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Access Gateway trunking considerations for the Edge switch (Continued)TABLE 10
Category Description
Management Server Registered Node ID (RNID), Link Incident Record Registration (LIRR), and Query
Security Attributes (QSA) Extended Link Service Requests (ELSs) are not supported
on F_Port trunks.
Trunk area The port must be disabled before assigning a Trunk Area on the Edge switch to the
port or removing a Trunk Area from a trunk group.You cannot assign a Trunk Area to
ports if the standby CP is running a firmware version earlier than Fabric OS v6.2.0.
PWWN The entire Trunk Area trunk group shares the same Port WWN within the trunk group.
The PWWN is the same across the F_Port trunk that will have 0x2f or 0x25 as the first
byte of the PWWN. The TA is part of the PWWN in the format listed in Table 11 .
Downgrade You can have trunking on, but you must disable the trunk ports before performing a
firmware downgrade.
NOTE
Removing a Trunk Area on ports running traffic is disruptive. Use caution before
assigning a Trunk Area if you need to downgrade to a firmware earlier than Fabric OS
v6.1.0.
Upgrade No limitations on upgrade to Fabric OS 7.1.0 if the F_Port is present on the switch.
Upgrading is not disruptive.
HA Sync If you plug in a standby CP with a firmware version earlier than Fabric OS v6.1.0 and a
Trunk Area is present on the switch, the CP blades will become out of sync.
Port Types Only F_Port trunk ports are allowed on a Trunk Area port. All other port types that
include F/FL/E/EX are persistently disabled.
Default Area Port X is a port that has its Default Area the same as its Trunk Area. The only time you
can remove port X from the trunk group is if the entire trunk group has the Trunk Area
disabled.
portCfgTrunkPort
[slot/] port, 0
portCfgTrunkPort [slot/] port , 0 will fail if a Trunk Area is enabled on a port. The port
must be Trunk Area-disabled first.
switchCfgTrunk 0 switchCfgTrunk 0 will fail if a port has TA enabled. All ports on a switch must be TA
disabled first.
Port Swap When you assign a Trunk Area to a Trunk group, the Trunk Area cannot be port
swapped; if a port is swapped, then you cannot assign a Trunk Area to that port.
Trunk Master No more than one trunk master in a trunk group. The second trunk master will be
persistently disabled with reason "Area has been acquired".
Fast Write When you assign a Trunk Area to a trunk group, the trunk group cannot have fast write
enabled on those ports; if a port is fast- write-enabled, the port cannot be assigned a
Trunk Area.
FICON FICON is not supported on F_Port trunk ports. However, FICON can still run on ports
that are not F_Port trunked within the same switch.
Managing Policies and Features in Access Gateway Mode
Access Gateway Administrator's Guide 79
53-1003126-02