Switching

I was working to upgrade a 4-switch 3850 stack from cat3k_caa-universalk9.SPA.03.03.01.SE.150-1.EZ1.bin (Install mode) to 03.07.04, and it failed to copy to one of the switches because it had an additional image still on that one.    I cleared that o...

we are using IOS-XE 03.06.04E on switch 3850. I issue below commands: monitor capture buffer interface G1/0/22 bothmonitor capture PCAP match ipv4 protocol tcp any any monitor capture PCAP start Please associate capture file/bufferUnable to activate ...

Hello folks! I receive this message from a company who made a scan my network and they found a problem with the NTP on many switches. "The remote NTP server responds to mode 6 queries. Devices that respond to these queries have the potential to beus...

Moving to a new /21 subnet from an existing, functioning subnet (16 years). Routing on a 3 interface (2 inside, 1 outside) router, not a switch, and have assigned a secondary address on our primary inside interface. The normal Local and Connected rou...

hi    i want to take backup of running or startup config by using tftp or ftp but the issue is when i try this from switch by using this command ( copy running-config tftp:) after giving host address it says time out error but when i do the same at r...

Hi everybody,I need to copy many files into the router.i tried to copy a list of "copy tftp://ip-address/file-name flash:"Is there a way to do it easier and faster without asking question for each copy

Team,   I have some free interfaces on my existing WS-C4506.  So can GLC-LH-SMD=  be connected to switch without a Gbic card ? The answer is NO, but can we still connect to it? Is there any alternative to connect the SFP without a Gbic card?   Kindly...

Hello Everyone,   We have this C3750 switches on our network with IOS version - 12.2(55)SE1. To fix recent vulnerability with smart install ( https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120328-smartinstall ) we ha...

Hey all,   We have a subinterface configured with an IP Helper address of a remote DHCP Server, this subinterface is also in a VRF. To add further complexity this VRF has a locally configured DHCP pool which is used for other VLAN in the same VRF. We...

I have a svi (10.194.82.6/24) that's used for management of a switch P (vlan 82). The same vlan is used for management of other switches.  i have to block all ssh access to this svi of switch P only except from 10.180.4.0/24 and 10.180.6.0/24 network...

Hi seeking for your assistance on below matter. right now we are on the process of replacing our Cisco 3750 to 3850 model, but we can't configure the MLS to C3850 model. according to Cisco documents MLS is not available on Cisco 3850, only MCQ can b...