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
PaI am using Packet Tracer to create a Lab. On NY-R1 I am not able to create the port-channel 1.10 sub-interface. Does Packet Tracer allow me to create ether-channel sub-interface? NY-R1(config)#interface port-channel 1.10 ^ % Invalid input detecte...
Hi, I am trying to know what is the air flow of PWR-C5-125WAC for a Catalyst 9200 switch but couldn't find this info anywhere, does anyone have this info please? Thanks.
Is it necessary to change the MTU for SVL links in a scenario in which interfaces are configured with MTU larger than default 1500 bytes?Traffic could flow between chassis through SVL links in a Stackwise Virtual cluster. Could not find any reference...
What is going to be the easiest way to grant internet access to Voice VLAN on a Cisco 9200L?
I'm migrating from a 4500-X VSS pair to a pair of C9500-48Y4C's.In the old config, here are some specifics:4500X#sh system mtuGlobal Ethernet MTU is 1500 bytes.under "show run" here's the vlan config:!vlan 3708name Prod-2mtu 9000! 4500X#sh vlan3708 ...
I have an complex architecture where two switches IE3300(17.12.04) are connected to each other over the trunk and the configuration is sime as belowint G1/1switchport mode trunkswitchport nonegotiate It is showing port in Broken BKN and P2p PVID* , I...
Can anyone tell me exactly what the following SNMP traps alert to?snmp-server enable traps bridge andsnmp-server enable traps bridge topologychangeI believe they should alert to topology change and change in state from forwarding to blocking etc.. bu...
Hi ,I have to upgarde cisco above mentioned model ,Can some one share the steps or official link to followThanks in advance
Hi,I have been struggling all day in an attempt to get mlabbe/iperf3 installed on a 9300 running 17.3.5 using advantage.So far, I have tried saving the image using docker save which defaults to the "oci-archive" format (uses blobs) as well as using p...
I am looking to find out the proper configuration for three ports on two 3750X switches to have an isolated network / VLAN that will NOT talk to any other network / VLAN in my environment and only needs internet access. I have two interfaces on one s...
Hello all,I'm configuring Multiple Spanning-Tree (MST) and I've been reading the Cisco documentation trying to figure out how to configure Portfast when using MST, since MST itself doesn't have any commands for things like Portfast.In reading, am I c...
I have a question about this — I’d like to know if it’s considered good practice or good design to configure a port-channel between two buildings that are interconnected by two dark fibers. One fiber has a distance of 10.5 kilometers (~6.5 miles) and...
Resolved! Multiple MRP ring.
Dears We are going to Implement MRP ring on our site (between 50-60 buildings). We planned 2 MRP rings as shown in drawing. Red lines MRP Ring 2 connections. Blue lines MRP ring 1 connection. Green line Shared interface in both MRP 1 and 2.How can I...
Resolved! Technical Support Engineer
I have faced a problem with Catalyst 3750 recently, after we installed POE IP CCTV by about 2 months the switch suddenly crashed except only 3 ports which have the NVR and 2 cameras connected to. After the replacement of the switch with Catalyst 9200...
