Automatic Web Traffic Generator

What are the key characteristics of OSPF?

Scalability With OSPF, an AS can be subdivided into contiguous groups of networks called areas. Routes within areas can be summarized to minimize route table entries. Areas can be configured with a ... read more

Simulation-based Comparative Study of OSPF and EIGRP Routing Protocols

Routing protocol evolution has followed a similar path, simple distance-vector protocols and default routes led the way to link-state and ... thesis is based on the two internal gateway protocols, ... read more

OSPF Default Route

With this simple topology of 2 Cisco routers, we will configure default route in OSPF. The scenario is interface loopback 0 on R1 (100.100.100.1) will not advertised into OSPF, R2 will reach it ... read more

Introduction to Border Gateway Protocol (BGP)

IGPs, like OSPF EIGRP, operate within an autonomous ... You can advertise the site route or static routes and receive a default route from your Internet service provider. A dual-homed site has ... read more

Cisco OSPF Route Redistribution

Redistributed routes become OSPF external type 2 routes by default. The default cost or metric of a redistributed route is 1 for BGP and 20 for all other protocols. This command will redistribute ... read more

Route Tagging: Why and When To Implement

So you had three sites injecting default routes into OSPF, and each site had to pick which one it wanted (used an SLA on the static default, so if it could not get to the far side of the firewall that ... read more

How to configure basic OSPF

SEE: 20 quick tips to make Linux networking easier To configure basic OSPF ... E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * ... read more

IPv4 Anycast with Linux and Quagga

router ospf 1 log-adjacency-changes network 10.0.2.0 0.0.0.255 area 10.0.2.2 network 10.0.0.128 0.0.0.128 area 0.0.0.0 area 10.0.2.2 nssa no-summary default-information-originate area 10.0.2.2 ... read more

Configuring Routing Policy

For more information about preference values, see the Table 9.1, "Default Route Preference Values," on page 379. You can specify two tag strings: tag (for the first string) and tag2. These values are ... read more

Summarizing IP routes with EIGRP and OSPF

This summary route between OSPF and RIP will not work by default. Before we configure summary routes with EIGRP, let’s take a look at the 1005A routing table. The 1005A can run EIGRP so no ... read more