Still some of the ports have negotiated to half-duplex. If you forced the duplex/speed on a computer then you MUST also force the settings on the switch. In my experience most …

Speed and Duplex Matrix 1 Speed/Duplex One major issue with Ethernet connectivity is proper configuration of speed and duplex. There is a significant amount of misunderstanding in the …

Aug 13, 2007 · The default speed/duplex should be auto. IOS doesn't display most default configuration. However, you can do a show int (fastethernet0/21) and it would show you what's …

Oct 28, 2010 · hi experts, i would like to know which command output to refer when finding out duplex/speed settings on the router's interface. show interface displays full/100 while show run …

Aug 7, 2013 · I have aquery with regards to speed and duplex setting on a fibre port. On my ASR1002 router when I connect a fibre sfp on a port it does not give me the option for setting …

Feb 13, 2018 · Just unpacked a new isr 4331 and working on the config. I need to set the duplex and speed on both interfaces. So far I have interface GigabitEthernet0/0/0 description LAN ip …

This is config on one of our routers. As you can see, it does look like auto negotiation is disabled, but speed/duplex are not configured. Apparently, in this case device still uses auto …

Sep 3, 2014 · Hello, is it possible to configure "duplex auto" and speed auto" on an interface where a SFP module is inserted? E.g. on an IE-3000-8TC with GLC-FE-100FX-RGD or Cisco …

Jul 9, 2016 · Hi, I am into latency issue where cisco asa 5525 firewall involved. while i troubleshoot, i couldnt see speed and duplex setting of the firewall interface.. its ASA 5525. I …

Nov 5, 2022 · Mismatches can happen when manually setting the speed and duplex or from autonegotiation issues between the two devices. To maximize switch performance and to …