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HP A7533A - Brocade 4Gb SAN Switch Base Administrator's Manual: F_port Masterless Trunking; Trunking Over Distance For The Hp Storageworks 4/256 San Director With Supported Blades

Hp storageworks fabric os 6.2 administrator guide (5697-0016, may 2009).
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Table 85
Trunking support for HP StorageWorks SAN Switch 4/32 and HP StorageWorks 4/64 SAN
Switch (Condor ASIC)
Mode
LE
LD
LD
LD
Enhanced trunking support for the HP StorageWorks SAN Director 48 Port 4Gb FC blade in the HP
StorageWorks 4/256 SAN Director is summarized in
Director and the HP StorageWorks DC04 SAN Director Switch supports 8 Gb/s. The HP StorageWorks
SAN Director 48 Port 4Gb FC blade does not support 8 Gb/s.
Table 86

Trunking over distance for the HP StorageWorks 4/256 SAN Director with supported blades

Mode Distance
LE
10 km
L0
Normal
LD
200 km
LD
250 km
LD
500 km
LS
Static
NOTE:
The L0 mode supports up to 5 km at 2 Gb/s, up to 2 km at 4 Gb/s, and up to 1 km at 8 Gb/s.
The distance for the LS mode is static. You can specify any distance greater than 10 km, for example 25
km, 50 km, and 100 km.
The HP StorageWorks DC04 SAN Director Switch supports long-distance modes LO, LE, LS, and LD.

F_Port masterless trunking

On edge switches, the masterless trunking feature is called F_Port masterless trunking because it trunks
F_Ports; on the switches running in Access Gateway mode, this feature is called Access Gateway N_Port
trunking because it trunks the N_Ports.
F_Port trunking provides a trunk group between a switch (N_Port) in Access Gateway (AG) mode and
Condor-based platforms. This feature keeps F_Ports from becoming disabled when they are mapped to an
N_Port on a switch in Access Gateway mode. With F_Port trunking, any link within a trunk can go offline
or become disabled, but the trunk remains fully functional and there are no reconfiguration requirements.
F_Port trunking prevents reassignments of the Port ID (also referred to as the Address Identifier as described
in
Table 89
on page 449) when F_Ports go offline, and it increases F_Port bandwidth. This feature supports
the following:
HP StorageWorks SAN Switch 4/32
HP StorageWorks 4/64 SAN Switch
HP StorageWorks SAN Switch 4/32B
HP StorageWorks 8/40 SAN Switch
HP StorageWorks 8/80 SAN Switch
HP StorageWorks 8/8 and 8/24 SAN Switches
444 Administering ISL trunking
Distance
Number of 2 Gb/s ports
10 km
32 (four 8-port trunks)
200 km
3 (one 3-port trunk)
250 km
3 (one 3-port trunk)
500 km
0
Number of 2 Gb/s ports
48 (six 8-port trunks)
See note below
4 (one 2-port trunk per switch)
4 (one 2-port trunk per switch)
0
See note below
Number of 4 Gb/s ports
32 (four 8-port trunks)
0
0
0
Table
86. The HP StorageWorks DC SAN Backbone
Number of 4 Gb/s
ports
48 (six 8-port trunks)
48 (six 8-port trunks)
0
0
0

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