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! Interface slot number question
Studying for ICNDI exam and came across this question:There is a rogue switch connected to CORE 1. You know that the switch runs a vendor—neutral link layer discovery protocol.To which port is the rogue switch connected?Fa1/0/2Fa1/0/1Fa2/0/2Fa2/0/1It...
Resolved! VLAN tagging
HiCan anyone help to answer the below question Which two statements about SW2 are true? (Choose two)A. Interface Gi5/1 is using a Cisco proprietary trunking protocolB. On interface Gi5/1, all untagged traffic is tagged with VLAN 113C. The device is c...
Hi, We are having Cisco 2960X switches for access-layer. From past one week we are noticing sudden drop on voip & meeting sessions with Skype, Webex, Teams. After doing troubleshooting we noticed that there is increase in interface reset on switchpor...
I'm having an issue where it doesn't appear my switch it properly passing vlan traffic. I have an NNI connection what we are trying to connect through a stack of 3850 switches. Because its an NNI we are connecting it into a trunk port on the switch t...
Dear Experts, I need to replace 3750 stack switches with 4500 x switch i just need to take the backup of 3750 switch and paste paste it in 4500 x switch ? or do i need some modification ? please advise. RegardsABM
Hi.I have a question regarding the VSL link configurations on both Catalyst 4500X switches: Port-channel1 interface description VSL-VSS switchport switchport mode trunk ---> is it necessary? what would it be for to form a trunk in a VSL link? What...
Resolved! STP Tie Breaker: lowest BID
Hey guys,I'm learning about STP at the moment and am a bit confused about the tie breakers it's using to calculate the best path to the root bridge.As we all know STP uses:1. lowest BID2. lowest root path cost3. lowest sender BID4. lowest sender Port...
Hello All, 1-I have configured a DHCP server for VLAN 1 , specified the network / gateway values , when i plugged my laptop into the switch port it couldn't obtain an IP , i have then configured the "interface vlan 1 " and made it up , the DHCP then ...
An RFQ for a switch that requires "Power cord C13 to C14, PDU style 12 AMP, 6.5 Feet (2m)". I have decided that one of these two switches meet my criteria: C9300-24T-A or C9300-24P-E. How do I select that power cable for those switches?
e got the problem with port security on Cisco 3650: %PORT_SECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC addressWe have deskphone connected to the access switch port and PC connected to the deskphoneThe port-security setup:...
I'm new to the Nexus switches and could use a little advice on link aggregation and QSFP+ to (4) SFP+ (QSFP-4SFP10G-CU5M cable).I have a new Nexus 3172TQ that will be installed as a top of rack switch and will uplink to my core Catalyst 4500x via bre...
I would like to get a 3D cad file for the N2K-C2348UPQ Fabric Extender
C6807-XL 15.2(1)SY0a does anyone know what the recommended fix is? %EARL-SW2_DFC2-1-EXCESSIVE_PARITY_ERROR: EARL 1: Parity error detected in VRAM As I understand it we can upgrade one at a time and reboot them seperately
HelloCreate a simple network as shown in the figure. Need config for IR829 and Catalyst 3560 (be specific to these devices), so that a PC as end user be able to ping to the router.Thanks
Resolved! Cisco 3850-48xs StackWise Virtual
Hi,I am not sure how many members ( physical switch ) can support the Cisco StackWise Virtual. I have 3 Catalyst WS-C3850-48XS-E with software version 16.6.4. Thanks for support.
