Networking Knowledge Base

HistoryRequirementsConfiguration StepsManaging the KeysChanging the PasswordVerificationThese need to be reviewed \ changed.These are safe to use.FAQReferences History Traditionally Cisco has used several different methods for storing passwords and ...

Core issueRoute Processor Redundancy (RPR) refers to the provision of support for the redundancy feature. In the RPR mode, one of the supervisor engines is active and operational, while the second supervisor engine is in the standby mode. If the acti...

SummaryRequirementsConfiguration StepsVerificationFAQTroubleshootingReferences & Tools   Summary In the past when IOS 12.x was hot stuff we used MD5 to authenticate OSPF neighbors.  This worked great on ethernet networks because OSPF is a multicast ...

The Cisco Document Team has posted an article. This document describes how to configure and verify Service Chaining to inspect traffic across different VRF. Know of something that needs documenting? Share a new document request...

The Cisco Document Team has posted an article. This document describes how to configure and monitor upstream and downstream bandwidth utilization on a transport interface on vEdge routers. Know of something that needs documenti...

The Cisco Document Team has posted an article. This document describes how to configure and verify Administrative Distance (AD) on default routes received via DHCP. Know of something that needs documenting? Share a new document...

The sheer number of bits in an IPv6 address can make IPv6 subnetting intimidating at best. With the addition of a new addressing scheme it's easy to get lost trying to break up your brand new /48 address across your enterprise.The New Boss, Same as t...

ResolutionYou can analyze network traffic passing through ports by using Switched Port Analyzer (SPAN). This sends a copy of the traffic to another port on the switch that has been connected to a SwitchProbe device, another Remote Monitoring (RMON) p...

Gigabit Ethernet is a widespread networking standard, but a question often arises: does it support the legacy half-duplex mode of communication? Let's break down the technical details.What is Half-Duplex and Full-Duplex?Half-Duplex: In a half-duplex ...

                                                                                            MPLS LAYER-3 VPN IntroductionVirtual Routing and Forwarding (VRF)MP-BGP (Multi-protocol BGP)RD (Route Distinguisher)RT (Route Target)Transport and VPN LabelMP...

Table of Contents Table of ContentsAutomationSummaryTerminologySecurity LevelsSupportConfiguration StepsCreate an SNMP Poller Access ListCreate SNMP ViewsCreate SNMP GroupsCreate Read-Only SNMP UsersCreate Read-Write SNMP UsersFrequently Used OIDsVer...

This document is editable by everyone. If you know of an OID, please add it. If one is incorrect, please correct it and add notes.Monitoring CPU on Routers1.3.6.1.4.1.9.2.1.58.0Monitoring Memory on Routers1.3.6.1.4.1.9.9.48.1.1.1.6.1PIX/ASA/FWSMSyste...

IntroductionValidated DesignTraffic Flow in Cisco Wireless SD-Access solutionMeraki Wireless Design FundamentalMeraki Device-to-Cloud CommunicationsLab SetupConfigurationValidation   Introduction With the evolution of software defined networking (SD...

General Overview   In today's fast-evolving business environment, executives heavily depend on data-driven insights to make prompt and well-informed decisions. Executive reporting plays a pivotal role, offering immediate access to crucial key perfor...

Introduction: Catalyst Center's release 2.2.3 marked the introduction of the Secure AP Onboarding feature, a significant advancement for network administrators seeking robust security measures. This feature facilitates the seamless integration of ac...