Switching

Hi all, I am trying to configure ipv6 multicast routing on a 3750x catalyst switch. But i am not able to find the commands. I have a 7604 switch in which I was able to configure ipv6 multicast routing with ipv6  multicast-routing command but i am n...

Hi.  I have a mistakes in my Switch ME-3600X-24FS-M This MAC's being learned by the interface Gi 0/14 but interface is using RSTP he is in blocked condition. Why this happens, if the port this one in Alternative and alone way can receive BPDU? I nee...

Hi, I have two Cisco switches of same model Catalyst 2900 series XL. I am unable to give any input via console cable. I tried on HyperTerminal as well as Putty with 9600 baud rate, 8 data bits, stop bit 1 parity non, flow control xon/xoff. when I pow...

Hi  I have configured OSPF protocol in Packet tracer but when tries to ping getting an error.- Destination host unreachable. I am having four router and using Class C address(192.168.0.0/30) I have attached an snapshot of topology. I have run these c...

We are currently using a fiber WAN link but now setting up another link to the same ISP using another medium. I don't know how they will do it but is it possible to keep the same IP or the redundant link will have a different IP? How is it normally d...

hello supporters  ,  hope you can assist me  we`ve a network café and we facing internet lag at the café  we are receiving 100 mpbs speed from the provider   the client receiving  2mbps when we test the internet so is the issue from the router ??!!  ...

Dears how i will assign ip on this switch Suppose i have 2 vlans Vlan 10 ip is 192.168.1.1/24 Vlan 20 ip is 10.0.0.1/24 I already configured in GUI mode but how i will configure in CMD line please give me the command

Hi, i need to allow only one ip to access web server with in vlan. allow   10.10.0.10  to 10.10.0.80 other all ips in vlan should be block   ( subnet 10.10.0.0 /23)

Hi, I have upgraded a Cisco 871W router with the following kits. Before the parts replacement, I have saved the flash: to a usb dongle. MEM870-32F-MT_BIE MEM870-128D_ALFAIX I would like ton install the latest version of IOS for this device. (c870-adv...

Hello Experts In IOS-XR, we get two types of "show run" cmd. One is the standard command, like IOS. Other one is "show run formal". Can we use the output of "show run formal" while creating new scripts to paste into the "config" mode? Is any cmd nee...

Hi there, We have recently had a new leased line installed.  It comes in over fiber with an NTE which converts to a 100Mb Ethernet connection (straight into the router). We are guaranteed 100Mb up and 100Mb down from our provider. We are running NAT...

Hi, need some advice; I configured my Cisco 877 Router using some new Public IP address I got from my ISP but when I do a NAT using a pool of addresses; I can't browse the internet.  The only way I will be able to browse the internet is if I do  a NA...

In a cisco switch what is the default stp protocol ? STp or Rstp or R-pvst+

It has been sometime since I have done this operation I am looking for guidance. My Devces are running Quad Supervisor Engine 720 10GE (VS-S720-10G) Configured with Quad Supervisors does someone have a link that I can  get clear understanding on how ...