Switching

Hi dear, i am new born switching. So i need all your advise to me.Actually, I want to create MAC security. I have 6 switches(1 3750, and 5 2960). I want only my clients in the organization can plug to switch port, if clients bring their own PC and pl...

I am experiencing an unusual memory issue with a Cisco 7604 router, specifically the memory on the Supervisor Engine (SUP32-GE-3B) and how it pertains to IOS requirements. I was preparing the router for a customer, but it crashed when attempting to l...

I have seen other discussions regarding Static MAC address entries on IPv4, but what of IPv6?We have MS NLB solutions and they are working fine. We have Cisco 6509/6504, Version 12.2(33)SXI5But then we have a new one for a new ActiveDirectory solutio...

 Hi, Please see the topology attached.We have a customer network with number of routers/switches. We have a management network to manage devices via telnet/ssh.On switches we have a vlan interface for switch management  while on routers we have sub-i...

 We recently upgraded some 4507 switches to later models of 4507s..  Some embedded WinXP machines use static IP addresses.After the swap of the switches, the WinXP embedded boxes can boot up but not connect to the network.  Wireshark trace reveals 16...

Hello, I have a Cisco 3750E connected to a layer 2 2960G.  Both switches have 1 GB ports on them.  But one side (3750) is showing 1000MB/Full and the other is showing 100MB/Full One side is auto negotiate and the other is dot1qWhen I tried hard-codin...

Hello,can we build a EtherChannel that has some ports on the parent switch (C6807XL-) and some on the client (C6800IA-48TD)? Is that scenario supported now and if not will it be supported in the future? Thanks in advance and kind regardsMatthias

I am looking for some help we have setup an Ironport s100V device on our network and added domain authentication as we have a few domains they are all added and work as should. What the issue is when a user open there browser they keep getting log in...

Hi, I am looking for a solution to be able to connect  the same devices with the same IP Meaning:Laptop with VMware Windows71st ETH interface: ip address 192.168.255.130  connected to Device A 192.168.255.1292st ETH interface: ip address 192.168.255....

hi everyone , I got a problem that I need to config a secure feature "IP SOURECE GUARD" on 2960 switchEverthing is okBut, when the IP-MAC mismatchI can't receive any SYSLOG from "show log"Only from "show ip verify source"  to know which interface be ...

Hi guys, I have a 3560 switch which I need to upgrade to latest firmware.*    1   52     WS-C3560-48PS      12.2(35)SE5             C3560-IPBASE-MSystem image file is "flash:c3560-ipbase-mz.122-35.SE5/c3560-ipbase-mz.122-35.SE5.bin"cisco WS-C3560-48P...

Looking at this spec sheet:http://www.cisco.com/c/dam/en/us/products/collateral/routers/3900-series-integrated-services-routers-isr/Routing_Poster.pdfWhy offer GE WAN ports on a 1921 if the recommended WAN access speed is only 15Mbps?  Can someone pr...

Hi everybody, I’m having problem with Ip NAT outside in my 6509 switch that connected directly to third party network (ARIS Network) not belonging to us. Please refer to network diagram below. Previously server in DC and DR can’t ping to 57.236.202.1...