• gns3

    Dear all, I am trying to insert 3560 ios to gns3 but it showing error " this is not valid ios software" . but i downloaded software from cisco website only. can anyone help on this?
    last modified by Israr
  • CCIE Lab exam command query.

    i have a question. in the config section, lets say part of a  question involves creating an ACL, and the correct ACL according to Cisco exam  is like this   access-list 1 permit access-list 1...
    last modified by promise
  • securing OSPf ve EIGRP

    On Eigrp, the encryption setting in on the interface on OSPF, its on the key chain   knows the difference for the exam and real world
    last modified by waninae39
  • Routing question

      Hi, Why the directly connected network ( shows in TYPE 5     Router is connected   R1 ---------------R2 (   R1: sh ip route is direct...
    last modified by kp
  • spanning tree

    Hi, Why the below command does not show the root     sh spanning-tree vlan 10   VLAN10   Spanning tree enabled protocol rstp   Root ID    Priority    10  &...
    last modified by kp
  • My CCNP Certification validity expiry date is Oct 2019. How can I re-certify ?

    Hi All,   Thanks in advance.   My CCNP Certification validity expires in Oct 2019. I have no plan of doing CCIE as of now. How can I re-certify ? Do I have to give all the CCNP exams again ? or Is it en...
    Benson Davis
    last modified by Benson Davis
  • Broadcast message

    Hi CLN   if we have PC-1 =  , MAC= AA.AA.AA.AA.AA.AA PC-2 = , MAC = BB.BB.BB.BB.BB.BB   if PC-1 don`t know PC-2 MAC , ARP message will be  this  message :- src = 10.0...
    last modified by Mohamed
  • Certification

    Hello All Yesterday I passed my CCNA exam. I am feeling really good. For making me more knowledgeable  I am currently studying basic MCSE course. I Am currently focusing on basic level job such as Junior Networ...
    last modified by Padam
  • Redistributing RIP/connected into other routing protocols

    I've probably asked this before but I cannot find any record of it so I apologize in advance if that is the case.  Here's my dilemma.  I have a router (let's call it R3) that is mutually redistributing betwe...
    Steven Davidson
    last modified by Steven Davidson
  • Why MPLS LDP Neighborship does not form between routers in a same vlan ?

    I have routers connected on a switch and thoses switches implement Vlans. Anu idea ?
    last modified by V@lence
  • How to perform NAT on a network where VLAN exist

    Hello all, I am failing to configure NAT on my Branch_Rtr where there exist two VLANS on the LAN. At first, I configured NAT when I had only one VLAN (default VLAN) and it worked. After I configured the second VLAN ...
    last modified by Ivan
  • Collaboration Test

    Hi All,   Failed the Cisco CICD 210-060 exam today with a result of 738. I have been working on the Traditional PABXs and other VoIP systems for over 15 years and have always had an interest the Cisco VoIP System...
    last modified by Nick
  • sise or sisas

    Hey I am looking at taking a course for the ISE exam. I came across these two class(sise or sisas) that seem like they are identical. Can anyone tell me what the difference between the two classes.sise coursehttps://w...
    created by ryan
  • How to filter "show logging" output more granulary on NX-OS

    Hi,   I want to check logs of the interface Ethernet102/1/2 I issue "show logging | i Ethernet102/1/2" but the output of this contains logs from other interfacees that begin with "Ethernet102/1/2":   &n...
    last modified by Tomas
  • ARP request has destination MAC: 00:00:00:00:00:00

    Dear All,   Good day,   Can anyone please advise me the following:   The below packet is an ARP request but it has the following: 1. MAC address is: 00:00:00:00:00:00 2. What is the [Is gratuitous:...
    last modified by Ruchit
  • Make the most use out of the servers

    You can't login into the servers in VIRL, Is there a way to make them into a useful server, such as, a DHCP server? Are there any thoughts on how to make it more functional, I may need to look more into how to cons...
    last modified by Dennis
  • How do I use NAT Dynamic & Static pointing out to my ISP Router?

    Hi,   I am having some difficulties trying setup a NAT Dynamic & NAT Static pointing out to my ISP Router. Any ideas where I could be doing wrong? I am unable to ping from my PC B & Server to the loopbac...
    last modified by BadDog773
  • EIGRP cost calculation - Cisco error... or am I being daft...

    Hi All and thank you for your input,   I've got my ICND2 coming up quite soon now, so I had a go at the Cisco practice test. I think they've got an answer wrong...   I believe, based on Odom, that the for...
    last modified by TimBo
  • show cdp command is not showing PCs in its neighbor table, why so?

    when i run the below cdp command, It is showing only two routers...
    last modified by Deepak
  • Switch Port Numbers

    Hello everyone, I there a list that shows how the ports on a Cisco switch is numbered? Some switches are numbered fa0/0, fa0/0/0, fa1/0/1/, gi0/0/0 and so on. I do understand that there are fast ethernet (fa) and gig...
    last modified by Flynn