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3 changes: 2 additions & 1 deletion calico-enterprise/reference/resources/network.mdx
Original file line number Diff line number Diff line change
Expand Up @@ -191,6 +191,7 @@ A contiguous, inclusive range of VLAN IDs.
| routes | Additional routes to program into the workload's routing table for this interface, beyond the connected route for the subnet. | | List of [L2Route](#l2route) |

$[prodname] does not assign the network address, the broadcast address, or the gateway address of a subnet.
The gateway address is the `nextHop` of a route declared on that subnet, so a subnet with no routes has no reserved gateway address.
On a `/31` or `/32` no addresses are reserved, because those prefixes have no network or broadcast address to withhold.

### L2Route
Expand Down Expand Up @@ -251,7 +252,7 @@ It does not set them for you, because your host network configuration owns these
| Property | Required value | Why |
| ---------------- | ------------------------- | -------------------------------------------------------------------------------------------------------------------------------------- |
| VLAN filtering | Enabled | Without it the bridge ignores VLAN tags, so segments are not isolated from one another. |
| MAC address | Explicitly set, and not the trunk's | Otherwise the kernel borrows a port's address and re-chooses on every port change. Reusing the trunk's address can leave the bridge non-functional on some network card drivers. |
| MAC address | Explicitly set | Otherwise the kernel borrows a port's address and re-chooses it on every port change. Any address will do, as long as it does not change. |
| VLAN tag protocol | 802.1Q | $[prodname] programs 802.1Q membership and creates 802.1Q sub-devices. Nothing matches on an 802.1ad bridge. |

$[prodname] reads two of these from sysfs.
Expand Down