[systemd-devel] LLDP from Zyxel – "Operation not supported"

Susant Sahani susant at redhat.com
Wed Jan 14 23:13:37 PST 2015


Hi Mantas,
      I have sent a patch to ML to support locally assigned subtype. I have  
no way to test this out. Could you please apply the patch and test out so  
that we can apply the patch.

On Mon, 12 Jan 2015 13:35:55 +0530, Susant Sahani <susant at redhat.com>  
wrote:

> On Mon, 12 Jan 2015 13:23:40 +0530, Mantas Mikulėnas <grawity at gmail.com>  
> wrote:
>
>> I enabled LLDP receive for eth* in networkd. It recognizes outgoing  
>> packets
>> sent by lldpd (on the computer itself) and by ladvd (on pfSense), but
>> chokes on incoming packets sent by a Zyxel switch:
>>
>>> LLDP: Receive frame failed: Operation not supported
>
> The Zyxel switch sending port subtype as
>
> Port Id Subtype: Locally assigned (7).
>
> Currently supported port id are
>
> LLDP_PORT_SUBTYPE_PORT_COMPONENT:
> LLDP_PORT_SUBTYPE_INTERFACE_ALIAS:
> LLDP_PORT_SUBTYPE_INTERFACE_NAME:
> LLDP_PORT_SUBTYPE_MAC_ADDRESS:
>
>
> We need to add the LLDP_PORT_SUBTYPE_LOCALLY_ASSIGNED   = 7.
>
>>
>> Attaching the actual packet.
>>
>> (By the way, `networkctl lldp` is a bit boring – it'd be more useful to
>> show the SysName instead of the TTL...)
>>

Susant


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