OSPF over a Layer 2 Switch
Hi I have a really stupid question. I have 2 xLayer 2 switches (Cisco) and two routers connected to those switches. One routing to another network and the other to the internet. I want to setup OSPF to enter routes dynamically. They don’t want to pick-up neighbors unless they are directly connected. Any help will [...]

Answer Question   |  June 18, 2013  7:20 PM
Cisco, Layer 2 switches, OSPF

SLARP
In GNS, I manually assigned IP address to the serial links between two routers, and also made two more areas. All of them are running OSPF. When I restarted all the routers, I found out below that some interfaces it is shown as SLARP (using the command #show ip int brief). Does anyone know how [...]

Answer Question   |  November 27, 2012  5:26 PM
IP address, OSPF, SLARP

want a autofallback of link from bgp to ospf
hi ,   i have a cisco 1841 router connected to  2 different isp & running 2 different protocol  ( ospf & bgp )  i want to use  ospf link as a primary & auto switch to bgp link in case of pri link failure .  i have added static route to make ospf link [...]

Answer Question   |  June 8, 2012  12:33 PM
BGP, Cisco 1841, OSPF

Reasons for using RIP instead of OSPF,EIGRP
Now a days also why we are using RIP instead of OSPF,EIGRP.Any one knows means please tell me.

Answer Question   |  May 11, 2012  2:41 AM
CCNA, EIGRP, IPv6, OSPF

Configuring OSPF to speed up internal traffic with Cisco 1800?
How can I configure OSPF to speed up our internal traffic using a Cisco 1800? What information do I need to begin with? Does it need to be installed on all routers? Or just one?

Answer Question   |  February 10, 2011  9:02 PM
Cisco 1800, Cisco Routers, OSPF, OSPF protocol, Router configuration

What happened if I set ip unnumbered fa0/0 in my serial interface and later my fa0/0 went down?
My question is simple. what happened if I set ip unnumbered fa0/0 in my serial interface and later my fa0/0 goes down. if I establish ospf in that network which interface will proces the hello packet and which interface via send the hello packet ?. load balance ?

Answer Question   |  July 29, 2010  2:30 AM
CCIE, Cisco IOS, Cisco IOS Commands, OSPF

Can I prevent OSPF from advertising a specific network on an interface
Is there a way to tell OSPF to not advertise a specific network on a spefic interface without stopping the adverts of other networks? Example Router has 5 interfaces F1 is a link to another router F2 is a link to another router F3 = netB F4 = netC F5 = netD I need nets [...]

Answer Question   |  May 10, 2010  2:34 PM
Networking in 2010, networking standards, OSPF, OSPF protocol

OSPF Routers not Sharing Routing Information
Ive been trying to configure ospf on my home lab but they do not share routing information. Ive been trying to figure out the problem a week now but yet i cannot solve it.. Please could someone help me.. thanks.. Here is the config of my 3 routers running on frame relay Router1 router ospf [...]

Answer Question   |  April 19, 2010  9:57 AM
OSPF, Routers, Routing, Routing Table

OSPF (ASAP)
Hello  everyone, Here i have problem with my OSPF network problem. I have post  The detail below that explain the configuration i have implemented. THe problem is that i can ping from PC0 or PC1 to the backbone router. but i cannot ping the other side of the area 0. Also i can ping from [...]

Answer Question   |  March 29, 2010  2:12 AM
OSPF, OSPF protocol

OSPF
what the difference between OSPFv1 OSPFv2 and OSPFv3 ????

Answer Question   |  February 15, 2010  9:36 AM
OSPF, OSPF protocol, OSPFv1, OSPFv2, OSPFv3

When do I use RIP, EIGRP, IGRP AND OSPF?
When do I use RIP, EIGRP, IGRP AND OSPF?

Answer Question   |  January 7, 2010  7:27 PM
EIGRP, IGRP, Networking, OSPF, RIP, Routing protocols

RIP and OSPF security
can anybody explain to me the Routing Information Protocols and Open Shortest Path First security….how it works and how does it make sure the protocols is secured….?

Answer Question   |  September 8, 2009  7:14 AM
Open Shortest Path First, OSPF, RIP, RIP and OSPF security, Routing information protocol

regarding Network
How can i do practise of all levels if network practicals like ospf, eigrp and bgp, isis, hsrp etc.   I neeed link where i can i get best webside so i cam guide my self.

Answer Question   |  December 4, 2010  7:30 AM
EIGRP, HSRP, ISIS, OSPF

Connecting data closet switches to the core with redundant links
I’m moving our flat network which covers a three-story building and about 450 users to a subnetted network. I would like to know about connecting data closet switches to the core with redundant links. Can I implement OSPF on the core and connecting switches and eliminate spanning tree? In this environment do I really need [...]

Answer Question   |  June 2, 2009  1:15 PM
Cisco 6509, Cisco switches, Core, core networking, Networking, OSPF, Protocols, Routing and switching, spanning tree, Subnetting, Switches, VLAN, VSS

How do you configure load balancing on unequal path with OSPF
please tell me how to configure load-balance on unequal path with ospf.

Answer Question   |  May 22, 2009  3:55 AM
Cisco Loadbalancer, Load balancing, OSPF

VLSM routing protocols
which routing protocols support VLSM

Answer Question   |  January 26, 2012  11:39 AM
BGP, Border Gateway Protocol, IGRP, Interior Gateway Routing Protocol, IP routing protocols, IS-IS, Network routing protocols, Open Shortest Path First, OSPF, RIP, Routing information protocol, Variable Length Subnet Mask, VLSM

How can I enable OSPF in Cisco 3560G
ospf in cisco 3560G

Answer Question   |  October 24, 2008  8:29 AM
Cisco, Cisco 3560, Open Shortest Path First, OSPF, OSPF protocol

About routing protocol
Hi Engineers my name is vinod, i would like to no routing protocols ,like how rip,igrp,eigrp,ospf and bgp works and what is advantage and disadvantage of this protocols, specifically what is route poisening. i will appreciate for any kind of answer and any attachment or links will also help me. thank u

Answer Question   |  December 14, 2007  3:54 PM
BGP, EIGRP, IGRP, OSPF, RIP, Routers

OSPF Network Types
Can some one please explain the main differences and importance of OSPF network types?

Answer Question   |  November 27, 2007  12:35 AM
OSPF, Routing protocols