Kentik

JULY 8, 2021

The Border Gateway Protocol (BGP) is a fundamental part of sending data over the internet. In this case, you want to be sure that your routes are correctly advertised and reachable following the change. Advertising routes that cannot deliver traffic is known as “blackholing.” What Can Go Wrong? Route Flapping.

Advertising 124

Advertising Routers Internet Networking 124

Kentik

FEBRUARY 8, 2016

Designed before the dawn of the commercial Internet, the Border Gateway Protocol (BGP) is a policy-based routing protocol that has long been an established part of the Internet infrastructure. BGP Basics: Routes, Peers, and Paths. One or multiple border routers. Introducing BGP.

Advertising 49

Advertising Routers Internet Protocol 49

Kentik

MAY 2, 2018

In simple terms, Border Gateway Protocol (BGP) is the protocol that routes traffic on the Internet. During a BGP route hijack, an attacker advertises IP prefixes from an ASN that is not the normal originator. Here we have the DNS clients sending their DNS queries to the hijacked blocks advertised by AS10297.

IP Address 49

IP Address DNS UDP port Advertising 49

Kentik

JULY 8, 2019

Border Gateway Protocol (more commonly known as BGP ) is the routing protocol that makes the internet work. In this case it was due to more specific prefixes that should not have been advertised. The entire RPKI process stands outside of the BGP routing protocol itself. It’s called RPKI. How Does RPKI Work?

Routers 58

Routers Protocol Internet Advertising 58

Kentik

JULY 25, 2016

More Basics: Advertising, Homing, and Cardinal Sins. In part 1 of this series, we established that BGP is the protocol used to route traffic across the interconnected Autonomous Systems (AS) that make up the Internet. Advertising Routes. For example, if you advertise 192.204.4.0/24 If you have any other networks (e.g.

Advertising 40

Advertising Internet Routers Protocol 40

NW Kings

JANUARY 7, 2025

Unlike dynamic routes, learned through dynamic routing protocols such as OSPF (Open Shortest Path First) or EIGRP (Enhanced Interior Gateway Routing Protocol), static routes require the network administrator to specify the next hop or destination IP address. What is a Static Route? What are the disadvantages of dynamic routing?

Routers 52

Routers IP Address Protocol Topology 52

CATO Networks

AUGUST 17, 2021

SASE merges the network optimization capabilities of SD-WAN with a full security stack, including Next Generation Firewall (NGFW), Secure Web Gateway (SWG), Zero Trust Network Access (ZTNA), and more. Each AS advertises which IP addresses it can route traffic to, helping traffic move from its source AS to the AS closest to its destination.

Networking 52

Networking Network NaaS SASE 52