Switching

The Meraki 225 obtained an IP address and I can see its arp entry on the Internet facing Cisco router. The MAC in the arp table maches the mac in the Meraki cloud UI but it's not registering. I see NAT translations to the InternetAlso show cdp neighb...

I'm having problems in DHCP relay with SX550. I followed this guide:https://www.cisco.com/c/en/us/support/docs/smb/switches/cisco-small-business-300-series-managed-switches/smb5567-configure-dynamic-host-configuration-protocol-dhcp-relay-set.htmlBut ...

Hello, Hope everybody fine.I'hv faced some problem about my Core Switch "Cisco WS-C6509-E". System image file is "sup-bootdisk:s72033-adventerprisek9_wan-mz.122-33.SXH3.bin  Supervisor Engine 720 10GE Before three days ago, suddenly my switch goes...

Hi Network Experts,  Need your help guys, I built a a new IPsec VPN Site-tosite tunnel between Vendor(IBM) Firewall and our company Firewall. VPN tunnel is up and all Phase 2 is up.  - I can ping from our server 10.192.61.166 to Vendor servers = 10.1...

We have a Cisco 9300a switch that hands out self signed certs. Weird part is if I shut off ipv6 on work stations the error goes away. how do i disable the self signed cert on the switch?

Hi Cisco Community   I will add 2 C9404R to  StackWise Virtual.I should sync Smart License (DNA) each device before adding to StackWise Virtual. Or can I completely add StackWise Virtual and sync Smart License later. Thanks

 Dear All, We are following the SLR method to smart license our 9500 devices which are in stack in SVL configuration ( Devices are already registered for SLR method ) process Link is :---> https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst_s...

hello communityone of our customer has given us a requirement like if computer is idle for let say 5 mins or if user is not at hie/her desk. the switch port connected to that computer should go in administrative down mode and should come up only by m...

I’m in need of some serious assistance. I have scoured the forums, but can’t quite put together the information I need to resolve my issue. I thought I was a little better than a novice, but I have much more practicing to do My current setup is as fo...

Hi Cisco Community   I would like to upgrade IOS-XE version 16.6.4 to 16.9.1. I'm not sure between upgrade version I'm must be to upgrade ROMMON version ? And I'm not find procedure in download software page. 

Hello All, I've been trying to disable Unknown multicast blocked: enabled for some reason can't get it to change on any port, is happening on all 96 ports, not sure if there's a global setting or feature that needs to be activated perhaps a license w...

All, We recently purchased a Cisco 9407 switch with two supervisor modules and four Ethernet line cards. I am currently configuring the switch in our test site. The switch will then be taken to the production site. My question is since I configure al...

Yesterday, I configured a 2960C switch to make part of my lab. Initially, I created a VLAN...an SVI for that VLAN and assigned it an IP Address...assigned an access port to that VLAN...and, configured a default gateway. I connected my laptop to the a...