Model Based Services Discovery and Management

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03-06-2008

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Model Based Services Discovery and Management

HPL-2008-19 Model Based Services Discovery and Management - Taylor, Richard; Tofts, Chris
Keyword(s): Outsorcing, Services, Modelling, Scenarios, Risk
Abstract: Service systems fail all too frequently. `Overdue, over budget and disappointing' are the words frequently used by organisations to describe their experience in the development and commissioning of complex information systems enabled services. More considered analyses question anticipated productivi ...
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ladvd

ladvd(8)						      System Manager's Manual							  ladvd(8)

NAME

       ladvd - send link layer advertisements

SYNOPSIS

       ladvd [ -a ] [ INTERFACE ] [ INTERFACE ] ...

DESCRIPTION

       ladvd  sends LLDP (Link Layer Discovery Protocol) advertisements on all available interfaces. This makes connected hosts visible on managed
       switches. By default it will run as a privilege-separated daemon. Additional protocols can be enabled using the -C, -E, -F and -N  options.
       Optionally a list of interfaces which ladvd should utilize can be supplied.

INTERFACES

       ladvd  detects  and uses all configured (UP) physical Ethernet interfaces by default, wireless interfaces can be enabled via the -w option.
       Additionally ladvd will recognize bundled interfaces (bridges, bonding) and use these to transmit additional  information.  The	result	is
       that  normally  it should not be necessary to specify interfaces on the ladvd command-line. The only reason for specifying interfaces is to
       explicitly exclude a particular interface.

OPTIONS

       -a     Auto-enable protocols based on received packets (also enables receive mode).

       -d     Dump pcap-compatible packets to stdout which can be piped to tcpdump (via "| tcpdump -r -") or redirected  to  a	file  for  further
	      analysis.

       -f     Run in the foreground and send logging to stderr.

       -h     Print usage instructions.

       -m address
	      Management address for unnumbered interfaces, can be specified for IPv4 and IPv6.

       -n     Use management addresses specified via -m for all interfaces.

       -o     Run only once, useful for quick troubleshooting.

       -r     Receive packets, and use them for various features.

       -q     Use  each  interface's  hwaddr  the  generate  the chassis-id TLV. Not recommended because the chassis-id should be the same for all
	      interfaces.

       -t     Use Tun/Tap interfaces.

       -u user
	      Switch to this user (defaults to ladvd)

       -v     Increase logging verbosity.

       -w     Use wireless interfaces.

       -z     Save received peer information in interface descriptions (requires SIOCSIFDESCR support). This also enables receive mode.

       -c <CC>
	      Specify a two-letter ISO 3166 country code (required for LLDP location support).

       -l <location>
	      Specify the physical location of the host.

       -C     Enable CDP (Cisco Discovery Protocol).

       -E     Enable EDP (Extreme Discovery Protocol).

       -F     Enable FDP (Foundry Discovery Protocol).

       -N     Enable NDP (Nortel Discovery Protocol) formerly called SynOptics Network Management Protocol (SONMP).

AUTHOR

       Sten Spans <sten@blinkenlights.nl>

ladvd								   July 19 2009 							  ladvd(8)

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