Switching

Can you edit an access list without delete the entire list? In other words, can you remove a sequence entry with the access list? Thanks

Hi I'm going to implement 4510R+E with dual sup8E supervisior. This is a just L2 access switch and will have uplink to dual Nexus9300 with vPC. If I connect 4 x 10Gbps uplinks as following and configure 4 ports as single port channel, I'm wondering i...

HI I think it is easy for configuration a port, but I can not make it work: I need configure an external 1G cat6 cable link to my cat6500, and I have been told this is on access port with BPDU disabled.  an ip should be assigned to it, ip address ass...

I have a Nexus 5548UP switch with a couple of systems some of which have been configured with 1Gb nic's running various OS's and other that have 10Gb nic's.  When I try to SSH from 1Gb box to a 1Gb box everything is fine, when I SSH from 1Gb to 10Gb ...

We have a 6509 that has had a vlan removed, however, we still get alerts in our monitoring - and can verify on the device.  We have removed the VLAN, rebooted the device, verified the vlan.dat - and do not see it.  If we perform the sh snmp mib ifmib...

Hi Everyone! I've got this quick question that I suspect is causing unnecessary traffic in my network. I've got this in one of my trunk interfaces. What is the impact of this configuration given that one end of the trunk has pruning enabled while the...

Hi all,i tried to upgrade my 3750X-48 Stack from IOS 15.0.(1)SE3 to 15.0.(2)SE7 with the command:archive download-sw tftp://<IP>/<IOS-Tar-File>After some time i received the following error message:examining image...extracting info (109 bytes)extract...

Can anyone explain to me why MLD Reports are sent to the Software Forwarding CPU Queue on a Catalyst 2960 or 2960X switch?I guess other platforms are affected too. We seem to have a known bug on some client NIC adapters that they send MLD report stor...

just installed a new 2960xhas these 2 commands on all ports:  power inline auto max 15400 no power efficient-ethernet why have these commands been added?i have not seen them on other 2690x devices with same IOS version.  thanks

We have a 4510R with Cisco IOS Software, IOS-XE Software, Catalyst 4500 L3 Switch Software cat4500e-UNIVERSALK9-M), Version 03.05.02.E RELEASE SOFTWARE (fc1). I want use qos trust dscp or qos trust cos on the interface conected to other cisco switch ...