Networking

How to Choose and Place Network Devices?

Hello everyone!I am studying enterprise network design and working on a diploma project based on Cisco's three-layer hierarchical network architecture.I would like to understand how network engineers decide which types of network devices are needed i...

How Catalyst 9000 QoS Settings Work

I don't fully understand how the following configuration works—will QoS be controlled correctly?The service policy applied to the interface is TRAFFIC_PRIORITY, but the MARK_QOSGROUP in the policy map is not applied to any interface.In terms of how t...

Why use Layer 3 switches at the distribution layer?

Hello everyone!I am studying enterprise network design and working on a diploma project based on Cisco's three-layer architecture.I would like to understand why Layer 3 switches are commonly used at the distribution layer instead of routers.Both devi...

airtime utilzation

From an airtime utilization perspective, I want to understand the impact of SSID design.Currently, I have:2 SSIDs configured as 5 GHz-only4 SSIDs configured as 2.4 GHz-onlyDoes this design reduce 5 GHz airtime utilization compared to having all SSIDs...

Roaming between other manufactures Access Points

Hi everyone im pretty new to Meraki and was wondering if setting up an Meraki AP i can have it integrate with an existing SSID and 3 other AP's from Ubiquiti to allow devices to roam between the two company's AP's?

CW-MNT-ART2-00 dimensions and mounting pattern

I am in need of the mounting dimensions for CW-MNT-ART2-00 in order to mount on light poles, I can find no schematics for this product.

ACL - show ACL hits with regex filter

Hello,I came across a Cisco lab where the following ACL needed to be configured to protect SRV:Applied ACL at R3:!interface Ethernet0/2ip address 192.168.3.3 255.255.255.0ip access-group out-to-srv outip access-list extended out-to-srvpermit tcp host...

Clients Application Usage vs Clients Bandwidth Usage

I am reaching out regarding a discrepancy I've observed between two API endpoints: 1. getNetworkClientsApplicationUsage: https://developer.cisco.com/meraki/api-v1/get-network-clients-application-usage/2. getNetworkClientsBandwidthUsageHistory: https:...

Catalyst 9000 Policing Configuration

I want to limit the bandwidth for specific traffic from a server on the Catalyst 9000.Is the following policing configuration correct?I want to control the bandwidth on the inbound direction of the interface connected to the server.Also, am I correct...

Layer2 Symmetric Load-Balancing

Hello everyone,For a scenario like the diagram uploaded, what is the cisco solution to symmetrically load balance traffic between servers and the switches work in active-active HA mode?I have used nexus 9k switches.I used vPC but it sends same flows ...

9500-40X ISSU Upgrade with OSPF running between Core Switch & SDWAN

Hi,I performed an ISSU upgrade on the Catalyst 9500-40X switches from IOS-XE 17.15.6 to 17.18.4. During the upgrade, I observed traffic interruption and ping drops for approximately 15–20 seconds, despite NSF and SSO being enabled.Is this expected be...

Resolved! Cisco erase nvram or erase startup-config doesn't work in GNS3

According to this article, I can delete the current startup configuration files and return the router to its factory default settings with the `erase nvram:` and `reload` command.https://www.oreilly.com/library/view/cisco-ios-cookbook/0596527225/ch01...

Micro wave ovens

Is there any specfications I should be looking for when buying a Microwave oven. The question being is one better then another for interfernce on my WLAN?Thanks

Improving your workflow: Introducing Collapsible Navigation in the Mer

Hi Community,We are excited to share a new update coming to the Meraki Dashboard: Collapsible Left Navigation.We know that for many of you, the dashboard is your primary workspace. Our goal with this update is to give you more control over your envir...

MAC ACL per port per vlan

I am looking for a feature/command on Nexus 9K device. The requirement is to drop mcast packets on trunk ports on a certain vlan but only on certain trunk ports. For example Port 1 and 2 is a trunk port each carrying vlan 100 and 200. I want to blo...

Networking

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Resolved! Cisco erase nvram or erase startup-config doesn't work in GNS3

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