Add to common network issues

Signed-off-by: Egor Savkin <es@m-labs.hk>

src/hw/booster.md

@@ -21,11 +21,8 @@ dfu-util -a 0 -s 0x08000000:leave --download booster-release.bin
 
 #### Building from source (optional)
 
-Please keep in mind that the firmware from the official Quartiq repository does not include support for Pounder in MQTT,
-you may need to use a fork for that. But if the stabilizer is without a Pounder, it's also a valid option.
-
 There is no Nix Flake support to make things easier, so you need to set up rust and cargo manually.
-Start with cloning the stabilizer repository and opening a new shell with dfu-util (for flashing) and rustup
+Start with cloning the booster repository and opening a new shell with dfu-util (for flashing) and rustup
 (for building).
 
 ```shell
@@ -82,7 +79,7 @@ In case someone sets some setting wrongly, or updates the firmware and suddenly
 ### Basic setup via USB
 
 1. `nix-shell -p cutecom mosquitto appimage-run`
-2. Create mosquitto config `mosquitto.conf`, or use the one from Stabilizer:
+2. Create mosquitto config `mosquitto.conf`, or use the one from Stabilizer repo:
 
     ```text
     %allow_anonymous true

src/sw_sup/networking.md

@@ -18,6 +18,7 @@ a-la `I can't connect, please help`.
 8. Running configured for external reference Kasli without external reference clock signal
 9. Using legacy firmware with newer hardware. ARTIQ-6 doesn't support Kasli v2.0.2 (at least without the patch mentioned in the [legacy](artiq_legacy.md) article)
 10. Some other device in your network already reserved the configured IP address.
+11. For Kasli only: the SFP adapter is inserted into the slot other than SFP0 (only upper left is supported).
 
 ## Ways to diagnose