08-07-2003 04:27 AM - edited 03-02-2019 09:25 AM
What are the pros and cons of using a full duplex setting between switches? Is there a reason you would not want to or a reason you would want to.
I am currently using half duplex setting (Auto Negotiated) between Catalyst 5000 series switches over 100Base-FX
You assistance is appreciated.
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08-07-2003 04:57 AM
the only drawback could be a bottleneck somewhere when your traffic starts hitting the 10 MB Half duplex devices , however since you are connecting 2 switches this should not be an issue
08-07-2003 04:43 AM
by using full duplex you will not have any collisions over the pipe. You will enhance your performace with this setting .
make sure you hard code your settings, auto is less than reliable .
08-07-2003 04:47 AM
Is there anything not good about using full duplex settings?
08-07-2003 04:57 AM
the only drawback could be a bottleneck somewhere when your traffic starts hitting the 10 MB Half duplex devices , however since you are connecting 2 switches this should not be an issue
08-07-2003 05:22 AM
FYI
when changing the setting from half or auto to full the proper way to do this is
switch(enable) set port dis x/x
switch (enable) set port speed x/x 100
switch (enable) set port duplex x/x full
switch(enable) set port en x/x
08-13-2003 04:57 AM
As far as I am aware, there is no autonegotion on 100BaseFX. Which card are you using? If it is the WS-X5201, then the only options are full and half .. there is no auto.
The only reason I can think of that youmight want to use half-duplex on a 100BaseFX link is if you are connecting to some other equipment that does not support full-duplex. Since you have a Cat5000 at each end of the link, I would use full duplex.
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