flowcontrol
Control how the system responds to and generates 802.3x pause frames on 1Gig and 10Gig line cards.
C-Series, E-Series, S-Series, Z-Series, S4810
Syntax
flowcontrol rx {off | on} tx {off | on} threshold {<1-2047>
<1-2013> <1-2013>}
NOTE: The
threshold
keyword is supported on the C-Series and S-Series only.
Parameters
rx on
Enter the keywords
rx on
to process the received flow control
frames on this port. This is the default value for the receive side.
rx off
Enter the keywords
rx off
to ignore the received flow control
frames on this port.
tx on
Enter the keywords
tx on
to send control frames from this port to
the connected device when a higher rate of traffic is received. This is
the default value on the send side.
tx off
Enter the keywords
tx off
so that flow control frames are not sent
from this port to the connected device when a higher rate of traffic is
received.
threshold
(C-Series and S-Series only) When you configure
tx on
, you can set
the threshold values for:
•
Number of flow-control packet pointers: 1 to 2047 (default =
75)
•
Flow-control buffer threshold in KB: 1 to 2013 (default = 49KB)
•
Flow-control discard threshold in KB: 1 to 2013 (default =
75KB)
Defaults
•
C-Series: rx off tx off
•
E-Series: rx on tx on
•
S-Series: rx off tx off
•
S4810: rx on tx off
Command Modes
INTERFACE
Command History
Version 8.3.11.1
Introduced on the Z9000.
Version 8.3.7.0
Introduced on the S4810.
Version 8.1.1.0
Introduced on the E-Series ExaScale.
Versions 6.5.1.9
and 7.4.1.0
Introduced on the E-Series.
Version 7.8.1.0
Introduced on the C-Series and S-Series with the
thresholds
option.
696
Summary of Contents for Force10 Z9000
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