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
is the switchport block multicast command useful on the switch interconnection trunk port? For my understanding, only the access port need this command to prevent some unknown layer 2 multicast traffic. Will this command create issues if configured...
Hi, I'm configuring a new WS-C4507 VSS deployment, do I need a special license? How can I verify the current license and if a new one is needed, how can I get and activate it? Chassis PN: WS-C4507R+EChassisSUP Supervisor PN: 7L-E LANBase License ...
Hi Expert Team, I have configured "tranport input none" in line aux 0, but I don't see the "transport input none" on AUX 0 in show run. Please help about this problem, my device doesn't pass security compliance because of this command. DC-RTR-02(c...
Good day all.Currently my team uses a few Catalyst 2960-S switches and in order to maintain a monthly backup on a FTP server, we've implemented KRON along with the archive command to schedule a write memory operation aiming at the server.It's been wo...
Hi Everyone I need a transceiver for a WS-X4712-SFP+E in a 4503 Chasis to support a 28 Km distance. Im seeing the compatibility matrix for the following transceivers which supports what I require. SFP-10G-ER= 10GBASE-ER SFP+ transceiver module ...
Hi Experts, Issue: POE is not working on 1 port in one module. Background: We have CISCO 4507 switch running with "redundant mode" power supply. Have enough power supply to support POE. But facing issues with POE on 1 port in 1 module (WS-X4548-RJ4...
Resolved! IPV4 Multicast
Which two statements about IPv4 multicast traffic are true? (Choose two.) A. It burdens the source host without affecting remote hosts. B. It uses a minimum amount of network bandwidth. C. It is bandwidth-intensive. D. It simultaneously ...
Hi Team, We have nexus 9k ( N9K-C93180YCEXB18Q) standalone device. We have configured po (2 links) between nexus and server. All interfaces will flap and go into Internal-Fail errDisable state. Pls suggest how to fix this issue. TCLBLRCORPSRVS...
Hello, For some reason today the master password on my Cisco CLI Analyzer no longer works, what can I do to fix this? I can use my CCO after, but am restricted in areas.
Hello,On a switch in production, we have 3 PLC (Programmable Logic Controller) very sensitive. They are each connected to an interface rj45 of this switch.For some time, the engineers who manage these PLCs have problems.By sniffing one of the PLC, th...
Resolved! GVRP not showing in SG550XG?
Hi, I have a SG550XG-8f8t switch. I would like to activate the GVRP but it does not appear in the web interface. This option should appear in VLAN Management > GVRP Settings. Any idea? Is necessary activate it by command line? Thank you...
Resolved! C3650 sw IOS verification to upgrade
I'm looking for a mounting kit for an SG 200-50P 50-Port Gigabit switch. Or looking for the specific size for this switch. Thanks B
dear colleagues!I have issue with configuration L2tv between LNS and LAC.I have next equipment and config: Chassis type: ASR1001 Slot Type State Insert time (ago) --------- ------------------- ---------------------...
Resolved! IOS upgrading
Which statement about upgrading a Cisco IOS device with TFTP server?A. the operation is performed in active modeB. the operation is performed in unencrypted formatC. the operation is performed in passive modeD. the Cisco IOS device must be on the sam...
