Routing

I have configured NAT on the router and can ping all the way to the cable modem from a laptop through the 2621xm, but I cannot get the internet.  I am posting the configs.  Can anyone see where I have missed something? This is a cable modem and a sta...

Hello all!I have the following setup for VoIP at my place of business (educational):1 - UC520 (VLAN 100)1 - ESW-48P PoE Switch (VLAN 100)1 - ESW-24P PoE Switch (VLAN 100)24 SPA502G Phones (VLAN 100)1 Valcom SIP IP Speaker - VIP-410 (VLAN 1)1 Valcom S...

I've been reading about about QoS over GRE/VPN tunnels, and I want to make sure I'm understanding things correctly and taking the right approach.Here's my example:Site A - 10.1.0.0/16Site B - 10.2.0.0/16Routers on both sides are set up like my lovely...

Hi,Im preparing for CCNP ROUTE exam, and in the official book ciscopress the formula for EIGRP is something like this:256 * ( ( 10.000.000 / slowest band along the path) +  cumulative delays)But, in CCNP library before 2010 and the new release of exa...

Hi,I recieved this error message in my logs at the same time a route was lost to another siteDec 15 12:21:14.572: %TDP-5-INFO: VRF X: TDP ID removedI was wondering if anyone could please shed some insight into what this might mean. The route came bac...

We've installing a new system for communicating out to 150ish remote sites from a single location. The comms network between them is going to be a single G703/E1 link back to a single location.The connection at the central location is going to be a n...

Hi All,Please Support for WIC-2T , we have one 2821 router with wic-2t currently serial link is running with 2mbps and we want to update with 4 mbps so pls refer any document for same .RegardsMak

Hi Experts,What can be the possible reasons why an enterprize would need an Internet BGP Autonomous no?We have 2 ISPs in our company...do we need a BGP ASN and how can that benefit us?Thanks.

Hello everyone,we need to interconnect multiple branch office (CISCO 1841 with VWIC-1MFT-E1 ) via E1 links to the main site (CISCO 3745 with NM-8E1 IMA ). We succeeded to connect them using the same VWIC-1MFT-E1 at both sides (Branch / HQ), but I nee...

Quick question, I just set up a Cisco 831 at home, and rather than write a NAT statement for every port that needs tobe forwarded can I just have my device NAT all incoming connections to my Linux box?Here is the current related portions of my config...

Hello,is there a way to change MTU on subinterfaces? i.e on one physical interface one subinterface has MTU 1900 and other has 1500?I need that for xconnect (connection doesn't get up becuase MTU on endpoints are not equal). (On one side of xconnect ...

Dear All,I have a stack composed by:Switch   Ports  Model              SW Version              SW Image------   -----  -----              ----------              ----------*    1   52     WS-C3750G-48TS     12.2(35)SE5             C3750-IPBASE-M     ...

I have a 7600-ES+20G3CXL (ES+ port).one port was inserted in T-GBIC to use RJ-45 STP cable and I configured speed 100 on the port.And today, I removed T-GBIC on that port and I inserted LX Optic GBIC to use optic cable.But, the port status is still i...

Dear community,I have the following issue which I cannot solve.My company is  migrating to GETVPN and we use OSPF to connect to our provider. On its  PEs the provider has set max-lsa to 3000, where 3000 is the sum of all  LSAs of my company's routers...