Cisco MDS 9000 Series Configuration Manual page 150

Feature History for Congestion Detection, Avoidance, and Isolation
Feature Name
Extended Receiver Ready
Congestion Isolation
Cisco MDS 9000 Series Interfaces Configuration Guide, Release 8.x
132
Release
8.1(1)
8.1(1)
Congestion Detection, Avoidance, and Isolation
Feature Information
This feature allows each Inter-Switch Link
(ISL) between supporting switches to be split
into four separate virtual links, with each
virtual link assigned its own buffer-to-buffer
credits.
The following commands were introduced:
• show flow-control {er_rdy | r_rdy}
[module number]
• switchport vl-credit {default | vl0 value
vl1 value vl2 value vl3 value}
• system fc flow-control {default |
er_rdy | r_rdy}
This feature allows devices to be categorized
as slow by either configuration command or
by the port monitor.
The following commands were introduced:
• congestion-isolation {include | exclude}
pwwn pwwn vsan vsan-id
• feature congestion-isolation
• show congestion-isolation {exclude-list
| global-list | ifindex-list | include-list |
pmon-list | remote–list | status}
The cong-isolate portguard action was added
to the following commands:
• counter credit-loss-reco
• counter tx-credit-not-available
• counter tx-slowport-oper-delay
• counter tx-wait