Ask Me Anything Event Welcome to the Cisco Community Ask Me Anything conversation. Submit your questions from Monday, November 4, 2024 through Friday, November 15, 2024. Our colleagues Rohit Chopra, Vaibhav Aggarwal, Anuraag Majumdar, Saquib Zeya...
Forum Posts
Configure StackWise-Virtual to configure the Mgmt port as shown in the picture.However, sometimes I couldn't communicate with the Mgmt IP, so I monitored it.Normally, the MAC comes from MGMT L2_1, but when communication is not possible, the MAC comes...
Resolved! Vlan trunk protocol vs IP protocol
I got a doubt about trunking protocol on switches which puts in communication different vlan, and a L3 device with its gateway IP protocol <span;>which puts in communication different networks.1st. QuestionFirst of all even if maybe is a silly quest...
Hi to all,i am facing a strange issue with poe devices on a Cat 4500 with SUP7L and the WS-X4648-RJ45V+E card.When we disconnect a poe device from the switch and we plug int again , the device gets in power deny state.And if we plug this device to a...
Resolved! Single VLAN can support multiple subnets
Hi all,I was reading cisco book where it says Sinle vlan can support multiple subnets.Because switch ports are configured for vlan number only and not a network address any station connected to a poprt can present ant subnet address range.if someon...
I have a less then a dozen Cisco 3850 switches that I am working on. I need to configure 802.1x authentication. The issue is the switches are reaching out to Cisco ACS and I need to set up radius server to enable 802.1x. The Cisco ACS I found out ...
Resolved! Deleting MD5 or 96-bit MAC algorthms
I have been instructed to delete any weak MD5 or 96-bit MAC algorithms on all my switches. My current setup I have the following:hmac-sha2-256hmac-sha2-512 hmac-sha1hmac-sha1-96 Out of these which would be considered to be weak MAC algorithm?
Resolved! Routing rip issue
The routing table of router r2 and r3 aren't updating and their corrisponding hosts aren't able to communicate outside of the LAN. Hoping to get a reply asap..!
Resolved! Making a trunk port between 2960x
There is a link that is configured on cisco 2960x as access port + voice vlan (data 100 and voice 44) that goes into this dumb switch where users connect.I wanted to replace that switch with another 2960x but when try to connect this two switches tog...
Hi,I am working for a laboratory which is situated in a university and we are currently part of the university network. I was recently made responsible for insulating the Laboratory LAN from this of the university aiming higher security. I am managin...
I'm new to networking and i have confusing between these two what i know :broadcast frame is a layer 3 data unit with destination mac address of all Fsbroadcast packet is layer 2 data unit with destination IP address of the subnet broadcast address ...
Hi Everyone,Good day!I encountered an issue regarding my firmware upgrade. I follow these steps in upgrading the firmware.Switch# Show usbflash0: -port where the USB insertedYou can see the image on the USBStep 2: Clean Up the flash to ensure at leas...
Resolved! Can't ping other PC routers and servers
why when I try to ping Client in another router can't and if i try ping to server unreachable? password :passadmin
Hi all hoping someone can assist me.... I just purchased a Cisco Business 220 Series 16 port switch. I'm trying to do some basic configs via GUI. I created few VLANs and all I wish to do now is to add IPs to them. But for whatever reason when I se...
