Reset TopSpin Infiniband Switch Password

To reset the password on a TopSpin Inifiband switch you’ll need to boot the system in the single user mode. To do this: Connect a console to the serial port and stop the booting at ppcboot.   Do the following: 1) at the “Hit any key to stop autoboot:” prompt, press a key quickly ( <5sec ...

Reset Password Foundry EdgeIron – Asset Recovery

Foundry Models Covered: EIF24G, EIF4802CF, EIF48G, EIF24GS, EIF48GS, etc. 1) Establish a connection to the device on the console port 2) Power the switch on, while holding down ctrl-u to access the system file menu (technically you can just hit �ctrl-u� in the one second time between powering on and it actually loading, but its ...

Networking Subnets – Quick Reference

[ad#Google Adsense] notation resulting subnet netmask shorthand number of addresses 255.255.255.0 /24 [8-bit] 28 = 256 = 254 hosts + 1 bcast + 1 net base 255.255.255.128 /25 [7-bit] 27 = 128 = 126 hosts + 1 bcast + 1 net base 255.255.255.192 /26 [6-bit] 26 = 64 = 62 hosts + 1 bcast + ...