ilumos's questions

I'm setting up Nginx as a caching HTTP server for Steam and Origin game downloads on my LAN.

Is it necessary for Nginx to send the X-Real-IP and X-Forwarded-For headers to the servers, if:

• The IP addresses will always be RFC1918 addresses (192.168, 172.16, 10.)
• No state needs to be tracked by the upstream content servers

If it is unlikely to cause problems, I'd like to disable sending these headers to save a tiny amount of bandwidth.

Many thanks

I have two Netgear GS748TS 48 port gigabit stackable switches, which when stacked via two HDMI cables allow hosts on one of the switches to talk to hosts on the other.

Netgear claim that the HDMI trunk allows for 10Gbps of bandwidth, but when I test using 4 computers and iperf, it appears that only 1Gbps of bandwidth is available for communication between the switches.

Is additional configuration required? Am I missing some basic networking concepts here?

I'd really like to keep all of the client ports for, well... clients, rather than sacrificing 16 or more of them for a trunk.

Any help is appreciated, many thanks.

EDIT: I'll re-test with higher quality HDMI cables and report back!