Networks

Creating a wireguard connection between my home and colo

For years I’ve run the dev, test, and stage nodes for FreshPorts off servers in my basement. This meant that those hostnames have always pointed at my home IP address. I’d like to change that. I first started this using interactive commands (e.g. wg set) but found that approach unsatisfactory. I think directly editing the […]

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Creating a wireguard connection between my home and colo – failed attempt

NOTE: I wrote this, got stuck, then went a slightly different direction: I stopped using wg set Instead, I updated the configuration files directly I was not satisfied with the wg approach Although it is great for modifying things on the file, I don’t think it helps novices learn Wireguard I’m leaving it here anyway.

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Listen queue overflow

The R720 is showing a message like this from time to time: Jan 1 07:42:20 r720-01 kernel: sonewconn: pcb 0xfffff835e785d5b8: Listen queue overflow: 8 already in queue awaiting acceptance (1 occurrences) Jan 1 08:02:21 r720-01 syslogd: last message repeated 1 times Jan 1 08:27:22 r720-01 kernel: sonewconn: pcb 0xfffff835e785d5b8: Listen queue overflow: 8 already in

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kernel: arp: 10.55.0.62 moved from 78:ca:39:fe:d6:b3 to 14:99:e2:27:0f:48 on em0

I started seeing this recently. It appears in the logs on my firewall: It does not seem to be disturbing anything, other than my nerves. The classical situation is: two PCs are arguing over the same IP address. Each NIC has a unique MAC address, used at the physical network segment. We often refer to

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discard frame w/o leading ethernet header

The other day, I disconnected the ethernet cable from my gateway to reroute the cable. Then, perhaps coincidentally, I started seeing these entries: Jul 2 15:19:57 bast kernel: fxp0: discard frame w/o leading ethernet header (len 4294967294 pkt len 4294967294) Jul 2 15:28:01 bast kernel: fxp0: discard frame w/o leading ethernet header (len 4294967294 pkt

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