Networking Knowledge Base

IP Helper-addres for VLANsThis is simple solution to reduce a bottle neck of router which is issuing ip address to clients using IP DHCP pool "Vlanxx". IP Helper-Address command can point to enterprize DHCP Server instead to issues ip address to thei...

Solution OverviewSupported DevicesSupported CarriersPrerequisites for Managing Cisco Catalyst Wireless GatewayRestrictions for the Managed Cellular Activation SolutionDay-0 Managed Cellular Activation User WorkflowEnable Cisco eSIM on SD-WAN ManagerR...

Network Time Protocol (NTP) Introduction NTP Modes NTP Configuration for IPv4 NTP Versions NTP Configuration for IPv6 Introduction Network Time Protocol (NTP) allows network infrastructure device to keep its system time synchronized to an external a...

  Introduction The purpose of this document is to demonstrate the Open Shortest Path First (OSPF) behavior when the V-bit (Virtual-link bit) is present in a non-backbone area. The V-bit is signaled in Type-1 LSA only if the router is the endpoint of...

Are you effectively leveraging the powerful features and capabilities of Catalyst Center? In this webinar, our Cisco Technical Experts delve into strategies to transform your network management experience. View to learn more about: Foundational featu...

Integrate Cisco and third-party platforms with Cisco Catalyst Center to enhance visibility, efficiency, and automation in your infrastructure. With successful integration, you will achieve quicker troubleshooting, effective use of historical data,...

The Cisco Document Team has posted an article. This document describes how Evolved Programmable Network Manager (EPNM) can manage backup configuration files for devices from its central location. Know of something that needs do...

The Cisco Document Team has posted an article. This document describes the troubleshooting steps and solution for DHCP packet drops in EVPN on Cisco Catalyst 9500X/9600X Series switches. Know of something that needs documenting...

Hello everyone, The Cisco Catalyst SD-WAN Product Management team is proud to announce the general availability of cloud-delivered Cisco Catalyst SD-WAN, a new deployment option for Catalyst SD-WAN. This is our latest, simplest, and most efficient d...

                                                                            Network Time Protocol (NTP)IntroductionNTP ModesNTP Configuration for IPv4NTP VersionsNTP Configuration for IPv6IntroductionNetwork Time Protocol (NTP) allows network infrast...

I’m no electrical engineer, (the closest experience I have with electricity is the amount of electrocution I received when I was a child [due to faulty cabling of electrical appliances]) so I will spare readers technical jargons and boring formulas b...

The Cisco Document Team has posted an article. This document describes EVPN simplification CLI for BGP VRF Auto RD and Auto RT in EVPN on Catalyst 9000 series switches. Know of something that needs documenting? Share a new docu...

The Cisco Document Team has posted an article. This document describes how to understand and troubleshoot Mac Address Table Manager on Catalyst 9000 Series Switches. Know of something that needs documenting? Share a new documen...

The Cisco Document Team has posted an article. This document describes how to configure and troubleshoot Local Area Bonjour in the unicast-based approach. Know of something that needs documenting? Share a new document request t...

The Cisco Document Team has posted an article. This document describes restrictions for ports on C9600-LC-40YL4CD and C9600-LC-48YL line cards when used with the C9600X-SUP-2 and C9500X-60L4D. Know of something that needs docum...