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
What is going to be the easiest way to grant internet access to Voice VLAN on a Cisco 9200L?
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 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...
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 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...
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...
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...
I have pvlan trunk port facing router with some pvlans, primary and isolated vlans. I also have access (community) and trunks with isolated ports and this all works ok. Problem is that I need to have trunk port facing host that utilize normlal and co...
HiWe are looking for recommendations for replacing our existing N7K.Is someone able to guide us in the right direction...This is the current build:Mod Ports Module-Type Model Status--- ----- ------------------...
We have a pair of Nexus 9000 switches in use, and we've managed to lose the password for the generic admin user.We still have a couple of us with personal logins, so we still have access.However, what I can't recall from initial setup or find any use...
Could someone help me with software upgrade for IE-3100-8T2C from Cisco IOS XE Software, Version 17.12.02 to Cisco IOS XE Software, Version 17.12.05, unable to find exact steps online
Resolved! mini USB console Windows 10
Hi did anybody get this to work? i am using Win10 64bit installed the 64bit driver from cco which is kind of old - back from 2014 Cisco_usbconsole_driver_3_1.zip install and restart i see the USB Serial Port COM 4 in device manager changed in put...
Resolved! Issue stacking Cisco 9200L C9200L-48P-4X
When trying to install a second switch and stacking to current live switch, both running 17.06.05, I get a lock-up state where all communication is lost with primary switch. What steps should I take to resolve this issue?
