Switching

Hi Guys,I am having a issue where i see huge output drops on trunk .....basically i have a access layer switch which is conected to core , core's trunk is gig \n access layer has 100 meg....instead of seeing errors on 100meg i see it on gig interface...

we are having trouble with the VPC, and etherchannel ? looked at many forums not to clear on wich one to use, this is are config, we have been getting alot of loops and kills are entire network, please helpnexus switch config,this is on both nexus we...

Judhajit Ghosh Welcome to the Cisco Support Community Ask the Expert conversation. Learn from Cisco expert Judhajit Ghosh about Catalyst Security. Judhajit is an engineer at Cisco who specializes in LAN Switching and has certifications in CCNA and C...

I'm trying to configure a pair of 4500R+E (with redundant SUP7-E)s to build a network system will that support multi chasis port channel. I now ended up with a fact that VSS cannot be done with 4 SUPs. Since the functionality need is, having a sys...

Hi all,In my customer having 3750 switch and they have simply assign IP address for vlan and enable telnet in switch and other things are same as default switch.In this switch they have connected 8 cisco layer 2 switches(6 managed and 2 unmanged swit...

I have a few questions about setting up extended mac access-lists. Using what we have in place now with the switches, we are trying to prevent unauthorized devices from connecting to the network. Using port-security at this time is not an option.We a...

I have  customer that we have configured netflow on the 2821 router that their traffic is on.  Currently the company they have contracted with for the analysis is seeing data duplication.  Below is the configuration for the interface and the routerCi...

                               link 1Switch_1 4506 --------------------- ASA_1 5520              |                                    |              | trunk                            |              |                                    |Switch_2 4506...

What the below error want to tell us ?%C4K_REDUNDANCY-5-CALENDAR_RATELIMIT: The calendar has been successfully synchronized to the standby supervisor24 times since last cale      ndar syslog