Routing

Hi  I know in OSPF there are many states, DOWN, Attempt,INit, 2way, exstart, exchange, load, full, what about eigrp , is there any states like that ? I am looking to know that, is there any states EIGRP router goes through before it forms the neig...

Hi  I know OSPF operation, I have done configuration many time. I would like to know what is hierarchical network design in OSPF, 1. why do need that ?  2.How to design that ? 3. If not have hierarchical design what happens? Please answer.

I am trying to use dual isp's connections on CISCO 881 by using static route track. I have problem that I can't ping, telnet secondary router IP from WAN. this is the reason that secondary connection is not doing fail over. sla all commands are ok a...

Hi everyone, Original situation is that we had one IP Range 1xx.35.133.x/29 behind a Cisco C881-K9. The IP Range is being used on VLAN 1. The LAN goes to a Cisco ASA 5506 and there the traffic continues to our internal network. Because I need more IP...

We have been experiencing poor performance on our DSL line intermittently. The line terminates directly to the Cisco 1801. The telco has already said that they are not seeing any issues. Could the attenuation be a contributing factor here? Here is t...

We have three routers A ,B , C  in a hub and spoke fashion and which peer over a WAN. The links run pim biidr and most all the time Router A forwards multicast at close to 100M over the WAN to C where the receiver is. The Service provider polices bot...

Is there a way to specify a certain IP range for a DHCP pool on a Cisco 2901? I am familiar with the typical set up of a range that goes from 172.16.x.1 - .254 But I need to set an existing range to be something like 172.16.x.25 - 199. I can excluded...

I am trying to figure out where these entries are coming from. Here is an example. First two octets are fake. There are many like it. Pro Inside global     Inside local      Outside local       Outside global tcp 100.100.243.82:15 100.100.243.82:23 8...

Greetings, Trying out these new Cisco 4300 series routers and apparently some commands have changed... to be more specific I am trying to configure netflow and none of the traditional commands work:#conf tip flow-export source gig 0/0ip flow-export v...

Hi, I need to setup VPN tunnel from our office to an external party. All information that I got was IP address of the remote site, internal IP address and shared-key. My settings currently is as follow  !crypto isakmp policy 2 encr 3des authenticati...