netdev - Re: [iproute2] display vlan configuration

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Message-ID: <4FF62146.9070702@intel.com>
Date:	Thu, 05 Jul 2012 16:20:38 -0700
From:	John Fastabend <john.r.fastabend@...el.com>
To:	"Fabien C." <kczy1jafrl3jpq1@...able.org>
CC:	netdev@...r.kernel.org
Subject: Re: [iproute2] display vlan configuration

On 7/5/2012 4:06 PM, Fabien C. wrote:
> Hello,
>
> it looks like there is no way to show the vlan configuration with iproute (nor with any other tool apparently).
>
> This can lead to trouble since :
>   # ip link add link eth0 name eth2.333 type vlan id 444
>
> will create an interface that will show up like this with "ip link show" :
>   51: eth2.333@...0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN
>
> The only hint we have is the interface name, which may not be related to the vlan id we set earlier.

Here you need to show the details,

#ip -d link show dev eth2.333

 From my current setup,

# ip -d link show dev vlan0
33: vlan0@...3: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN
     link/ether 00:1b:21:55:23:59 brd ff:ff:ff:ff:ff:ff
     vlan id 101 <REORDER_HDR>
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