M4000: Firmware Update

XSCF> version -c xcp -v
XSCF> getflashimage http://firmwares.goweekend.ca/m4000/FFXCP1123.tar.gz
* getaddrinfo(3) failed for vsun07.csd.toronto.ca:80
* Closing connection #0
Error: could not resolve host.

In above case, use ip address instead. 

XSCF> flashupdate -c check -m xcp -s 1123
XSCF> flashupdate -c update -m xcp -s 1123