From: Stephen Hemminger <stephen@networkplumber.org>
To: David Christensen <drc@linux.vnet.ibm.com>
Cc: dev@dpdk.org
Subject: Re: [PATCH] net/tap: Set locally administered bit with a fixed MAC address
Date: Tue, 25 Apr 2023 17:39:59 -0700 [thread overview]
Message-ID: <20230425173959.3cb70f20@hermes.local> (raw)
In-Reply-To: <20230425205806.776057-1-drc@linux.vnet.ibm.com>
On Tue, 25 Apr 2023 16:58:06 -0400
David Christensen <drc@linux.vnet.ibm.com> wrote:
> When the tap driver is loaded and the user selects the optional
> "mac=fixed" setting, the tap driver incorrectly uses a globally
> unique EUI-48 identifier (as documented in RFC 7042) of
> 00:64:74:61:70:<iface_idx>. Since this is a locally generated ID,
> the Local bit in the MAC address should be set to 1, resulting in
> the new address 02:64:74:61:70:<iface_idx>.
>
> Bugzilla ID: 1198
>
> Signed-off-by: David Christensen <drc@linux.vnet.ibm.com>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>
next prev parent reply other threads:[~2023-04-26 0:40 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-25 20:58 David Christensen
2023-04-26 0:39 ` Stephen Hemminger [this message]
2023-04-26 15:58 ` Ferruh Yigit
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