Switching

Hi everyone, Im trying to configure some ports to be forwarded out to a serial interface, we have installed voip phones (not cisco) and i want them to use only the serial port.this is the sh run output. needless to say i have erased some sentitive in...

Hi everybodyThe following discussion only focuses on dhcp snooping feature.  We further assume  only dhcp snooping is configured for all the scenarios i.e no ip source guard feature etc is enabled.Dhcp snooping combats two issues;Detection of rogue d...

hello, i am trying to ping 172.16.0.250 address from my desktop located in vlan 10.i can able to ping 172.16.0.250 from my L3 switch but not able to ping from my desktop belong to vlan 10.we have assing 172.16.0.254 ip to one interface fa 0/48.deksto...

Hi AllI'm working to configure route map to set high preferance for a specific subnet. I want to ensure the same routemap should not filter the other subnet routing advertisements. As far as I know route-map is like ACL,by default will there be expli...

Hellocan anyone tell  scalable design which meets the following requirementtwo main locations are 3KM distance . Each department has 3 seperate buildings distance between buildings are 30M . There should be VPN access and security with a firewall as ...

a 6509 and a 4506 with 2, 1gb interfaces in a portchannel.   Bring it up and everything is fine.  Save the config and reload either switch and the interfaces stay in Not Connected state.  Either doing a No Shut or a physical unplug the SFP and plug i...

First post, and I am fairly new at this, so please be gentle.My company has a Cisco IAD 2400 which is handling our phones and the internet (from Service Provider).  We are adding a second router, a Cisco 1921, to our network.I think I have everything...

I have a bunch of 3750x switches that each have a 10 gig routed link back to a central 4507 (loopback = 172.30.255.255).We carved up a /24 (of course, the /24 doesn't really exist except in our address tracking spreadsheet) into a bunch of /30's for ...

I just purchased an SG300-10 (negular, non-POE) and planning on using it with no special configuratinos initially. Longer term, will be using VLAN and QOS to help VOIP.What I would like to know is if ports 9 & 10 can be used as standard copper cat5e ...

Hello.Is there a possibility to transfer files between two N5k's via mgmt0 using TFTP protocol?Source: One N5k's mgmt0 interfaceDestination: Another Nk5' mgmt0 interfaceI know when issuing "copy bootflash tftp" or vice versa, I need to specify manage...

HiI have seen some strange issue if anyone can have that answer ..Problem Description:We have two core switches in our network and number of vlan are created.TIll now no ACL has been applied on the interface vlan and i am doing the telnet ,one of the...

Hi, all,I have 2*3825 routers configured with GLBP, but traffic is moving only with one router it only fallback on other router when the 1st router is isolated.diagramLAN=======>ASA(Routed mode with active-standby)======>one cisco L2 switch========>2...

I am not able to successfully accomplish the password reset function. This 2950 does not respond to the mode button held down at power up or to sending a briak. I have tried both several times and the switch continues to fully boot. http://www.cisco....