What is an UPLINK port?

René Jorissen on October 21, 2008 0 Comments • Tags: #0x9000 #keepalives #trunk #uplink

A colleague recently encountered some problems with keepalives on switch ports. He wrote a post about it. Keepalives are, quoted from his blog post: By default Cisco routers and switches periodically test their (Fast) Ethernet links by sending out Loopback frames (ethertype 0×9000) addressed to themselves. Call it a “L2 self-ping” if you will. In … Read More