What version of Home Assistant Core has the issue?Ĭore-2022.3. Using IGMP snooping, the physical switches learn the new location of the virtual machine and forward multicast traffic to the corresponding host vSwitch. Having the TTL set to 1 by default and not configurable prevents routing the multicast packets without first mangling them, which not all routers support. Note: The TTL for the IP packet should default to 2 and should be configurable. Since packets with Auto-IP addresses will not be forwarded by routers).įrom Section 1.3.2 (Search request with M-SEARCH): Possible for multicast messages to traverse multiple routers therefore control points andĭevices using non-AutoIP addresses shall send an IGMP Join message so that routers willįorward multicast messages to them (this is not necessary when using an Auto-IP address, To limit network congestion, the time-to-live (TTL) of each IP packet for each multicast However, the UPnP Device Architecture 2.0 spec recommends that the IPv4 TTL default to 2 and also be configurable.įrom Section 1 (Discovery) of the above spec: The number can be displayed in binary, decimal, hexadecimal, etc., as shown in the figure below, with decimal being the most common. IP address is used to identify the device that sends or receives data in cyberspace and is represented by a string of numbers. Looks like some device is looking for friends to talk to. 239.255.255.250 is an IP address, it represents a device on the Internet.
239.255.255.250 is the multicast address used by SSDP, which is used in the initial discovery phase of DLNA (and UPnP).
The latitude and longitude of the location. ^.RT.E.Ġx0010: 0076 2dfb 4000 0111 f07d 0a02 6102 efff fffa c762 076c 0062 5b72 4d2d 5345 4152. IP lookup tool provides you with an IP Location and information about a users registered IP address location. It operates over TCP and UDP port 3702 and uses IP multicast address 239.255.255.250.
~ # tcpdump -i ens3 -n -e -vvv -XX 'host 239.255.255.250' multicast discovery protocol to locate services on a local network.
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