Category: Networking

Since we didn’t know the password, we flipped up dip switch 5 on the Netserver card and were then able to login to console as !root user and no password. Our firmware is: I’m now setting the password with: and then save all I powered off the unit, flipped dip switch 5 back down, and […]

Writing notes here for future reference. Connecting to serial console of the NMC, there is no password, and current firmware is: old LAN IP was 192.77.203.193, I’ve changed it to 10.254.255.46. SNMP strings are default (public RO, private RW). RADIUS secret key: serialport I saved config, then applied it by going to Command menu and […]

We have a Cisco IAD2432-24FXS in use, we are currently using the FXS analog ports to provide analog modem lines for our ISP dial-in lines and for general use. Now that we have our 3com/USR Total Control running, we need to feed it with a PRI or channelized T1 (these are similar but slightly different). […]

We’ve started looking at 1980s Ethernet products recently, and Cabletron was one of the most prominent Ethernet vendors at the time. I stumbled upon this Ethernet Technology Guide published by Cabletron, and found it to be a very comprehensive of Ethernet history and how the physical LANs were built (10base5, 10base2, 10baseT) particularly the multi-port […]

I’ve used several HP Procurve switches over the years and have found them to be great for general office use. We have been using a 1810G-24 (J9450A) switch in our lab, to keep machines online including the infamous Cobalt RaQ 3. This is a “web managed” switch, with basic VLAN support. On the plus side, […]