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nixos/portcullis: Bring up 10G on the home hi VLAN

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portcullis is wired over 10G to fergal, which uplinks to jim's spare
SFP+ port. That uplink is untagged VLAN 1, so hi is carried tagged on a
lan-hi VLAN interface: a static assignment at 192.168.68.41 / ::6:1,
resolving through the router VIPs like any other hi client. Its gateway
route outranks the DHCP default, making 10G the preferred path while the
2.5G bootstrap stays as a fallback. Deploy now targets that address.

The hi MTU goes on the .network rather than the .link, since a .link is
only applied at udev device-add -- with it there, et10g-0 stays at 1500
across a switch and lan-hi cannot take 9000.

jim's sfp-spare was tagged into hi and lo out of band to match.

fergal turns out to belong with portcullis rather than to the home
fabric -- it goes to Nikhef when the box does -- so its documentation
moves to the colony site, leaving home/switches.md a short section on
what it borrows from that fabric.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This commit is contained in:
Jack O'Sullivan
2026-08-22 01:30:50 +01:00
parent 7bebac194c
commit 87cdfdbd97
9 changed files with 210 additions and 83 deletions
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docs/deployment.md
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@@ -181,7 +181,7 @@ image, with no cross-toolchain involved.
| Output | Box | Release |
|---|---|---|
| `openwrt-fergal` | [fergal](sites/home/switches.md#fergal-the-openwrt-switch) | `snapshot` |
| `openwrt-fergal` | [fergal](sites/colony/fergal.md) | `snapshot` |
| `openwrt-fergal-release` | The same, on the release branch | pinned in `openwrt/default.nix` |
Both are in `ci`, so images are built and pushed to the Harmonia cache like everything else. Build