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Forum Posts
Hi allToday I connected my cisco IE3000 switch to my 2960, I created a trunk port, and allowed 3 vlans on them. However on both sides I was seeing the port being blocked saying the below, however the vlans were on both switches, any ideas why I would...
Resolved! default gateway on nexus switch
Hi,We currently have a nexus 5548 acting as core. Now , we want to connect another 5548 to the original core.No vpc is to be done now, we are only doing a normal port channel to link the second nexus to the original core.we can't find ip default gate...
Resolved! VSS implementation consideration
Hi All ,We were having VSS setup on 6500 switch SUP 720 platform . One month back standy switch sup got failed , and we have isolated the same. Now we are going to implement the standby switch with VSS setup . What are the points to be considered for...
Hello, I am working on a project to implement VTP in an enterprise environment. We have close to 45 switches(accss, dist, and core switches). I was wondering if there a way that I can poll all switches to find out what their current VPT setup is(serv...
I do not have any stacked 2960s switches to "lab" a stack upgrade. Have a 4-switch (48-port FPS switches) production stack, and will use the archive- command, but is the process verbose or will the console just sit there leaving me wondering? About...
What is the command to leave description blank?
Resolved! management vlan on switches
Hi,This is a very basic question, however i am trying to understand it clearly.Managment vlan , as i know is used purely for device management in network.If i have a network comprising of Core switch, firewall , wan router , edge switches & certain a...
I currently have extended ACLs on probably 40-50 L3 SVIs at my distribution layer. Most of them are configured to admit/deny traffic on the outbound filter for each SVI. I am considering moving to reflexive ACLs to get improved security controls, but...
Resolved! OSPF- MTU and Multicast question
I did a search for this topic and read couple of posts but didn't get a clear idea- Can someone explain my below questions1- Why does the MTU mismatch make the routers stuck between 2-way and exstart state- OSPF build a DB or LSU with more than 1500 ...
Hello, I have a WS-C2960-24PC-L, and I would like to know if it is possible to stack with a WS-C2960X-48FPS-LThank you
Just received a new stack of Cisco 3750s with 12.2 IOS. I decided to update the IOS to 15.2 and after the update I noticed an fstage: directory. Does anyone know what the directory does? I haven’t noticed this directory on any of my other 3750 stacks...
Hello, I have a self-signed SSL certificate on a Catalyst 2960 switch that has expired. I need to create a new self-signed SSL certificate. Currently having trouble finding the steps necessary to do this. Don't know the commands and cannot find t...
I am trying to take down a old multilink connection that has 2 T1's and just use a 100 mb copper connection to replace it. I am having an issue when trying to connect via copper between two routers via RJ45. I keep getting the interface is up, line...
Can someone please tell me how to edit the excluded address range in an existing DHCP scope? There's a present start and end range for addresses to exclude, I would like to edit that range. Please advise. Thank you.
Hi all,I'm practicing STP. What i have done is i disabled STP on both of my switches so the network went down because of the MAC table instabiity due to which broadcast storm occured and whole network went down.Now what i'm trying to do is i want to ...
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