Experiencing multicast issues on Cat9400 (CAT9K_IOSXE), Version 16.6.4 for only SOME users not ALL. Previous steps were:   * Upgrading to 16.6.4 (worked for one week then problem came back) * Reboot switch (worked for one week then problem came back)...

I have two 6500 switches that connect to two load balancers in active/standby mode. When the load balancers fail over the arp cache of one particular vlan on the switches does not update and will not update without manually clearing the arp. All othe...

I have a PC that is connected to a port on a 3com hub. The 3com hub is connected to the 3750 (layer 2) with portfast disabled. The 3750 has a management address of 10.19.19.10 and is connected to a 2500 router ethernet interface that has a primary IP...