Routing

I'm a WISP, I have a 2851 router at our head-end that has a 4 port EHWIC in one of it's slots with our wireless backup link, bandwidth manger's management interface, and power monitoring device plugging into it.  A few hours ago I our network monitor...

Hi all,Please be gentle - I've been googling and reading up everything I can for the past 2 weeks without any progress.  I've also had to rewrite this question 4 times to get past the anti-spam check... meaning there's less detail now than I wanted t...

Hello, First of all, please excuse me for my level of English. I have a question face to face of the use of the protocol SNMP with a single public IP address I have to oversee several routers, and I wanted to know if we could use NAT with various por...

I have a question on Cisco DHCP router, We have configured dhcp on cisco servers and I am trying to find the show commands for the dhcp scope details, like reserve addresses, lease time etc.I have used commands like sh ip dhcp scope and bindings but ...

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 an...

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...