Deployment Guide

Fabric OS v7.3.0a Release Notes v2.0 Page 41 of 55
 If the remote port supports QOS and QOS is not explicitly disabled on the local or
remote port, the link will come up in QOS mode.
 Otherwise, the link will come up in normal mode.
 If FOS v7.2 or later is factory installed (or net installed), Adaptive Networking features are always
available. This matches the behavior of the Brocade 6520 and all products shipping with prior
versions of FOS and with the Adaptive Networking license factory installed.
 Ports will come up in AE mode by default
 If the remote port supports QOS and is not explicitly disabled, the link will come up in QOS
mode. Otherwise, the link will come up in normal mode.
Access Gateway
 Users who want to utilize Access Gateway’s Device-based mapping feature in the ESX environments
are encouraged to refer to the SAN TechNote GA-TN-276-00 for best implementation practices. Please
follow these instructions to access this technote:
 Log in to http://my.brocade.com
 Go to Documentation > Tech Notes.
 Look for the Tech Note on Access Gateway Device-Based Mapping in VMware ESX Server.
Brocade HBA/Adapter Compatibility
 Brocade HBA/Adapter should be using driver version 2.3.0.2 or later when attached to 16G ports on
Brocade switches.
D_Port
 The 16Gb QSFP optics used in FC16-64 blade do not support electrical loopback and optical loopback
tests. Support is limited to:
o Link traffic tests across the 16Gb QSFPs
o Roundtrip link latency measurements
o Link distance measurements for links that are longer than 100 meter
Edge Hold Time
 Edge Hold Time (EHT) default settings for FOS v7.x have changed from those in some FOS v6.4.x
releases. The following table shows the Default EHT value based on different FOS release levels
originally installed at the factory:
Factory Installed Version of FOS
Default EHT Value
FOS v7.X
220 ms
FOS v6.4.3x
500 ms
FOS v6.4.2x
500 ms
FOS v6.4.1x
220 ms