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Hi All, I have a simple question that need to be clarified. I have 3 CCNA(Introduction, R&S, Security) and all of them are from different dates, January, July and December. All of them are from the same y... Studying for CCNA Routing and Switching, and I am on configuring a NAT. One of the parameters for an address pool is either the subnet mask, or prefix length. What exactly is a prefix length, and how do I c... I'm trying to get my router online. So i set a static route [R1(config)#ip route 0.0.0.0 0.0.0.0 xxx.xxx.xxx.xxx] on e1/0 but I can't ping outside my network. I can ping any and everything inside of my network any wh... how to gain real time Trouble shooting Scenario Pls guide me I need to do a VPN tunnel between Router-A and Router-B, so that Area0 OSPF equipment can access Server0 and PC10. Can anyone help? I'm running Debian 9 with xfce4 in my lab. We are using the PacketTracer71_64bit_linux.tar.gz file. Steps: - decompress. tar -xzf PacketTracer71_64bit_linux.tar.gz -chmod +x install ./instsll The install... Hi, I have completed a certification on CCNA CYBER OPS. would i get the certification to home? Is their any process should i do to get it to home or they only provide badge?. Hoping for your reply soon Hello everybody. I have some problems... 1 - HSRP: I used HSRP on the switches SW-D1 (active) and SW-D2 (standby). With the SW-D1 active, all vlans are intercommunicated normally. If I turn off SW-D1, SW-D... Hello, I'm a beginner in networking and I am having trouble configuring ip phones in my topology. I know that for some of you this should be very easy. Can someone help me? For these requirements, Do we have to pass the CCNA datacenter before taking these test? Implementing Cisco Data Center Unified Computing (DCUCI, #300-175) Cisco Data Center Unified Computing Infrastructure... Does Cisco count any non-Cisco training or certification towards the CE credit program? I don't see that as of right now but was hoping the community could help push this with Cisco. The purpose of CE cred... Hi All, I want ask something about OTV, I have multi AED or dual OTV on one site. Assume, the first box with hostname DC-OTV1 and the second box with hostname DC-OTV2. Ok the question is: 1) I know t... Whether data would flow between source and destination during holddown timer as how router behave during invalid timer. I'm considering "Implementing Cisco Collaboration Devices", and signed up for the trial version. Is there a companion printed reference for this course? If I attempt screen captures of sections I find noteworthy, I'... What is the difference between the command access-session port-control and dot1x port-control? It is not very clear to me. They seem to do the same thing. Thanks Hi All Does anyone know where I can find the current tshoot topology? The only one I can find is from 2010 and I don't know if it's still valid Thanks Buenas tardes, querría saber la diferencia entre estos dos modelos de Cisco, AIR-AP1852I-E-K9C y AIR-AP1852I-E-K9. En la hoja de características solo marca la diferencia de configurable. Ya dispongo de... Hii all, please help me. I want to ask about jumbo frame, this my topology: So, in agg1 and agg2 have port-channel 20 with vpc 20, connect to fabric interconnect. when ucs blad... Mean for the best result where should be firewalls should be placed?