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...
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Forum Posts
Simple question...Given: You want to adjust an old config, but you want to save the old config so you can rollback to it in case your new config has adverse affects.Question: What is the typical way, at least temporarily, to save the old config?Thank...
This school year I wanted to use Packet Tracer multiuser with my class, but they work in teams of 3.It seems that PT doesn´t allow us to connect more than 2 users. Is there any possibility to connect 3 or 4 users in the same network using the PT mult...
Hi, Just trying to understand why there is a consistent ~50% discrepancy between the input data rate of the SPAN source interface and the output data rate of the SPAN destination interface? Input/output rates seem to align for another monitor session...
Hi!The last week I implemented Netflow on 4500 Cisco Core SwitchI can identify, that a host has a Top Connection, 100 GB in 15 minutes:eze06s08-in-f3.1e100.net (172.217.173.227)443pc.domain.local (x.x.x.x)591476Have do you any idea about this traffic...
We recently replaced 3750 switch with 9300. From the day one, I'm having an issue with various different things like https doesn't work to hosts that are connected to this switch. I can't seem to ping anything bigger than data size of 1372. The sw...
Hello, Topology: LAN -- >Switch_1 -- > FW_1 -- > C350_1 --> Velo Cloud_1 --> WAN LAN -- >Switch_2 -- > FW_2 -- > C350_2--> Velo Cloud_1 --> WAN We have a pair of C350's with a clustered pair of A/A Velo cloud devices configured on the north facing si...
9300 stack cables can be used for 9200 series switches
This PTTA is the first in the learning Packet Tracer series. The step is to connect a PC to ALS2. After completing on the physical layer, there is no SUBMIT and no auto advance action. The Next button is therefore greyed out and no way to continue wi...
Hello,I have this weird issue where the switch doesn't allow SSH directly from LAN majority of times. SSH and telnet from LAN times out. But if SSH'ed through VPN or through another network devices, it always allows.t version 15.2no service padservic...
Is it possible that C9500-24Y4C with network-essentials does not support more than 2 port-channel interfaces? I tried to configure a port-channel and it only allowed me to use 0 or 1 as the group number. C9500-24Y4C(config)#int twe1/0/11 C9500-24Y4C...
Resolved! VLAN Segmentation
We are a manufacturer, so we have PLCs that do much multicasting. Sometimes a PLC message doesn't get to a computer or database in time. I believe we are having timeouts. I have many VLANs for different hardware or usage types, but I don't think t...
Hi,We have an appliance Cisco IE-2000 with lanlite which doesn't allow to apply port security.Will we need to purchase a lan base license for it if we want to use: lanbase license?The show license output is as belowsh licenseIndex 1 Feature: lanbase ...
Hello Guys' ,can any share useful real environment IOS XE and IOS conditional debug example Thanks
Resolved! Powering C3560CX-8PT-S via PoE
I am using a C9300-48UXM (IOS XE 17.03.04) to power a C3560CX-8PT (IOS 15.2(7)E3). Based on the Data Sheet, the C3560CX-8PT should be able to operate with a minimum of 2x PoE Uplink or 1x PoE+ Uplink. When I use 2x Uplinks, the switch can boot normal...
Hi to all, we want to enable nxapi on NX3548, but when i try to enable it i get the following: NEXUSA(config)# feature nxapi Error: Feature not supported on this platform It is very strange since the 3548 should support the API according to this doc:...
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