On Mon, 12 Jan 2015 13:23:40 +0530, Mantas Mikulėnas <graw...@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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