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
In The 802.1Q Tag, What's The CFI Bit Used For?
I am having an issue trying to get IP routing working using a layer 3 switch as a core and layer 2 switches in IDFs. The Core(layer 3) has several VLANs on it each with the IP address on the vlan interface. There are several hosts on each of the vl...
Hi, all I need to upgrade Cisco IOS Software [Denali] version 16.3.6 to 16.3.7 on WS-C3850-24XS.Can I know the required time in advance? It takes time to upgrade the HW image by Front-end Microcode IMG MGR... Thank you for your cooperation in advance...
Hi There, Anyone know Cisco C9410R support Stack-wise virtual? The document says "Cisco Stack-Wise Virtual is supported only on Cisco Catalyst 9404R and Cisco Catalyst 9407R switches". what is the offering from Cisco for having two C9410R as Core...
Resolved! Cisco Cat 9500 and 9300 IOS-XE versions
Hey All, I'm in the middle of deploying a pair of Cat 9500-40X in Stackwise Virtual and about 15 x 9300-48U switches in various stacks. I'm looking at the best IOS-XE versions for my deployment and I can see that I need a minimum of Fuji 16.8.1 for t...
Resolved! Can't ping VLAN interface from Aironet
Hi,Could someone please tell me what's wrong with my switch configuration. I cannot ping devices from my access point or access its web-browser interface. IP address for vlan 10 interface on the switch is 10.x.x.2IP address for BVI1 interface on acc...
Hi, Due to urgent needs, i have temporary connected 2x separate non-cisco switches (edge switch) to my cisco 2960x which is acting as the core switch through separate trunk ports. The non-cisco switches only allow me to choose the option of STP, RSTP...
Hi Requirement is we have configure span and its working fine but we need to filter the traffic.scenario is 1 deny one host source to host destination 2 try to configure vlan map and when configuring filter access group command it gives erro...
Can somebody explain how AIS works in CFM and how client level configured on AIS will works? Take the case for both up and down mep..Please help
Can somebody explain how actor and partner elected for below link SW1 1/1----------1/1-----SW2 1/2----------1/2
Hi there, Is there a procedure for upgrading a pair of Cisco Nexus 93180YC-EX with vPC running so that each member in the pair takes over traffic while the other installs the new version? Most of the hosts connected to each Nexus are connected to bo...
Resolved! IOS-XE: Testing specific TACACS server
I have a WS-C3650 running IOS-XE version 03.06.06E. I have two tacacs+ servers configured on it and I can login fine. I know that the primary tacacs server, server1, is working, but how can I test that server2 is working as well? When I issue the com...
Hi,I need to aggregate traffic received from 8 ports to be forwarded to 1 port. The traffic from each port is not to be forwarded to the others port.With all ports to a vlan, the problem is that each port forward to all other ports (we use L2 switchi...
Hello, I was recently asked to trunk a VLAN across two trunk interfaces that use sub-interfaces. My question is, how can I trunk VLANs only without having to add an IP and the VLAN to trunk across the sub-interfaces. See example below. Current setup ...
Thought I posted this yesterday but i don't see it in my discussions so adding again. Sorry if it made it but my profile didn't get updated. We have a legacy network, 10.20.1.1/16. It has been "self governed" to have internal break outs of usage ...
