Routing

I've came across a very odd topology to deal with where everything is connected to everything, without proper utilization of VLANs. - I've an L3 SW and a 3745 RTR at core - Both are carrying same subnet to an L2 distribution switch that connects serv...

We have purchased Comcast fiber EDI services. They run a fiber to our office and connect to a Ciena 3930 switch. The speed we have is 30 down and use for Internet. Comcast provide a /30 and /29 address. Do I need an additional router to route /30 to ...

Hi, can anyone recommand me a Single mode fiber NM adaptor for cisco 3945 router?  I see they have gbic available for the 3900 series but i am looking for a NM adaptor instead insert the gbic straight into the slot.  any recommandation would be appre...

Hello friends,Happy New Year.Please help me to understand the below :•1.       In my router I have two tunnels, Tunnel1 & Tunnel2. I have created a route-map named as “SMTP” to forward the traffic of port 25 (SMTP) through the Tunnel1 & if this is no...

I've got a primary DMVPN cloud that carries most VPN traffic between 5 sites. I've got a couple sites that have secondary links that I'd like to use to route only voice traffic over (unless of course there is a failure in which case either link will ...

Hi,I'm currently running a 2911 with POE PSU and a EHWIC-D-8ESG-P to support my phones. But I don't get IPv6 to work 100%.IPv4 Looks fine.IPv6 ping from router to everything is fine.IPv6 ping from device connected to switch module to other device on ...

Greetings -- My ISP has installed Ethernet/Internet service at my office (3Mbps up/3Mbps down). The provider calls it "3M EIA service". This comes with a block of 8 static IP addresses (/29 with 5 useable addresses). This replaces a DSL connection. M...

I have two 2911 routers running 15.3.1 IOS. One is at our main location (CORP)  and the other is at our new building (REMOTE).  We just got our ME (Metro Ethernet) connection turned up through our provider (CentruyLink) at REMOTE but they are delayed...

                   Dea team,Could you please let us know what are the diffrences between Sup engines, PRP and RSP's. Thanks in advanceNaveen

Hi All,First I would like to greet you all... Wish You Happy New Year 2013I am working as a network engineer in MNC company, I want to join CCIE R& S. Would you please suggest me where should I go for CCIE training.Please help me...ThanksPavan K

I am currently trying to ping connectivity to all devices and am having an extremely hard time. I have attached the packet tracer info.

Last time, i had a very bad experience with L2 loop. All my switches were connected together as ring topology. We use REP to block redundancy link.One of my colleagure was setting up a new link(VLAN) for one customer which was then cause a L2 loop. T...