied by a link failure. Loss of synchronization errors frequently occur due to a faulty SFP or cable. The number of packets routed through a port exceeds the port bandwidth. The number of times a protocol error occurs on a port. Invalid state due to LRR on an online link. Occasionally these errors occur due to software glitches. Persistent errors occur due to hardware problems. The percentage of maximum bandwidth consumed in packet receipts. The state of the port has changed for one of the following reasons: • The port has gone offline. • The port has come online. • The port is faulty. The percentage of maximum bandwidth consumed in packet transmissions. The percent of utilization for the trunk at the time of the last poll. The percent of utilization for the trunk at the time of the last poll. The ports on which the number of link resets exceed the specified threshold value. NOTE Only the Packet loss, State changes, and Utilization areas are supported on the VE_Port. Port class guidelines and default settings There are different recommendations and default settings for the physical port, the E_Port, and the FOP_Port and FCU_Port. Refer to the following sections and plan carefully before you begin configuring the port: • "Physical port setting guidelines" • "E_Port subclass setting guidelines" • "FOP_Port and FCU_Port subclass setting guidelines" • "VE_Port class default settings" NOTE E_Ports and VE_Ports are not supported in Access Gateway mode. 56 Fabric Watch Administrator's Guide 53-1002752-01

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56
Fabric Watch Administrator’s Guide
53-1002752-01
Port class guidelines and default settings
7
NOTE
Only the Packet loss, State changes, and Utilization areas are supported on the VE_Port.
Port class guidelines and default settings
There are different recommendations and default settings for the physical port, the E_Port, and the
FOP_Port and FCU_Port. Refer to the following sections and plan carefully before you begin
configuring the port:
•
“Physical port setting guidelines”
•
“E_Port subclass setting guidelines”
•
“FOP_Port and FCU_Port subclass setting guidelines”
•
“VE_Port class default settings”
NOTE
E_Ports and VE_Ports are not supported in Access Gateway mode.
Sync loss
The number of times a synchronization error occurs on the port. Two devices
failed to communicate at the same speed. Synchronization errors are always
accompanied by a link failure. Loss of synchronization errors frequently occur due
to a faulty SFP or cable.
Packet loss (VE_Port only)
The number of packets routed through a port exceeds the port bandwidth.
Protocol errors (PE)
The number of times a protocol error occurs on a port. Invalid state due to LRR on
an online link. Occasionally these errors occur due to software glitches. Persistent
errors occur due to hardware problems.
Received packets (RXP)
The percentage of maximum bandwidth consumed in packet receipts.
State changes (ST)
(Port and VE_Port)
The state of the port has changed for one of the following reasons:
•
The port has gone offline.
•
The port has come online.
•
The port is faulty.
Transmitted packets (TXP)
The percentage of maximum bandwidth consumed in packet transmissions.
Trunk utilization
(E_Port, FCU_Port, and
FOP_Port)
The percent of utilization for the trunk at the time of the last poll.
Utilization (VE_Port only)
The percent of utilization for the trunk at the time of the last poll.
Link reset
The ports on which the number of link resets exceed the specified threshold
value.
TABLE 15
Port class areas
(Continued)
Area
Description