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Open Source Used In Cisco DSP IP Cameras 254
If you don't follow the above procedures, you will have to create the
user/group '_lldpd'. Have a look at how this is done in
'osx/scripts/postinstall'.
Usage
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lldpd also implements CDP (Cisco Discovery Protocol), FDP (Foundry
Discovery Protocol), SONMP (Nortel Discovery Protocol) and EDP
(Extreme Discovery Protocol). However, recent versions of IOS should
support LLDP and most Extreme stuff support LLDP. When a EDP, CDP or
SONMP frame is received on a given interface, lldpd starts sending
EDP, CDP, FDP or SONMP frame on this interface. Informations collected
through EDP/CDP/FDP/SONMP are integrated with other informations and
can be queried with 'lldpcli' or through SNMP.
For bonding, you need 2.6.24 (in previous version, PACKET_ORIGDEV
affected only non multicast packets). See:
* http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-
2.6.git;a=commitdiff;h=80feaacb8a6400a9540a961b6743c69a5896b937
* http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-
2.6.git;a=commitdiff;h=8032b46489e50ef8f3992159abd0349b5b8e476c
Otherwise, a packet received on a bond will be affected to all
interfaces of the bond.
On 2.6.27, we are able to receive packets on real interface for bonded
devices. This allows one to get neighbor information on active/backup
bonds. Without the 2.6.27, lldpd won't receive any information on
inactive slaves. Here are the patchs (thanks to Joe Eykholt):
* http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-
2.6.git;a=commit;h=0d7a3681232f545c6a59f77e60f7667673ef0e93
* http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-
2.6.git;a=commit;h=cc9bd5cebc0825e0fabc0186ab85806a0891104f
* http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-
2.6.git;a=commit;h=f982307f22db96201e41540295f24e8dcc10c78f
On FreeBSD, only a recent 9 kernel (9.1 or more recent) will allow to
send LLDP frames on enslaved devices. See this bug report for more
information:
* http://www.freebsd.org/cgi/query-pr.cgi?pr=138620
Some devices (notably Cisco IOS) send frames on the native VLAN while
they should send them untagged. If your network card does not support
accelerated VLAN, you will receive those frames as well. However, if