CCNA Archives » Page 28 of 41

Introduction to OSPFv3 and Comparison to OSPFv2

September 1, 2019 By Asad Ijaz

OSPFv3 is routing protocol for IP version 6 Just like OSPFv2 is for IP version 4. There are several vital...

September 1, 2019 By Asad Ijaz

OSPF is one of the more complicated routing protocols, and it can be pretty threatening. Therefore, troubleshooting OSPF and verifying...

September 1, 2019 By Asad Ijaz

All interfaces have default bandwidth values assigned to them. When the default bandwidth is much higher than actual bandwidth it...

September 1, 2019 By Asad Ijaz

OSPF uses “Cost” as the value of the OSPF metric and uses a Reference Bandwidth of 100 Mbps for cost...

September 1, 2019 By Asad Ijaz

OSPF messages are forwarded to all OSPF-enabled interfaces by default. However, some interfaces not needed these messages. When you configure...

September 1, 2019 By Asad Ijaz

OSPFv2 is a link-state routing protocol Introduced in 1991 for IPv4 as an alternative to Routing Information Protocol (RIP). Figure...

August 31, 2019 By Asad Ijaz

If the router interface is configured with OSPF, the router must determine if another OSPF neighbor is on the link....

August 31, 2019 By Asad Ijaz

When an OSPF router is initially connected to a network it completes the following generic link-state routing OSPF process and...

August 31, 2019 By Asad Ijaz

Hello, Packets Type 1 are OSPF packets sent periodically on all interfaces, including virtual links, to establish and maintain neighbor...