diff --git a/server-rack-wifi/index.md b/server-rack-wifi/index.md index 2b74005..d22b265 100644 --- a/server-rack-wifi/index.md +++ b/server-rack-wifi/index.md @@ -15,7 +15,7 @@ which had been running in LXC to dedicated VMs. Assuming network congestion may be an issue, I reduced the amount of internal traffic my services generate by scaling back the rate of backups and file scans. I replaced cables in my server rack. Almost nothing helped (I say almost because the migration from CIFS -> NFS -actually did significantly reduce IO pressure in my main server :frog-yay:). +actually did significantly reduce IO pressure in my main server :yay-frog:). At this point, I decided to start more deeply investigating the state of the network itself, having ruled out network congestion and service configuration as @@ -39,17 +39,17 @@ a closer look at the network configuration itself. The intended ethernet route from my router to my server rack looks something like this: -- ![Intended Topology](./assets/intended-topology.png) -- Ethernet is run from my router, to a network closet switch, then through my - walls to my living room switch, then into my garage to the server rack switch, - where my servers and NAS are connected. +![Intended Topology](./assets/intended-topology.png) +Ethernet is run from my router, to a network closet switch, then through my +walls to my living room switch, then into my garage to the server rack switch, +where my servers and NAS are connected. Looking at the port configuration for my living room switch showed something unexpected: -- ![STP blocked](./assets/stp-blocked.png) -- The switch port handling the ethernet connection between my network closet - switch and living room switch had been disabled by the network due to a - spanning tree protocol (STP) issue! +![STP blocked](./assets/stp-blocked.png) +The switch port handling the ethernet connection between my network closet +switch and living room switch had been disabled by the network due to a +spanning tree protocol (STP) issue! It turns out that around the time the slowness began, the living room switch had performed a factory reset and set its STP priority to a very large number (and @@ -64,10 +64,10 @@ house. This resulted in my network route from my router to my server rack being configured something like this: -- ![Actual Topology](./assets/actual-topology.png) -- Instead of functioning as a wifi access point, Mr. Stabby had instead become a - giant wifi dongle for my entire server rack! I would not have assumed this was - possible. +![Actual Topology](./assets/actual-topology.png) +Instead of functioning as a wifi access point, Mr. Stabby had instead become a +giant wifi dongle for my entire server rack! I would not have assumed this was +possible. Fixing the STP priority for my living room switch to the correct (lower) value allowed it to take priority over Mr. Stabby for STP, reconfiguring the network