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
Resolved! Cisco Packet filtration
I have a question, im working in an office where we're using old cisco 2960s and our core equipment are two C3850.We're about to make some changes to our internet line, which includes filtration of packages coming from our vendor as we only want what...
Hello, I am trying to bring up an 100G link on Cisco 9364 using 3rd party CWDM4 QSFP28 but the TX power is NA. Can I change something to fix it? I tried to disable fec, to set the speed to 100G but without any luck. The output of show int trans det i...
I am totally new to cisco and networking in general. I am using a CBS350-16T-2G. I got it because my ISP's ONR HG8240T5 is horrible, it only lets me assign 16 ip addresses using mac addresses and does not let me create subnets/vlans. It also does not...
Resolved! Does the C9200CX-12T-2X2G-A support QinQ
Hi, does the C9200CX-12T-2X2G-A support QinQ
Hello, I'm trying to connect an intercom with 2 MAC addresses (one for the voice and the other for the video) to a switch 2960X with 802.1X and MAB enabled.This is the configuration on the port where the device is connected to:interface GigabitEthern...
Resolved! Cisco Stackwise Virtual
I have (2) cisco 9500-24Y4C switches and I am looking to get advise on which ports I should use. I want to create a virtual stack. From what I have read so far, it seems best practice would be to use 3 ports per switch. (2) ports for the SVL link ...
Type: SW_MATM-4-MACFLAP_NOTIFinterface GigabitEthernet1/0/7description COPPER Startech VDSLswitchport trunk encapsulation dot1qswitchport mode trunkpriority-queue outmls qos trust dscpspanning-tree portfast edge trunk!interface GigabitEthernet1/0/8de...
Hello, I am struggling with what should be a straight forward switch add to a network. We have a 2960XR three switch core stack with seven VLAN's configured, of which one is for management. The core is configured with all the SVI's for all VLANs an...
Hello, We have a Cisco switch connected to the CE , the Switch connected via trunk link to the router carries 4 vlans , the switch select the interface going to the router to be the root port , my question is , is this normal ? when the Provider chec...
I am looking for letters of volatility for the 9300-24P-E and C1000-8FP-2G-L. Where can I find this information? Thank you
Greetings,I have 9407 switch with 2 Supervisor Engine - C9400-SUP-1XL.My question is I would like to remove the standby SUP while the core switch is up and running.As the network is up and running and I don't have the permission to shut down the core...
how to put in command for indian format time zone ,unable to do
Hi,I have two sites connected by a point to point link, users connecting on the Wireless VLAN 900 are affected only. I am able to ping between the sites on the VLAN but RDP and HTTP traffic is failing.When I do a traceroute from site 1 I get and outp...
Resolved! Email notifications switch
hi, I would like to ask if it is possible to set email notifications about errors on Cisco switches?
We’ve got an issue where a switch is giving a vlan666 to the output of cdp in VMware and it doesn’t exist. Any ideas how this can be resolved ?
