Switching

Hello! We have noticed that ‘basic’ configuration of auto smartport on IOS 15.2 won’t apply CISCO_SWITCH_EVENT (it does on IOS 12.2(55) ). Lab setup:  [WS-C2960X-24PSQ-L, 15.2(3)E1] int Gi0/25           |  [WS-C3560-8PC, 12.2(55)SE9] int Gi0/1   See...

Hi guys,   I'm new here and new to network as well. I have a simple question.   Is LACP/PAGP different from High Availability or Chassis Cluster (for JunOS)?   I understand that LACP logically combines 2 or more (up to 8) interfaces into one, having ...

Can someone please give a brief difference between STP, RSTP, PVST, PVST+, CST, MST.?Just for the basic understandability.And what is the current protocol that is being used in cisco switches.Regards,Chandu

Hi all,   I have a problem with LACP redundency that i can't figure up, I have 2 3750X (Cisco IOS Software, C3750E Software (C3750E-UNIVERSALK9NPE-M), Version 15.0(2)SE5, RELEASE SOFTWARE (fc1)) switches that are connected with stuck, Both switches a...

I have a Cisco 3560x as a vtp server and the 4500 and 2960s as vtp clients.  All the vlans have been propagated.  For some reason, I'm unable to ping certain vlans from the 4500.  All the 2960s are coming off the 4500.  The 2960s are able to ping vla...

Hi, can anyone advise what the switch module does on this device? I'm confused between vlans and actual physical router FastEthernet ports (4 on this device). Do they just provide inter-vlan routing? If so, how as the concept of router-on-a-stick doe...

I have a client who owns an office building, and would like network traffic separated into three groups that don't see each other: his own traffic, traffic for one particular tenant, and all the other tenants. (Computers and devices within groups sho...

Hi, we have the following set up, R1 (887) to SW1 (2960) with VRRP providing redundancy to R2 and SW2.   7 vlans configured on the router each with its own IP address.   I am just trying to get in my head how this works. Can anyone comment on the con...

Hi. I'm using L3 switch(model:  3750G-24TS-S1U). I forgot the enable password. How can I reset enable password? Pls help.

Anyone with experience on this one, please help.   I have a GNS3 topology and I can't seem to get it to talk to the internet. The cloud is configured with my computer's NIC and every router in the topology can ping the NIC   I have configured NAT. I'...