From: Stephen Hemminger <stephen@networkplumber.org>
To: William Tu <u9012063@gmail.com>
Cc: netdev@vger.kernel.org, Meenakshi Vohra <mvohra@vmware.com>,
Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Subject: Re: [PATCHv3 iproute2 net-next] gre: add support for ERSPAN tunnel
Date: Mon, 21 Aug 2017 21:10:28 -0700 [thread overview]
Message-ID: <20170821211028.080ec7c9@xeon-e3> (raw)
In-Reply-To: <1503060848-42034-1-git-send-email-u9012063@gmail.com>
On Fri, 18 Aug 2017 05:54:08 -0700
William Tu <u9012063@gmail.com> wrote:
> The patch adds ERSPAN type II tunnel support. The implementation
> is based on the draft at https://tools.ietf.org/html/draft-foschiano-erspan-01
> One of the purposes is for Linux box to be able to receive ERSPAN
> monitoring traffic sent from the Cisco switch, by creating a ERSPAN
> tunnel device. In addition, the patch also adds ERSPAN TX, so traffic
> can also be encapsulated into ERSPAN and sent out.
>
> The implementation reuses the key as ERSPAN session ID, and
> field 'erspan' as ERSPAN Index fields:
> ./ip link add dev ers11 type erspan seq key 100 erspan 123 \
> local 172.16.1.200 remote 172.16.1.100
>
> Signed-off-by: William Tu <u9012063@gmail.com>
> Signed-off-by: Meenakshi Vohra <mvohra@vmware.com>
> Cc: Stephen Hemminger <stephen@networkplumber.org>
> Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Waiting until ERSPAN is upstream in kernel (net-next).
prev parent reply other threads:[~2017-08-22 4:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-18 12:54 [PATCHv3 iproute2 net-next] gre: add support for ERSPAN tunnel William Tu
2017-08-22 4:10 ` Stephen Hemminger [this message]
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