Switching

Is there away to remove dynamic/static routing information from a access switch without reloading the device?  We had a power outage that cause an entire site to go down/up and after that 2 of switches had incorrect routes when executing "sh ip route...

Hello,Recently I have encountered a problem while trying to implement NSSA area on a part of our network.After redistributing static routes and connected with "subnets" keywords, the routers (ASR) were  not  able to see the static route with mask /24...

I have a weird problem, 2 switches on the same network and subnet. 1 switch can reach our groundworks server on a different subnet the other switch is unable to reach the same groundworks server.When showing IP route these are the only differences be...

I am having an issue with the Cisco Network Assistant (CNA).  With IOS 12.2(55)SE1 installed, I am able access my switch through CNA with HTTPS without any issues. I disable HTTP on the switch.My issue starts when I update this switch to 12.2(58)SE2....

Hi,Is it possible to disable STP in switch??

Hi All,I've recently tried to update the modem firmware on an 887M that is actually using an Annex M service and after rebooting to kick in the new modem firmware, the router loses sync. I've tried this with various other 877, 877M, 887 and 887Ms on ...

Hello,I got Two Distribution Switches of Cisco 3750G. Each Distribution have two 3750G switches stacked. I also have one Cisco 3750V2 Access Switch connected to both Distribution. When I am checking for redundancy, I can only get redundancy test pass...

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...