Hello, Cisco Community!I’m really happy to share that I’ll be hosting the Cisco Community Lab Series, a brand-new hands-on learning journey designed to help you build practical networking skills step by step.Every Thursday at 8 PM EST, I’ll post a ne...
Forum Posts
Hi,I'm configuring a ISR C1121X-8PLETP working with CBW-240AC AP. The connection is working and most of the devices connect to the AP can connect to Internet. But there are some interesting things I found.First, introducing a bit about the background...
Resolved! VLAN ACL
Hello,How we can make vlan access list to permit traffic from host in vlan A to vlan B but deny traffic from host in vlan B to vlan A
Hi all,I need to increase the default port cost for a 10g port on a cat9300 switch.how is this achieved? I’d need to do it for all but one vlan across the port.tiaKV
Hi,When pinging a device via IP address why is it important to know the MAC address? Why not just reach device via IP address?i.e. I want to reach a server with IP = 23.3.4.4; why not just reach the sever with out having to discover the MAC address?W...
Resolved! Unable to access Internet
What am i missing here , internal vlans 192.168.50.0 & 192.168.60.0 - unable to access the internet or my home router gateway 10.0.0.138from switch i can reach internet and all the vlans show ip route Gateway of last resort is 10.0.0.138 to network ...
Just finished provisioning 1 CBS350 16XTS and 4 CBS 250 24T 4G. I get them talking to each other on a copper port but not via the SFP ports. I purchased a Cisco SFP-10G-SR for the 350 and a cisco MGBSX11G for the 250. Thinking that the CBS350 needed ...
I want to be certain about ip dhcp snooping configuration on a Cisco 2960 switch (in Packet Tracer)Is it true that ip dhcp snooping will disable all dhcp traffic on all the switchports of a 2960 PacketTracer switch?So if that is true, enabling ip dhc...
Hi guys. In one scenario, I have a primary server and a backup server. I want the backup server and the main server to be up at the same time, and the backup server can be in sync with the main server, and if the main server goes down, the backup ser...
Hi,I have a Cisco Small Business SG-200-50P switch. Version 1.3.0.62.The Small Business 200 switches are affected by a session management vulnerability seen here :https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-...
Hello,I am attempting to confirm if a specific switch is actually UL listed, and if so be provided with the UL certificate number to provide an authority having jurisdiction. The switch is the WS-C2960X-24TS-L model. The literature published by Ci...
I'm not a CCNP but have maintained my CCNA for a while so please be gentle I'm being tasked with some minor network tasks at my position as a system administrator and am running into something new. We have an existing 9500-48y4c and I was provided a ...
Please help me!I can't access Catalyst 3650(WS-C3650-24PS-S) Webui after upgrade IOS Release Gibraltar-16.12.8IE, Chrome have same problem.it shows error message as belowThe connection for this site is not secure192.168.0.253(switch IP) sent an inval...
Hi Everyone,I have two questions,please whoever knows the answers can help me.1)When I configure switch for span port; monitor session 1 vlan 10-100 and monitor session destination 1 interface gig 0/1my question is; interface gig 0/1 is destination s...
hello, I am a small home office user. Recently moved config from an old Cisco 1900 to a newer Cisco 1100 series.I am unable to remove a excluded DHCP scope statement. From the cli "no ip dhcp excluded-address x.x.x.x x.x.x.x" does not remove the ent...
Hi all,I am facing an issue with a portchannel I am trying to set up for a windows server 2022. The servers team has requested to provide two ports. They are not using LACP on the server, but SET (Switch Embedded Teaming). I proceeded to create a por...
