
Fabric OS 5.3.0 administrator guide 353
Extended ISL modes for switches that integrate the Bloom ASIC
Table 75
lists the extended ISL modes for switches that have a Bloom ASIC. You can configure extended ISL
modes with the
portCfgLongDistance
command when the Extended Fabrics license is activated.
Table 75
Extended ISL modes: 3xxx switches (Bloom and Bloom II ASICs)
Mode Buffer allocation Distance @ 1
Gbps
Distance @ 2
Gbps
Earliest
Fabric OS
release
Extended
Fabrics
license
required?
1 Gbps 2 Gbps
L0
5 (26)
1
1.
For each data channel (in this case, there are 4) there are 5 credits, plus 6 extra credits.
5 (26)
10 km
5 km
All
No
LE
13
19
n/a
10 km
v3.x, v4.x
No
L0.5
2
2.
This mode is supported but cannot be configured on switches running Fabric OS v5.2.0 and later.
19
34
25 km
25 km
v3.1.0, v4.1.0,
v4.x, v5.x
Yes
L1
2
27
54
50 km
50 km
All
Yes
L2
2
60
65
108 for
Bloom II
100 km
60 km
100 km for Bloom
II
All
Yes
LD
3
3.
The dynamic long-distance mode (LD) automatically configures the number of buffer credits required, based on the
actual link distance.
Auto
Auto
Auto
Maximum is 200 km
Auto
Maximum is 100
km
v3.1.0, v4.1.0,
v4.4.0, v5.x
(depending on
the model)
Yes
LS
4
4.
The static long-distance mode (LS) allocates the number of buffer credits based on the user-specified distance.
Based on
user-speci
fied
distance
Based on
user-speci
fied
distance
Based on
user-specified distance
Maximum is 200 km
Based on
user-specified
distance
Maximum is 100
km
v5.1.0
Yes
Summary of Contents for AA979A - StorageWorks SAN Switch 2/8V
Page 1: ...HP StorageWorks Fabric OS 5 3 x administrator guide Part number 5697 0244 November 2009 ...
Page 16: ...16 ...
Page 20: ...18 ...
Page 24: ...24 Introducing Fabric OS CLI procedures ...
Page 116: ...118 Maintaining configurations ...
Page 170: ...172 Managing administrative domains ...
Page 200: ...202 Installing and maintaining firmware ...
Page 222: ...224 Routing traffic ...
Page 274: ...286 Administering FICON fabrics ...
Page 294: ...306 Working with diagnostic features ...
Page 350: ...362 Administering Extended Fabrics ...
Page 438: ...440 Configuring the PID format ...
Page 444: ...446 Configuring McData Open Fabric mode ...
Page 450: ...452 Understanding legacy password behaviour ...