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Checks whether the value of the flags field is 1. If so, the DHCP relay agent broadcasts the DHCPOFFER message to the DHCP client. If not, the DHCP relay agent unicasts the DHCPOFFER message to the DHCP client. Stage 3: Request stage The message exchange between the DHCP relay agent ...
actions, data transfer, and eventing. By using multicast (called HTTPMU) to run HTTP overUDP(port 1900), device search requests and advertisements can be supported. The response to the search request is also sent via UDP, but using unicast (called...
According to thePeer Listfield in the preceding command output, the local VTEP can determine which remote VTEPs belong to the same BD (or same VNI). This determines the scope of the same large Layer 2 broadcast domain. When the VTEP receives broadcast, unknown unicast, and multicast (BUM) ...
Compare this with a unicast address, used to send data packets to a single device, and a multicast address, which transmits data packets to a group of devices. Every network or subnet has one unique broadcast IP. This reserved address is what all participants of a network use to send info...
Step 5: Responding to the ARP request.The device that contains the matching IP address prepares an ARP reply. This unicast message, containing both its IP and MAC addresses, is sent directly back to the sender. Step 6: Updating the ARP cache.Once the sender receives this ARP reply, it up...
If a DNS resolving service does not use Anycast, it likely uses unicast routing. In unicast routing, every DNS server has one IP address, and every DNS query goes to a specific server. If that resolver is down or unavailable, the client will have to query additional DNS resolvers, adding...
A service's health status can be queried by using query parameters such as OnServiceFailure, OnDispatcherFailure, OnListenerFailure, OnThrottlePercentExceeded), and an HTTP response code can be specified for each query parameter. If the HTTP response code is omitted for a query parameter, a ...
SIP is a request-response protocol. Requests and responses are the names message protocols send between devices to communicate. SIP receives requests from clients and responses from servers. Requests can be sent through any transport protocol, such as User Datagram Protocol, Stream Control Transmission...
Response passing through a hub. (Image: askleo.com) Every computer connected to the hub “sees” everything every other computer on the hub does. It’s up to the computers themselves to decide if a message is for them and whether or not it should be paid attention to. The hub itself...