Switching

guys i have the following.a cisco 2100 controller with vlan 1, 101-103 on it connected to a cisco 2960 with the same L2 vlans on and ( int vlan 1 with ip 192.168.254.101) these are connected via trunk and the trunk is up. The 2960 then connects to a ...

I have a 2950 switch which we use to for connectivity to VOIP phones and terminals/pcs on the floors. At random times during the day maybe twice 2-3 hour span, we lose connectivity between two of the terminals and our server which is connected to the...

Hi All, I am trying to forward incoming external traffic from the internet on ports 25 and 433 to internal IP 10.10.10.29, but it's not working, any ideas what I've done wrong?I've replaced some of the config with "x"'sConfig:version 15.1no service p...

Hi,I have some Cisco SPA504G phones which have Windows computers piggy backed off them using the PC port.I want to seperate my VOICE and DATA into seperate VLANS.I have a switch which has VLAN: 10 for VOICE and VLAN: 20 for DATA setup. How do I go ab...

hi all ,i have topology simple as below :-------R2--------R1-------INTERNETi want to ask about very important issue :ive made marking to my traffic with dscp vlaues on R1 ,buti didnt use any applying to QOS on R2i mean i just made a policy map and ap...

Dear ALL,I am an IT Potfessional, Doing Network + . I have a questions:1) Do Non Cisco Switches have Access and Trunk ports. What i mean is do non cisco switches distinguish between ethernet prots as trunk and access. 2) Do we need Cross talk cable f...

I have 5 subnets from my ISP.  I want to use a switch for routing 2960 or sf300-24p.  I just want to route one inside network to one outside subnet.  A point of sale system is setup on one static IP this VLAN would just need to conect to the one subn...

Hi Friends,In my organisation some people change its own mac-address to known mac-address which are permitted through pot security, and use restricted network resources. How can i prevent this type of unauthorized access on cisco catalyst 2960 switch...

Hi there,does anyone of you has an idea to get on a Nexus7k (Version: 6.1.2) or a 3560 (Vers. 12.2 (58) SE2) Switch to display the Broadcast Packets In and/or Out in a VLAN? On a normal switch port interface that is possible without any problems. For...

I have a Linksys E1200 router and have my iPad 2 on the network (my computer can see the iPad, for example, using iTunes). I am trying to use third-party software (Reflector: www.reflectorapp.com) that makes use of the iPad's AirPlay feature. On the ...

Hi EveryoneHappy New Year!We have Client they have DMVPN network from 3 offices to Central hub site.One office has 10MB Wan connection from the ISP to Hub site and it is new setup.Router port connected to ISP is hard coded as full duplex and speed of...