Upgrading a stack of comware switches is easy. Upload the file and reboot. If you serve users who might notice 10-15 minutes down time you need to read this article to understand how to perform an (almost) zero downtime upgrade.
Enabling Traceroute on Comware Switches
Unlike any other vendor I've worked on, comware switches and routers do not reply to traceroute attempts by default. If you traceroute through a router you'll get no response on that hop: C:\>tracert switch1 Tracing route to switch1 [10.4.228.2] over a maximum of 30 hops: 1 <1 ms <1 ms <1 ms router2 [1.1.1.76] 2... Continue Reading →
Constantpinger 