2 ms·
> Or a way to put VLANs in something like a VLAN sorta. 802.1ad, a.k.a. "Q-in-Q" [0] > However MPLS label space is 20 bits so you're good to a million custome
by jlgaddis 10y ago
> Or a way to put VLANs in something like a VLAN sorta.
802.1ad, a.k.a. "Q-in-Q" [0]
> However MPLS label space is 20 bits so you're good to a million customers.
VXLAN, cf. RFC 7348 [1], is the latest coolness, allowing for up to 16M "virtual" networks (using 24 bits) and bridging layer 2 over IP (4789/UDP).
[0]: https://en.m.wikipedia.org/wiki/IEEE_802.1ad https://en.m.wikipedia.org/wiki/IEEE_802.1ad
[1]: https://tools.ietf.org/html/rfc7348 https://tools.ietf.org/html/rfc7348