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Cisco Learning Network The reason is simple: what is Unicast Reverse Path Forwarding? It is a technique used to check that a packet comes in on an interface, which will be used to reach the source of the packet However, when a router tries to ping its own interface, the packet flow is emulated, because the packets are actually sourced from the CPU and enter the
Why multicast UDP can be slower than unicast UDP? You have a difference on the "-b" (bandwidth) parameter for iPerf I am guessing that this is leading to the difference reported in IPG (inter-packet gap), which is a factor of 10 between your multicast and unicast cases Suspiciously close to your difference in reported bandwidth So that might all there is to it
Why cant IPv6 send broadcasts? - Server Fault Unicast Addresses: These are standard unicast addresses as in IPv4, one per host interface Multicast Addresses: These are addresses that represent various groups of IP devices: a message sent to a multicast address goes to all devices in the group IPv6 includes much better multicast features and many more multicast addresses than IPv4
Wake-on-LAN: Unicast is not working. Why? - Server Fault To make WOL work on a different network than where your server is connected, you need to use directed broadcast packets (unicast packets sent to broadcast address of remote network, properly configured remote router will allow the packet and send it as a broadcast on the intended network)
Unicast o broadcast - Cisco Learning Network En cambio, se envía Unknown unicast cuando una dirección MAC ha superado el tiempo de guardado en el Switch y desaparece de la Tabla MAC o si el Switch nunca aprendió esa dirección mac Entonces, del mismo ejemplo, host A envía una trama al host B, pero éste ya conoce la dirección MAC destino en su propia tabla ARP y formó una trama con
Cisco Learning Network Las direcciones Source Specific Multicast o SSM son un subconjunto de las direcciones multicast basadas en direccionamiento unicast (Network prefix = Plen = 0) Embedded RP Es posible incorporar en una dirección multicast la dirección del RP al que se deben unir los receptores para el descubrimiento de fuentes multicast
iptables translate multicast to unicast - Server Fault I'm not sure how successful this will be for different protocols but I was able to pick up UDP multicast data in user space using netcat on a host, then repack the data for the wire unicast to another host by piping the data back to netcat You'll need to iptables -A INPUT -p icmp --icmp-type destination-unreachable -s 10 0 0 2 -j DROP
IPv6 unique local addresses - Cisco Learning Network ULA addresses are defined in RFC 4193, Unique Local IPv6 Unicast Addresses illustrates the format of a unique local unicast address Structure of a Unique Local Unicast Address Unique local addresses have the prefix fc00:: 7, which results in the range of addresses from fc00:: 7 to fdff:: 7, as shown in Table 4-8
Why am I seeing unicast packets from a machine on another VLAN? If you enable routing for the VLAN, and the MAC DA [destination address] of an inbound unicast packet is that of the internal bridge-router interface, the packet is routed The IP address that you assigned to VLANs (visible on your last screenshot) does not "catch" packets by itself