Configuring backbone fabrics for interconnectivity, Setting the maximum lsan count – Brocade Fabric OS Administrators Guide (Supporting Fabric OS v7.3.0) User Manual
Page 562
2 50:05:07:61:00:5b:62:ed 0100e8
Total devices displayed: 3
• fcrProxyDevShow shows the proxy devices in the LSAN.
switch:admin> fcrproxydevshow
Proxy WWN Proxy Device Physical State
Created PID Exists PID
in Fabric in Fabric
----------------------------------------------------------------------------
75 50:05:07:61:00:5b:62:ed 01f001 2 0100e8 Imported
2 10:00:00:00:c9:2b:c9:0c 02f000 75 c70000 Imported
Total devices displayed: 2
On the FC router, the host and Target A are imported, because both are defined by
"lsan_zone_fabric2" and "lsan_zone_fabric75". However, Target B is defined by
"lsan_zone_fabric2" and is not imported because "lsan_zone_fabric75" does not allow it.
When a PLOGI, PDISC, or ADISC arrives at the FC router, the SID and DID of the frame are
checked. If they are LSAN-zoned at both SID and DID edge fabrics, the frame is forwarded to the
DID. If they are not zoned, only the PLOGI is dropped; for the remaining frames zoning enforcement
takes place in the edge fabrics.
Configuring backbone fabrics for interconnectivity
If you want devices in backbone fabrics to communicate with devices in edge fabrics, set up the
LSANs as described
Controlling device communication with the LSAN
on page 560. However, instead
of configuring the LSAN in the second edge fabric, configure the LSAN in the backbone fabric.
Setting the maximum LSAN count
You can set the maximum number of LSAN zones, or LSAN count, that can be configured on the edge
fabrics. By default, the maximum LSAN count is set to 3,000. You can increase the maximum LSAN
count to 5,000 without disabling the switch.
The maximum number of LSAN devices supported is 10,000 (this includes both physical and proxy
devices). If you have 3,000 LSAN zones but have not exceeded the 10,000 device limit, you can
increase the LSAN count to 5,000.
All FC routers in the same backbone fabric should have the same maximum LSAN count defined, to
prevent the FC routers from running into indefinite state. Asymmetric LSAN configurations due to
different maximum LSAN counts could lead to different devices being imported on different FC routers.
1. Enter the fcrlsancount command with no parameters to display the current LSAN limit.
switch:admin> fcrlsancount
LSAN Zone Limit 3000
2. Enter the fcrlsancount command and specify the new LSAN zone limit.
switch:admin> fcrlsancount 5000
LSAN Zone Limit 5000
For information on how to display the maximum allowed and currently used LSAN zones and
devices, refer to
NOTE
Because the maximum number of LSANs is configured for each switch, if there is a different
maximum LSAN count on the switches throughout the metaSAN, then the device import and export
will not be identical on the FC routers. You should enter the same maximum LSAN count for all the
Configuring backbone fabrics for interconnectivity
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Fabric OS Administrators Guide
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