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
Resolved! MACsec on 2960 Catalyst
Hi all, Hope to find everyone wellI received a request from a costumer where he wants MACsec implemented between the switches, I did this and it's working correctly between the Ciscos 9300 and 9200. But I have some 2960s in the network where I tried ...
Hi, We have recently replaced a pair of legacy distribution switches (WS-C3750X-12S-E) with a pair of 9300's (C9300-24S-A). The config is identical, and so are the SFP's (and are compatible with this unit). The access switch downstream (WS-C3560X-48)...
Does anyone has any idea about this issue?Ports Gi1/0/10, Gi1/0/19 network access issue for PCs. Network continuously flapping.
Hi All, can we use 3rd part ssd on catalyst 9300 switches. Regards,Avdhesh.K
Hello everyoneI am trying to connect two wan network by L3 cisco switch There are duplicate addresses in the two networks that cause devices to fall (IP conflict)What is the best solution to block conflicting IP Addresses range ?I have applied the Ac...
Team,We are struggling a bit with lldp support on an old Cisco switch and was wondering in case we can get any expert opinion.This switch is not ready to accept the command "lldp run". We are wondering if it could be a license issue or a version issu...
Resolved! No Default Vlan 1 showing on 2811 Router
Hello, I am sure this is a rookie mistake but your assistance would be greatly appreciated. I am an admin working on Cisco Routers and Switches. Throughout our network I am noticing Telnet not SSH is enabled. I want to enable SSH and I connected to o...
Hello, Refer to the the following document: https://www.cisco.com/c/en/us/products/collateral/switches/catalyst-9200-series-switches/nb-06-stackwise-architecture-cte-en.html I have 5 x C9200 switches which I am planning to configure in a Stackwise 16...
I have a 3750E-24PD-E switch that I'm trying to create a stack with a 3750-48P-E. Whenever the new switch is attached and booted, it fails to join the stack with a "feature mismatch" error. I don't have anything configured (to my knowledge) on the ...
Hi, I have a voice device. It connected to a voice vlan. But there is no "int vlan 10" in the config. However it is getting IP from vlan 1. When "sh mac address-table", it falls under vlan 2. But "sh ip arp", it falls under vlan 1.May I know what is ...
I have several 2960x series switches with IP routing turned off and the IP default-gateway command entered into them. IP default-gateway 10.1.1.254 However, they will auto-magically define their own routes to certain clients on a remote network i.e. ...
I have a ring network with Cisco IE4000 and non-Cisco switches running PRP.I need to disable spanning tee and enable PRP on IE4000 IOS version : 15.2(7)E2 & Backplane FPGA version : 0.54 How can I make PRP work on IE4000?
Resolved! Cisco 9300 Routing Traffic Weirdly
I have a new stack of three 9300s that seem to route traffic in some very confusing ways. I can reach the vlan address on the switch (10.214.184.1) from my workstation: # mtr -rnc 10 10.214.184.1 HOST: c00464.lereta.com Loss% Snt Last Avg Best Wrst S...
Resolved! Home lab - Dynamic ARP Inspection (DAI)
Hi, I have the following topology: I am trying to configure a simple Dynamic ARP Inspection. This is configuration on the Switch: hostname Switch ! ! ! ! ip arp inspection vlan 1 ! ip dhcp snooping vlan 1 ip dhcp snooping ! spanning-tree mode pvst sp...
I have read and understand how to configure port security, along with secure MAC address aging.My question is 1)Why and 2)When would an administrator configuring secure MAC address aging. Could someone please share a popular use-case? Thanks in advan...
