I wanted to ask if the router C921-4P has subinterface support? I dont see any mention of it in the manual. I love the price point. But wanted to find out if the subinterface support works on it. My objective will be to pass multiple vlans from the ...
I am trying to lock down some VLANs on a Cisco Cataylst 3850 with IOS XE 16.12.9 GibraltarI need vlan 101 to talk to 102 and 103 and get out to the internetI need 103 to only talk to 101 and 102 with no internetI tried to apply this ACL to 103 but ca...
Which rule does the DHCP server use when there is an IP address conflict?A. The address is removed from the pool until the conflict is resolved.B. The address remains in the pool until the conflict is resolved.C. Only the IP detected by Gratuitous AR...
Hi AllHas anyone reported issues with Cisco 9606R chassis, running Amsterdam 17.3.1 software and WhatsUp Gold Netflow.The switch appears to be sending flows fine, but the software doesn't appear to show them, even though a packet capture on the serve...
Hi we have a 3850 which fails to boot I can see the files on the flash however it is read only so can't make any changes. If I boot from USB switch performs firmware upgrades but then fails to boot have tried booting numerous times from USB. Tried e...
Hi all, I have a problem with the PoE extender we intend to purchase for a project.When I connect this to a 3560/70 or even 2960 switches, the below logs are showing; It is working fine with cisco small business model switches.*Mar 2 02:21:14.205:...
hi experts, I am learning router-on-a-stick routing, and router R1 is configured as follows: interface Ethernet0/3no ip address duplex auto!interface Ethernet0/3.1encapsulation dot1Q 10ip address 10.1.1.1 255.255.255.0!interface Ethernet0/3.2enc...
Hello.Please see below 2 outputs.In the two Nexus 9300's-- note that the secondary device is the Active device for Vlan 81. I expect this is not intended, but maybe it is because the priority is not 110 but 90.Vlan 81 is a management vlan.QUESTIONS:1...
Hello, I am not a noob but also not an expert. I have worked with CLI before. Can someone help understand why this swtich is showing no interfaces for Gigabit? Only Telnet and Port-Channel. Also, the FLASH shows a ton of files and I am not able to De...
Hi ExpertI need your expert suggestion regarding use the WS-C3750X-48T-E (License : ipservices) switches for eBGP.Can this switch handle eBGP, interms of memory Space for BGP table and any other performance issue will rise. As these switches we norm...
i get this message when i try to upgrade my 3850 stack ios.Preparing install operation ...[1]: Copying software from active switch 1 to switch 2[1]: Finished copying software to switch 2[1 2]: Starting install operation[1 2]: Expanding bundle flash:c...
Hello community,I've came across some interesting and strange behavior of 802.1x authentication in real production environment. We support client's network environment which authenticates wired users with 802.1x. There are several access switches and...
HelloI need to block my customer to use qinq vlan over vlan that i foreword it he .
Hi guys, I got one question that maybe someone can answer here.I was upgradeing 2960x switch that was master in a stack. It had two members, and one of the member upgraded successfully but the other one did not. Now when I type in “show switch” it sa...
Hi,I am getting issue with one of my lab, includes SVI and L2-etherchannel. Not able to ping from client 10.0.0.1 to 20.0.0.1. attaching lab image.Thank You!!!
