US Robotics USR2410 Manual de usuario descargar pdf (Pagina 75)

-> [2] prio;

prio

-> dev_counter :: Counter

-> t :: PullTee

-> ToDevice($dev);

t [1] -> SetTimestamp -> Discard;

};

elementclass FromGridDev {

// push, no input

// `Grid' packets on first output

// `LinkStat' packets on second output

$dev, $mac |

FromDevice($dev, PROMISC false)

-> t :: Tee

-> HostEtherFilter($mac, DROP_OWN true)

-> cl :: Classifier(12/7fff, 12/7ffe, 12/7ffd, -);

cl [0] // `Grid' packets

-> ck :: CheckGridHeader

-> [0] output;

cl [1] // `LinkStat 1' packets

-> [1] output;

cl [2] // `LinkStat 2' packets

-> [1] output;

cl [3] // everything else

-> [2] output;

t [1] -> Discard;

ck [1] -> Print('Bad Grid header received', TIMESTAMP true, NBYTES 166) -> Discard;

};

// handles IP packets with no extra encapsulation

ip_demux :: IPClassifier(dst host me, // ip for us

dst net me/24); // ip for Grid network

//input demux from router

arp_demux :: Classifier(12/0806 20/0001, // arp queries

12/0800); // IP packets

//packets input from the router (grid dev)

ip_input :: CheckIPHeader -> GetIPAddress(16) -> ip_demux;

// packets to or from the router its self

//the router classifier may not be necessary

to_host :: ToHost(grid0);

//to_host_noGrid :: ToHost(extern0);

to_host_encap :: EtherEncap(0x0800, 1:1:1:1:1:1, 2:2:2:2:2:2)->to_host;

from_host :: FromHost(grid0, me/24)->arp_demux->ARPResponder(0.0.0/0 1:1:1:1:1:1) ->

to_host;

from_host_noGrid :: FromHost(extern0, extern/24)->arp_demux;

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