Networking Knowledge Base

Best Practices The enable password command should no longer be used. Use enable secret instead.username joeblow password mypass command should no longer be used.  Use username joeblow secret mypass instead.Type 4 Passwords should never be used!Use Ty...

IT infrastructures are becoming increasingly complex, now we usually work with tens and hundreds of switches, routers and firewalls.If we need to apply the same command to a number of devices, then the easiest way is ansible.If we need to apply the s...

The Cisco Document Team has posted an article. This document describes how to remove USB memory connected on a platform that has Network Function Virtualization Infrastructure Software (NFVIS). Know of something that needs docu...

The Cisco Document Team has posted an article. This document describes the process to check the license status after a migration of a CSR1000v to a Catalyst 8000v. Know of something that needs documenting? Share a new document ...

Welcome to another article in our series about ThousandEyes! ThousandEyes is a powerful SaaS platform that gives a digital picture of enterprise infrastructure, formed by test views, alerts, dashboards, and other components. In this article, we will ...

  Solution: With the introduction of fabric zones in SD-Access, there arises a need to support the same VLAN name across different fabric zones. This capability allows for different edges to have distinct VLANs while maintaining a consistent VLAN na...

Tracking is only for HSRP to detect some changes in the routing table. HSRP is not a real routing protocol it just provides a default gateway at Layer 2 and Layer 3. Interface tracking allows you to specify another interface on the router for the HSR...

The Cisco Document Team has posted an article. This document describes how to recover the access to Cisco Enterprise NFV Infrastructure Software (NFVIS) when there is not enough space on the disks. Know of something that needs ...

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...