org.onosproject.net.proxyarp

Interface ProxyArpService

public interface ProxyArpService

Service for processing arp requests on behalf of applications.

Method Summary

Modifier and Type	Method and Description
void	forward(org.onlab.packet.Ethernet eth) Forwards an ARP request to its destination.
boolean	handleArp(PacketContext context) Handles a arp packet.
boolean	known(org.onlab.packet.Ip4Address addr) Returns whether this particular IPv4 address is known to the system.
void	reply(org.onlab.packet.Ethernet eth, ConnectPoint inPort) Sends a reply for a given request.

Method Detail

known

boolean known(org.onlab.packet.Ip4Address addr)

Returns whether this particular IPv4 address is known to the system.

Parameters:

addr - an IPv4 address

Returns:

true if know, false otherwise

reply

void reply(org.onlab.packet.Ethernet eth,
           ConnectPoint inPort)

Sends a reply for a given request. If the host is not known then the arp will be flooded at all edge ports.

Parameters:

eth - an arp request

inPort - the port the request was received on

forward

void forward(org.onlab.packet.Ethernet eth)

Forwards an ARP request to its destination. Floods at the edge the ARP request if the destination is not known.

Parameters:

eth - an ethernet frame containing an ARP request.

handleArp

boolean handleArp(PacketContext context)

Handles a arp packet. Replies to arp requests and forwards request to the right place.

Parameters:

context - the packet context to handle

Returns:

true if handled, false otherwise.