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| author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
|---|---|---|
| committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
| commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
| tree | 65ca85f13617aee1dce474596800950f266a456c /roms/u-boot/doc/README.VLAN | |
| download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip | |
Diffstat (limited to 'roms/u-boot/doc/README.VLAN')
| -rw-r--r-- | roms/u-boot/doc/README.VLAN | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/roms/u-boot/doc/README.VLAN b/roms/u-boot/doc/README.VLAN new file mode 100644 index 00000000..4f86d55e --- /dev/null +++ b/roms/u-boot/doc/README.VLAN @@ -0,0 +1,15 @@ +U-Boot has networking support for VLANs (802.1q), and CDP (Cisco +Discovery Protocol). + +You control the sending/receiving of VLAN tagged packets with the +"vlan" environmental variable. When not present no tagging is +performed. + +CDP is used mainly to discover your device VLAN(s) when connected to +a Cisco switch. + +Note: In order to enable CDP support a small change is needed in the +networking driver. You have to enable reception of the +01:00:0c:cc:cc:cc MAC address which is a multicast address. + +Various defines control CDP; see the README section. |