I sure am glad you answered that. It also helped me.
Jenn Cribbs
>===== Original Message From "Doug Lockwood" =====
>"1. What is the two status on PVC mode ? In SVC, which have three status
>(call setup , transfer and call terminate). "
>
>I have seen 3 on both ATM and Frame Relay:
>Active, inactive and deleted.
>
>Active were circuits that are "up"
>Inactive were VC's that were not configured on that router that are
>discovered by signaling
>Deleted are VC's that are reported down by signaling.
>
>"2. Frame Relay is a protocol name or protocol type?"
>Hard question to answer.
>Frame Relay is the name of a Layer 1 and 2 transport protocol for Wide area
>networks. It was an upgrade from x.25, designed for higher speed lines with
>lower error rates.
>
>"3. In IPX RIP, if one router is down. The other router will send three time
>keep alive packet to the dead router. If no response, this router will
>delete from the routing table. How about oin IP RIP?"
>
>IP and IPX RIP function Similarly. The entire RIP Database is sent every 30
>seconds for IP RIP and every 60 seconds for IPX
>RIP. IN IP RIP, if routing updates from a neighboring router have not
>arrived within 180 seconds, the routes learned from that router are marked
>invalid and the holddown timer of 180 seconds is started.
>if no updates arrive in that 180 seconds, the routes are removed from the
>routing table.
>Note, the "keepalive" is one or more packets that contain the full routing
>information of the router.
>
>"4. What is benefit of partial mesh compare with fully mesh? It will use
>less routers or use less virtual circuits ?"
>
>A partial mesh costs less, compared to a full mesh. It will use the same
>number of routers, but less PVC's. Each pvc costs money and adds
>complexity. However, if most of the traffic is not destined for the hub,
>the hub and spoke adds latency and uses bandwidth on both links. Both
>designs are appropriate, depending on the nature of the traffic.
>
>Hope this helps.
>
>Doug
Have a great day!
Jenn
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=7017&t=6974
--------------------------------------------------
FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html
Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
