Hi, I have a basic ACL to do between 2 vlans but i can't make it work. I want that the Vlan1 only comuncate on port TCP 5090 and 5900 with vlan 4, and with no restriction with other VLANs.I want that the Vlan 4 access to all Vlans with no restriction...
Hi i have an known below mentioned issue in my network. we have nexus 9k is our core and we have all SVI in it. https://www.cisco.com/c/en/us/support/docs/ios-nx-os-software/8021x/116529-problemsolution-product-00.html swith model : N9K-C9508OS : N...
I have set up ACLs to deny most traffic between VLANs on a 3750x switch (which is also acting as the inter-vlan router), however it does not seem to work at all. More specifically, I have the Servers VLAN 10 and Clients VLAN 15. Despite the below con...
Hi Exprt, I am deploying cisco macsec by using two cisco C9300 in two sites. And the inter-connection is using MetroEthernet.But found that after deployed macsec, physical port status is up, but protocal is down. After debug the mka policy, found th...
Hey guys, Im configuring some IE-2000 switches from scratch. Theyre new from the factory, but everytime I try to launch the web interface through express setup I get a 404 page not found. Ive setup dozens of these before with no issues. Does anyone h...
Hi Everyone,After upgraded Cisco 3750G switches to IOS Version 122-55.SE7, the output of "show env all" showing the built-in power is unavailable. If we remove RPS, the switches show built-in is good, see the output below. I wonder has anyone seen ...
Hello I have 1 Cisco 9200 switch connected to 2 other Cisco switches with Fiber connection, as the below diagram: What the configuration for STP should I apply if need to connect Site B with Site C. Appreciate your help Thanks
Hello, I have a network were all traffic should pass through a firewall (in a server) that implements some routing and filtering rules. As we can see in this picture, the server is connected to switch 3 (a layer 3 switch). To direct the traffic to th...
Hi everyone, I have encountered a strange problem - maybe someone here has an idea on how to troubleshoot this. My network layout looks like this: | Ubiquiti 24P unmanaged switch| ...
I built a stack of two C9300-24T switches yesterday to replace a pair of Catalyst 3560X's. Very simple cut-&-paste configuration with some HSRP IPv4 addresses being removed and the HSRP VIP's added as the physical addresses.About an hour after the s...
HiSome querieson the newer switch eg C9300 the management port are peg to vrf, so the routing table separates. for the old model like 2960X the management port isnt peg to VRF so they are sharing the same route table since there is no vrf So if were ...
While I have used monitor sessions for years in production for deep packet inspection for IDS/IPS, packet capture and network analysis recently a some potential clients have been told by Cisco support that SPAN is not a tool for this application. I ...
Hi all, sorry for this question but I am still studying it but I have small project of network in Cisco Packet Tracer with main switch and three other switches for each of departments in company. I want to create in main Switch0 3 VLANS: VLAN20, VLAN...
I'm connecting an interface off of a firewall onto port 41 of a 2960x running 15.0(2)EX5 with a very generic configuration: interface GigabitEthernet0/41switchport access vlan 200switchport mode access When I issue a "show mac address-t int gi 0/41" ...
Currently using this command power inline port 2x-mode on a 2960x switches to fix the PoE problem for some of PoE devices that suddenly draws more power when activated at random intervals. However just replaced a 2960x switch with a 9200L switch and ...
