https://community.extremenetworks.com/t5/extremeswitching-exos-switch/unexpected-traffic-on-switch-ports/m-p/110815#M22634 <P>We have a 7720-32c with machines on vlan X with MAC addresses for all machines established in the FDB, yet traffic sent from machine A to machine B (on the same switch) are showing up on machine C, D, E, F, ... and Switch 2 captures. Why is the switch not isolating the traffic to the two necessary ports ie. flooding it out all ports?</P><P>The capture below was collected on a server IP 192.168.99.4:</P><P>12:36:27.823552 IP 192.168.99.5.48243 &gt; 192.168.99.2.48243: UDP, length 1712<BR />12:36:27.823714 IP 192.168.99.5.48240 &gt; 192.168.99.3.48240: UDP, length 8752</P><P>If it helps to diagnose, the server ports are connected to the switch via 802.1Q.</P><P>Thank you for any direction that you are able to provide.</P> Tue, 06 Aug 2024 17:53:13 GMT Cris_Collins 2024-08-06T17:53:13Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/unexpected-traffic-on-switch-ports/m-p/110815#M22634 <P>We have a 7720-32c with machines on vlan X with MAC addresses for all machines established in the FDB, yet traffic sent from machine A to machine B (on the same switch) are showing up on machine C, D, E, F, ... and Switch 2 captures. Why is the switch not isolating the traffic to the two necessary ports ie. flooding it out all ports?</P><P>The capture below was collected on a server IP 192.168.99.4:</P><P>12:36:27.823552 IP 192.168.99.5.48243 &gt; 192.168.99.2.48243: UDP, length 1712<BR />12:36:27.823714 IP 192.168.99.5.48240 &gt; 192.168.99.3.48240: UDP, length 8752</P><P>If it helps to diagnose, the server ports are connected to the switch via 802.1Q.</P><P>Thank you for any direction that you are able to provide.</P> Tue, 06 Aug 2024 17:53:13 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/unexpected-traffic-on-switch-ports/m-p/110815#M22634 Cris_Collins 2024-08-06T17:53:13Z