HP Brocade 8/12c Brocade Fabric OS Troubleshooting and Diagnostics Guide v6.2. - Page 67

Port settings, E_Port are automatically con d

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Considerations for downgrading firmware 5 Message Message Downgrade is not allowed because VF is enabled. Please run "lscfg --config" and "lscfg --delete" commands to remove the non-default LS first, then run "fosconfig --disable vf" to disable VF before proceeding. Probable cause and recommended action You cannot downgrade because Virtual Fabrics are enabled. Delete the logical switches, delete the base switch, and disable Virtual Fabrics prior to downgrading the firmware. Downgrade is not allowed because AG is enabled. Please run "ag --modedisable" command to disable AG mode before proceeding. Probable cause and recommended action You cannot downgrade because Access Gateway mode is enabled. Disable Access Gateway prior to downgrading the firmware. Port settings These messages refer to port settings that need to be fixed before downgrading the switch's firmware. Message The command failed due to presence of long-distance ports in L0.5 mode. Please remove these settings before proceeding. Probable cause and recommended action The firmware download operation was attempting to upgrade a system to Fabric OS v6.0.0 with long-distance ports in L0.5, L1, or L2 modes. Long-distance ports in these modes are not supported in firmware v6.0.0 or later, so the firmware upgrade operation failed. L0 Specify L0 to configure the port to be a regular switch port. A total of 20 full-size frame buffers are reserved for data traffic, regardless of the port's operating speed; therefore, the maximum supported link distance is 10 km, 5 km, or 2.5 km for the port at speeds of 1 Gbps, 2 Gbps, or 4 Gbps, respectively. LE Specify LE mode for E_Ports for distances beyond 5 Km and up to 10 Km. A total of 5, 10, or 20 full-size frame buffers are reserved for port speeds of 1 Gbps, 2 Gbps, or 4 Gbps, respectively. LE does not require an Extended Fabrics license. LD Specify LD for automatic long-distance configuration. The buffer credits for the given E_Port are automatically configured, based on the actual link distance. Up to a total of 250 full-size frame buffers are reserved, depending on the distance measured during E_Port initialization. If the desired distance is provided, it is used as the upper limit to the measured distance. For Bloom1-based systems, the number of frame buffers is limited to 63. LS Specify LS mode to configure a long-distance link with a fixed buffer allocation. Up to a total of 250 full-size frame buffers are reserved for data traffic, depending on the desired distance value provided with the portCfgLongDistance command. For Bloom1-based systems, the number of frame buffers is limited to 63. Message An SNMP trap port is set to non-default, you will not be allowed to downgrade to below v6.0.0. Probable cause and recommended action The SNMP trap port was set to non-default. Remove the SNMP trap port setting before downgrading. Fabric OS Troubleshooting and Diagnostics Guide 51 53-1001187-01

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Fabric OS Troubleshooting and Diagnostics Guide
51
53-1001187-01
Considerations for downgrading firmware
5
Message
Downgrade is not allowed because VF is enabled. Please run "lscfg --config" and "lscfg --delete"
commands to remove the non-default LS first, then run "fosconfig --disable vf" to disable VF before
proceeding.
Probable cause and recommended action
You cannot downgrade because Virtual Fabrics are enabled. Delete the logical switches, delete the
base switch, and disable Virtual Fabrics prior to downgrading the firmware.
Message
Downgrade is not allowed because AG is enabled. Please run "ag --modedisable" command to
disable AG mode before proceeding.
Probable cause and recommended action
You cannot downgrade because Access Gateway mode is enabled. Disable Access Gateway prior to
downgrading the firmware.
Port settings
These messages refer to port settings that need to be fixed before downgrading the switch’s
firmware.
Message
The command failed due to presence of long-distance ports in L0.5 mode. Please remove these
settings before proceeding.
Probable cause and recommended action
The firmware download operation was attempting to upgrade a system to Fabric OS v6.0.0 with
long-distance ports in L0.5, L1, or L2 modes. Long-distance ports in these modes are not
supported in firmware v6.0.0 or later, so the firmware upgrade operation failed.
Message
An SNMP trap port is set to non-default, you will not be allowed to downgrade to below v6.0.0.
Probable cause and recommended action
The SNMP trap port was set to non-default. Remove the SNMP trap port setting before
downgrading.
L0
Specify L0 to configure the port to be a regular switch port. A total of 20 full-size frame
buffers are reserved for data traffic, regardless of the port’s operating speed; therefore,
the maximum supported link distance is 10 km, 5 km, or 2.5 km for the port at speeds
of 1 Gbps, 2 Gbps, or 4 Gbps, respectively.
LE
Specify LE mode for E_Ports for distances beyond 5 Km and up to 10 Km. A total of 5,
10, or 20 full-size frame buffers are reserved for port speeds of 1 Gbps, 2 Gbps, or
4 Gbps, respectively. LE does not require an Extended Fabrics license.
LD
Specify LD for automatic long-distance configuration. The buffer credits for the given
E_Port are automatically configured, based on the actual link distance. Up to a total of
250 full-size frame buffers are reserved, depending on the distance measured during
E_Port initialization. If the desired distance is provided, it is used as the upper limit to
the measured distance. For Bloom1-based systems, the number of frame buffers is
limited to 63.
LS
Specify LS mode to configure a long-distance link with a fixed buffer allocation. Up to a
total of 250 full-size frame buffers are reserved for data traffic, depending on the
desired distance value provided with the
portCfgLongDistance
command. For
Bloom1-based systems, the number of frame buffers is limited to 63.