CATO Networks

AUGUST 17, 2021

By choosing the best available path, SD-WAN provides better performance and reliability than broadband Internet. Keep in mind however, that unless SD-WAN is deployed as part of SASE, it cant support global connectivity, network optimization, WAN and Internet security, cloud acceleration, and remote users.

Network 52

Network Networking NaaS SASE 52

Kentik

MARCH 19, 2020

This could mean the users are saturating the internet connectivity or that they’ve saturated the LAN (or maybe WAN). This configuration is known as a “split-tunnel” configuration and is set up by rules to exclude specific ports, protocols, or networks. More advanced VPNs can do this by application type.

VPN 69

VPN Network Networking Gateway 69

The Network DNA

JUNE 19, 2024

CCNA: TCP Sequence & Port Number This article can be read as the second part of the previous article CCNA: 3-Way Handshake where we discussed what makes TCP a reliable protocol for transmitting information. CCNA RnS Article #28: Why Spanning Tree Protocol? Lets discuss the TCP SEQ and Port numbers in this article.

Port 52

Port TCP Ethernet LAN 52

The Network DNA

JUNE 24, 2024

CCNA RnS Article #28: Why Spanning Tree Protocol? CCNA RnS Article #27: VLAN Trunking Configuration CCNA RnS Article #26: Configuring VLANs CCNA RnS Article #25: Inter-VLAN Routing CCNA RnS Article #24: VLAN Tagging CCNA RnS Article #23: Virtual LAN (VLAN) Concept CCNA RnS Article #22: Interface Auto-negotiation in Action!

Ethernet 52

Ethernet Port LAN Protocol 52

The Network DNA

JUNE 17, 2024

CCNA: TCP 3-Way Handshake In this article, lets take a look at TCP three-way handshake and other useful information that makes TCP a reliable communication protocol. CCNA RnS Article #28: Why Spanning Tree Protocol? Before TCP can send any traffic, it first contacts the other device and establish a reliable and controlled connection.

TCP 52

TCP Ethernet Port LAN 52

The Network DNA

JUNE 11, 2024

All other systems on the LAN read the MAC and ignore the frame as the message is not for them as the DMAC value does not match with their hardware address. EtherType : this field defines which layer 3 protocol will handle the processing of the frame at the next top layer, such as IPv4 or IPv6.

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Ethernet LAN TCP Protocol 40

CATO Networks

JUNE 14, 2023

There exist several protocols, from different network layers that can be used for OS fingerprinting. Figure 1 displays these protocols, based on the Open Systems Interconnection (OSI) model. Over this protocol, a unique physical identifier, called the MAC address, is allocated to the network interface card (NIC) of each network device.

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IoT TCP Protocol Server 52

Kentik

JANUARY 13, 2021

Send these pings using the Internet Control Message Protocol (ICMP) or TCP to one or any of the devices you believe to be involved. In some cases if ICMP is filtered, you can usually switch to TCP (Transmission Control Protocol) and use tcping, telnet, or another TCP-based method to check for reachability.

Network 114

Network Networking TCP Protocol 114

Akins IT

NOVEMBER 17, 2020

Luckily, SD-WAN can be configured to prioritize business-critical traffic and real-time services like Voice over Internet Protocol (VoIP) and then effectively steer it over the most efficient route. Essentially, an MPLS-based WAN must inefficiently backhaul Internet-bound traffic to a corporate datacenter. IMPROVES PERFORMANCE.

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WAN MPLS Digital Transformation Bandwidth 52

Kentik

JUNE 13, 2016

Whether a local LAN, a private WAN, or the Internet, a network functions as the circulatory system for a body of knowledge. Kentik Detect doesn’t just provide visibility — with scalability and performance — into communications patterns, protocol usage, top talkers, and other commonly used troubleshooting information.

Network Security 40

Network Security Network Networking Protocol 40

Kentik

AUGUST 1, 2016

The remainder of possible ASN values available for Internet routing range from 1 through to 64,511 (except 23,456). One more clarification before we start configuring: BGP can be used internally (iBGP) within an AS to manage routes, and externally (eBGP) to route between ASes, which is what makes possible the Internet itself.

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Routers Advertising IP Address Ethernet 40

Kentik

AUGUST 14, 2017

We know that flows are a set of packets that share common attributes including protocol, source and destination IP, and src, dst, and next-hop AS. Inbound traffic: The flow represents ingress traffic from a peer, transit provider, Internet Exchange, etc. The problem arises because flow records (NetFlow, sFlow, IPFIX, etc.)

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IP Address Routers Network Networking 40

Rule 11

JANUARY 24, 2025

In this post, we start by explaining the configuration of our switching infrastructure using common IETF protocols to implement redundancy, full usage of resources, and seamless adaptivity in case of failures or maintenance. I wonder how many of you have noticed a subtle change in the way that you navigate the web?

IP Address 52

IP Address LAN Internet Protocol 52