Switching

Hi All I have an environment where i have two nexus 7010 switches, along with 2 nexus 5510's. I need to run OSPF as a layer 3 routing protocol between the vpc peer links.  I have 1 link being used as a keep alive link, and 3 other links being used as...

Hi ALL ,I have issue with 2950 switch dot1x config is not working , but on 2960 its working fine .Below are the configs from both switches and a debug dot1x all snap , please share if any one have some idea what may be the issue with 2950 switch ...-...

I was contacted by a customer today who is trying to configure QoS on a 4500E with Sup7-E.  They are running: cat4500e-universalk9.SPA.03.02.00.SG.150-2.SG.bin and the 4500 is licensed for entrprise Services.  I don't have access to the switch and am...

Situation: My Network Intrusion Professor asked what is an obvious event when being attacked on devices.I thought I read that when a CISCO switch (or router) is being saturated and cannot handle the traffic going through it, it will reload.He says it...

what happens when a host’s MAC address is learned on one switch port, and thenthe host moves so that it appears on a different switch port?I read and what I know, the old port is deleted then it will be learend on the new port.but on switching book, ...

Hello Experts,Can some please take at the attached configs and help me determine why I can't get the port channels to come up the switches.?CheersCarlton

Hi,I have a 2960 switch to which printer is connectedport configuration is -#show run innt fa0/2interface fastethernet 0/2 !switchport access vlan 20Problem is, after some time, that port goes down and i have to restart the switch.But, when i connect...

Had a question regarding OSPF fast hello. Lets say i configure fast hello on an interface using the command:ip ospf dead-interval minimal hello-multiplier 5This means my dead interval is 1 second (this value never changes)This also means 5 hellos are...

HelloI have a doub, I change only a chasis in a router 3845, but the "show version" command should be the same , except for the serial number and other parameter of time..  however, the number of serial interface change from 4 up to 2.. you know what...

Hello,Will there be some pause in traffic on formed etherchannel interfaces (4500E switch), when i will change the default etherchannel loadbalancing method to src-dst-port (or any other non-default method)? thanks,WM

3750 can not support multiple subnets in it's DHCP server pool config.Is this an issue that can be fixed with a different iOS or is there a different Cisco switch that I can replace the 3750 with that will handle multiple subnets within an individual...

Hey guys, I was recently told to exclude an ip address from dhcp, so i wanted to go ahead and bind the address to the mac. i did the following :ip dhcp pool NAME > host 172.17.110.87/ (then accidently hit enter)upon doing this, the switch seems to ha...

I have 1 old cisco router which I have already forgoten its password and username. I would like to use it for other purpose. May I know how to reset it to factory default setting?