On Wed, Dec 13, 2017 at 5:54 PM, Stephen Hemminger <step...@networkplumber.org> wrote: > On Wed, 13 Dec 2017 16:38:54 -0800 > William Tu <u9012...@gmail.com> wrote: > >> ERSPAN has two versions, v1 (type II) and v2 (type III). This patch >> series add support for erspan v2 based on existing erspan v1 >> implementation. The first patch refactors the existing erspan v1's >> header structure, making it extensible to put additional v2's header. >> The second and third patch introduces erspan v2's implementation to >> ipv4 and ipv6 erspan, for both native mode and collect metadata mode. >> Finally, test cases are added under the samples/bpf. >> >> Note: >> ERSPAN version 2 has many features and this patch does not implement >> all. One major use case of version 2 over version 1 is its timestamp >> and direction. So the traffic collector is able to distinguish the >> mirrorred traffic better. Other features such as SGT (security group >> tag), FT (frame type) for carrying non-ethernet packet, and optional >> subheader are not implemented yet. >> >> Example commandline for ERSPAN version 2: >> ip link add dev ip6erspan11 type ip6erspan seq key 102 \ >> local fc00:100::2 remote fc00:100::1 \ >> erspan_ver 2 erspan_dir 1 erspan_hwid 17 >> >> The corresponding iproute2 patch: >> https://marc.info/?l=linux-netdev&m=151321141525106&w=2 > > > If this is accepted to net-next you will need to > resubmit the iproute2 patch.
Hi Stephen, Yes, I noticed that I forgot to update the iproute2 man page. Thanks William
