Routing

Hi, I am not clear on OSPF. Why do we need two kinds of states in OSPF ie OSPF neighbor states and interface states? I know abt neighbor states, but what is the significance of interface states?

I used to be pretty good with VLSM addressing, but it's been a while since I've looked at it and I'm confused. I don't have a problem subnetting an existing subnet into equal subnets, but I need some help in subnetting with variable subnets. For exam...

hello there, i am a newbie with cisco routers. i was able to connect to 2 buildings using 1600 on the one end and a 1700 series router on the other end thru a copper lease line. i just found a cisco 878 router in the market and it has a g.shdsl wan p...

Hai, need ur profesional advised,i have 1 core router that connected to 3 ISP and 5 customer with differ capacitycust1-ISP1-2Mcust2-ISP1-4Mcust3-ISP2-stm1cust4-ISP3-45Mcust5-ISP3-8M1. do i need edge router that will interconnect to my customer. can i...

We're getting another mpls as a back up for our existing mlps backbone. Pls. find attachment diagram if this configuration is possible. Thanks.

This question is in regards to the proper placement of a QoS policy for WAN interfaces. I am running Frame Relay between our CE-PE connections where we interface with the provider for MPLS services. In doing this, we end up with a subinterface, and...

I have some Cisco WIC-IT cards connected to DATA cards on a DXR200 radio microwave system using a 60pin to DB15 connectors at a data rate of 64kb/s or 128kb/s.I have 17 of these WIC-IT cards on 17 radio microwave sites and 4 of these WIC-IT cards fro...

Hi,We are planning up upgrade IOS on RSP-7507 router. We are having 2 RSP cards in redundant mode. While we were updrading IOS we upgraded it on the first RSP-Card-Flash memory. But when we were upgrading IOS on the second RSP-Card-Flash we found th...

Question. I'm installing a Bonded 3meg T1 at one of my remote location. For an edge router what is recommended. 2800 series or 3800? Internally it will connect to a 3560 switch which will then go to a firewall. this router will be strictly used for R...

can we use same IOS image for 2 different Router Models, like i have IOS image " c1700-advsecurityk9-mz.123-5d.bin " . can i upload and use this IOS image in both Cisco 1720 and Cisco 1721 Routers, Would it support the same Router Interface Cards and...

Hi All,Is there any similarity between RTD and Latency?Can anyone explain in detail abount Latency and RTD?My understanding of latency is that its the time taken to a packet to reach the destination from a source.Then ICMP messages comes back to sour...

I am looking for the page which defines what is included in each feature set. I am specifically looking for Ip based ssh(lan only) to nderstand what is included in LAN only.

1 main site, 5 branch offices connected via point to point T1 lines.Users at branch offices access resources (files, sharepoint, web, etc) at the main site.If the objective is for users at branch offices to observe accelerated WAN use accessing resou...