What networking layer do messages received via TCP or socket ...
Apr 10, 2018 · TCP is layer 4, the transport layer. IPv4 or IPv6 work at layer 3, the network layer.
networking - Network bridging - what's the point? - Server Fault
Feb 3, 2015 · Modern network switches are essentially multi-port bridges. A network bridge (aka a transparent bridge) has the following characteristics: It operates at the Data Link layer (OSI model …
Which layer is responsible for flow control? - Server Fault
Transport layer, more specifically TCP provides flow control by a backtracking algorithm while UDP does not. TCP has various flow and congestion avoiding protocols, such as TCP Vegas. As I get it: when …
router - How network devices affect TTL - Server Fault
May 5, 2011 · TTL is part of the IPv4 protocol (on v6 it is called "Hop Limit", as per Steven Monday's comment). Switches and hubs operate on a different layer of the ISO/OSI model (layer 2 as opposed …
tcpip - About the link layer of TCP/IP - Server Fault
Apr 17, 2011 · I know there're ethernet,token ring,FDDI ,etc protocat the link layer, but how to know the exact protocol used to perform a specific task,like browsing a web page?
Why is ICMP categorized as a layer 3 protocol? [closed]
May 30, 2013 · ICMP is implemented as a part of the IP layer so ICMP processing can be viewed as occurring parallel to, or as a part of, IP processing. Therefore, in the topic on TCP/IP-based layered …
What Does a Layer 3,4 Firewall do that a Layer 7 Does Not?
Jul 29, 2016 · Layer 7 firewalls (i.e. application gateways) can do all of the above, plus include the ability to intelligently inspect the contents of those network packets. For instance, a Layer 7 firewall could …
What does Spanning Tree Protocol (STP) do? - Server Fault
May 14, 2009 · 9 Quoting Wikipedia Spanning tree protocol - Spanning tree protocol is a link layer network protocol that ensures a loop-free topology for any bridged LAN. It is based on an algorithm …
Is a router itself contained in a component of physical layer in OSI ...
Jun 3, 2018 · Router is in L3 (network layer) which has its IP address, but we can also consider it in L1 (physical layer), since it is an object. If some sort of problem occurs, while sending or receiving some …
networking - DNS and OSI Layer Working - Server Fault
Sep 12, 2020 · 2 Regarding the OSI model, HTTP isn't on top of DNS, but both are independent application layer protocols, having their own OSI model stacks beneath. They can share the same …