HP 8/40 Access Gateway Administrator's Guide (53-1001760-01, June 2010) - Page 75

Access Gateway trunking considerations for the Edge switch Continued, Category, Description

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Trunking in Access Gateway mode 3 TABLE 8 Category Access Gateway trunking considerations for the Edge switch (Continued) Description 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. PWWN Downgrade You cannot assign a Trunk Area to ports if the standby CP is running a firmware version earlier than Fabric OS V6.2.0. The entire Trunk Area trunk group share 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 9 on page 57. You can have trunking on, but you must disable the trunk ports before performing a firmware downgrade. Upgrade HA Sync Port Types Default Area portCfgTrunkPort port, 0 switchCfgTrunk 0 Port Swap Trunk Master Fast Write FICON FC8-48 blades 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. No limitations on upgrade to Fabric OS v6.4.0 if the F_Port is present on the switch. Upgrading is not disruptive. 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. 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. 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 port, 0 will fail if a Trunk Area is enabled on a port. The port must be Trunk Area-disabled first. switchCfgTrunk 0 will fail if a port has TA enabled. All ports on a switch must be TA disabled first. 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. No more than one trunk master in a trunk group. The second trunk master will be persistently disabled with reason "Area has been acquired". 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 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. F_Port Trunking does not support shared area ports on the Brocade FC8-48 blades in a 48000. F_Port Trunking is supported on all ports on the Brocade FC8-48 in the DCX and DCX-4S. Access Gateway Administrator's Guide 55 53-1001760-01

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Access Gateway Administrator’s Guide
55
53-1001760-01
Trunking in Access Gateway mode
3
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 share 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 9
on
page 57.
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 v6.4.0 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
port
, 0
portCfgTrunkPort
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.
FC8-48 blades
F_Port Trunking does not support shared area ports on the
Brocade FC8-48 blades in a 48000. F_Port Trunking is supported
on all ports on the Brocade FC8-48 in the DCX and DCX-4S.
TABLE 8
Access Gateway trunking considerations for the Edge switch (Continued)
Category
Description