Switching

Hello everybody I had a stack of 4 switches .. and need to split them to have 2 stacks... i wanted to access them using ssh and console cable... both stacks now show "access denied" when i put the passwordIs there any way to access them without reset...

 Hi,how are you. I have a problem and i thought i should discuss it here. I want to access the other two switches so can i configure telnet on two other switches so that i can access them from any of the vlans configured on the switches and the infra...

Hi, I need to design a network which has currently very little resiliency, (no diverse routes or additional fibre and only a single core switch) however I believe designing it an G.8032 Ethernet ring will at least afford some fail-over benefits. What...

Hi All, I am looking for basic clarification on Cisco Stack Switch connection to Firewall HA pair. I am planning to have a Firewall Active/passive HA pair with port aggregation configured with LACP. Do i need to configure separate Port-channel in Swi...

HelloI will post the article here because this question.The question for OSPF.Am I more than trying a variety of routing's a wonder suddenly become, OSPF is why there is no "no auto-summary" of commands like protocols such as RIP and EIGRP?It's stran...

Hi Everyone's!I think about some config:eth 1/1 trunk with vlans: 1,2,3eth 1/2 access vlan 2eth 1/3 access vlan 3 in vlan 1 I have inner vlans: 11, 12, 13, 14,15 and:eth 1/11 is access for vlan11eth 1/12 is trunk for vlan12eth 1/13 is trunk for vlans...

Do I need to purchase a license from Cisco to add IP services to a Cisco 3750E series PoE switch (WS-C3750E-48PD-S), or can I just put the 15.0.2 "UNIVERSAL" IOS image onto the switch with no other PAK or license activations?

In ICND1 I find this configuration for the line vty :emma(config)#line vty 0 15emma(config-line)#password loveemma(config-line)#loginemma(config-line)#exit Why U use here the login command?In my experiance, even without the login command, when you op...

First of all, while I did study for the CCENT, it's been years and I've been focused on other things, so there are some things I know but some things I didn't quite retain, so please bear with me if some of this sounds stupid, I'm trying to get back ...

Few devices do not let us run any command after we log in we get an error stating "% Authorization failed."     Note - We have resilient ACS server 5.8.  This is happening on only a few routers which is a mix of Cisco 891, 1941 and 3925. No pattern ...

I'm replacing my layer 3 WS-C3750V2-48PS switch with a full gigabit switch. I was looking at the C3750E switch. Ideally, I'd like to have a switch that runs on IOS 15 if I can in case I want to use it for CCIE training. Do you need to activate PAK fi...

Dears,Lets suppose that S1 is hard coded to be an etherchannel and S2 doesn't have etherchannel config , how the loop will occur?in case that:- 1-A device connected to S1 send a broadcast or unknown unicast , will the etherchannel follow the default ...