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! Error disable recovery cause
Hi, Is error disable recovery global commands are best practices or it should not enable. below are some commands. If anyone can reply based on Cisco best practices perspective. errdisable recovery cause udlderrdisable recovery cause bpduguarderrdisa...
Hi,Please advise how to rectify the sys LED issue on the cisco switch IE-4010-16S12P. I am able to console into the switch and perform the configurations. But the sys LED is always red. SW version is 15.2(7) E2.Please let me know if you need for info...
I Have 2 unstacked Nexus 9300 switches in a datacentre that are using a port channel group that has a VPC on it. Both of the connections from these switches run through separate Cloud VXC's and connect to a pair of Catalyst 9200's that are stacked wi...
Resolved! Cisco 2960 DHCP Issue
We have a Cisco 2960 switch that uses DHCP to send specific IP addresses to devices that are connected to specific ports on the 2960. Even after resetting the switch to factory and uploading new known good switch configuration script is not distribu...
Hi, I got a question from a friend who asked to what subnet a public IP address belongs to.I never thought about it because i never seen it in a home router config. I only see it in a lan with private IP addresses.If you configure an Outside IP addre...
Resolved! How to advertise /31 P2P links
Hi all, i have a question, to save ipv4 addresses we can use /31 on p2p links, but my question is since what routing protocol supports /31 to advertise these networks betwen lets say 2 router to reach other networks? do we use static routs, that woul...
At first I have some questions about TCP window, 1. "TCP window" is chance(or a window) to send consecutive bits of data without need of acknowledge in a limit of windows size, am I right? 2. okey let's assume that the windows size of our tcp connect...
I've got a Cisco 2960X-48TD-L switch. I can configure the switch via the console (using the USB mini console port) but I'm unable to get the thing to enter Express Setup mode.I'm following the directions here, in the Getting Started guide. I'm copyin...
Resolved! Cisco Catalyst 3750 in stack
I have Cisco Catalyst 3750- 3 switches in stack. Number 1 is over heating. What I have to do to remove it from stack? I know that, before removing mast turn off and after that removing stack cable. I asking for after that. Please, tell me the command...
Site B (2960x) is currently connected to our network via fiber using spectrum as a provider. Because the location is directly across the street from Site A, we ran private fiber. In connecting the single mode fiber to Site A switch stack (2960x), as ...
I'd like to stack two C9200L-24P together (data and power). A requirement is for dual redundant power to be in effect. In a stacked configuration, would power sharing across the stack negate the need for two PSU in each switch?ie; the single PSU in ...
Resolved! Connecting fortigate to Cisco Core
HI,I have a problem, we have a failover fortigate FW pair both linking to a single switch which then has a trunk connecting to our core switch.If I remove the single switch and run the pair of cables from the fortigate into the core then the FW fails...
Hello everyone, I am currently working on a network configuration for a project that requires the implementation of a DHCP server to handle the IP address for 3 subnets. Now I have successfully implemented the DHCP server which allocates addresses ac...
Resolved! Ping issu from PC
hi,i have tow new switch cisco , the first c9500 for distribution and the second c9300 for floors (end users); so when i create vlan 52 with ip 10.10.52.1 on the switch c9500 and VTP server, and i create interface vlan 52 ip 10.10.52.10 on switch c9...
Hi allI am in the process of implementing a secondary Internet link into our environment. I am using Fortigate firewalls and Cisco switches in my environment. I am not seeking any assistance with the Fortigate component.My question is this. On my For...
