Yeah you seem to be right. One should be careful with everything layer 2. One should additionally be careful with the DHCP client as it seems to use raw sockets in some cases (so you can't even capture the packets using iptables). And furthermore, when you're using VMware you should not tag the packets in the VM in any case because the vSwitch ...
1.4.b Embedded packet capture ,Apply troubleshooting methodologies; 1.4.c Diagnose the root cause of networking issue (analyze symptoms, identify and describe root cause) 1.4.d Design and implement valid solutions according to constraints ; 1.4.e Verify and monitor resolution ,Interpret packet capture,Using wireshark trace analyzer
The vast majority packets are beacons and the probe requests. If I filter out beacons using the filter !(wlan.fc.type_subtype==0x08), I can see some ARP, ICMPv6, IGMPv3 and DHCP packets. These packets mostly came when a fresh connection is made from a station to an AP.
Sep 23, 2014 · TYPE: PACKET TOO BIG § When a router must forward a datagram on a link with an MTU smaller than the packet size § It drops the packet § It sends an ICMPv6 Packet Too Big providing the MTU of the link § The source must § Send a new and smaller packet with a length matching the available MTU § Or send the original datagram fragmented with a ...
Dec 12, 2018 · To verify if your phone(s) are using IGMPv3, you can take a network traffic capture using a protocol analyzer like Wireshark (see “Network Traffic Capture”). In the capture, the phone will issue an IGMP join to listen to the multicast audio. The version of the IGMP join can be seen on the packet (circled in red in the following graphic).
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