Switching

Hi,I have 3750 switches installed as my core switch. There are 4 switched stacked all together. we have configured VRF having my communication links terminated here.I am not able to use IP accounting command. After searching on net, it become clear t...

Hi, I have the following: A router with:-Interface A facing Internet where I have a VPN site to site configured-Interface B facing a customer with private IP address-Interface C facing my LANThe traffic coming from A (the network coming from VPN tunn...

Hello EveryoneI am having some very strange issues on my 3850 stack.  I have certain IPs that can acces all networks locally but cannot access anything on remote networks.  These IPs seem to have no relation to each other.  IP 10.2.3.54 has issue whi...

Hi expert,while working i noticed my downstream devices were running on MSTP and it was a requirement to change upstream into RSTP and when i change upstream device into rstp i lost the connected to downstream also cant see that device in cdp neighbo...

Hi allI've one question about rstp operation mode and could you answer me We have a lot of equipment  and we have stp in our LAN,it is more than 20 cisco switch, my question is if in this network every devices work in rstp mode but one a couple of fr...

HiI can connect to a 3750 switch and there is another 2960 switch connected to this switch.The port of 3750 switch connected to 2960 switch is an access vlan 106.There is a SVI interface ( vlan 110) in 3750 switch with ip address 10.0.1.75 that is ma...

Hi,I have a question around EIGRP path manipulation for WAN links to prefer the best path for the better link and then have the secondary link configured so that it is a feasible successor. The issue I am facing is how to manipulate the path costs fo...

Cisco's new Catalyst 3850, offered for the same price as the 3750-X, adds wired and wireless management, a high-capacity stacking backplane, and OpenFlow 1.3 support at the access layer. What fate is now waiting for 3750-X considering the same price ...

Hello, I have a Cisco IOS Software, C2960X Software (C2960X-UNIVERSALK9-M), Version 15.0(2)EX3, RELEASE SOFTWARE (fc1). I would perform ECP but it doesn't capture packets.I configured the buffer and the monitor in this way:Capture buffer B (circular ...

Hi all.I have some problem with making IPTV on C2960 (WS-C2960-24TC-L), IOS Version 15.0(1)SE3.So, the most important thing, that I have to mention - uplink of C2960 is dlink3200.I want to reach ISM vlan from d3200 to C2960.I don't have any problem w...

Hello Everyone,I am facing this problem with all my switches, The igmp snooping queue drop value increment fast and cause high cpu usage for long time, over 90%.This happened with the default value of igmp snooping which is enable then i turn it off ...