Skip to content

Meta

  • Register
  • Log in
ItsyourIP.com

Your gateway to Internet

Primary Navigation Menu
Menu
  • About
  • Contact Me
  • Free Antivirus
  • Free Firewall
  • Sitemap

switching-loop

How to enable Spanning Tree Portfast in Cisco Catalyst switch (IOS)

2008-01-25
By: admin
In: Cisco
Tagged: access-switch, bpdu, catalyst-switch, Cisco, portfast, spanning-tree, stp, switching-loop

STP Portfast is a feature in Cisco IOS which allows a switchport which is participating in STP to directly transition from Blocking mode  to Forwarding mode when a device connects and the link goes up. This can improve the initial connect time and can fix some issues with Windows based devices connecting to the Active Directory domains. STP Portfast is ideal for ports which connects directly attached devices and certainly not for the ports which connects a hub or a switch. Hence, good to set switchports that directly connect end devices on your Access switch.Read More →



Categories

  • ARP
  • Browser
  • Cisco
  • Database
  • Debian
  • DHCP
  • DNS
  • DNS Records
  • Firefox
  • internet-explorer
  • IP Tools
  • juniper
  • Linux
  • MySQL
  • Network Inventory
  • Networking
  • OpenSource
  • OpenSource Clustering
  • Opensource Firewall
  • OpenSource LoadBalancer
  • Opensource NAC
  • OpenSource Router
  • Opensource VPN
  • proxy
  • Python
  • Redhat
  • Secure Shell(SSH)
  • Security
  • Security Audit
  • Security/Penetration Testing
  • Sniffing/PacketCapture
  • Solaris
  • Tools
  • Ubuntu
  • Unix
  • VirtualBox
  • voip
  • vpn
  • Windows
  • Wireless

Tags

802.1Q acl backup Cisco DHCP DNS DNS Records encryption Firefox firewall gateway High-Availability icmp internet ios ip-address ipsec IP Tools juniper Linux mtu network OpenSource Opensource Firewall OpenSource LoadBalancer proxy Redhat restore route router routers running-config Security snmp Solaris switch tcp tcpip udp Unix virtual-server vlan vpn Windows Wireless

Recent Posts

  • MySQL: how to delete all records from a table
  • Python: Remove last ‘n’ characters of a string
  • How to block select in PuTTY
  • How to enable/disable Right-click paste in PuTTY
  • How to change the HOST key in Oracle Virtualbox Manager
  • FileZilla FTP Client configuration through BlueCoat proxy
  • Unable to delete Stale/Obsolete statc routes in Cisco IOS
  • How to create VLAN Interfaces for InterVLAN Routing in Cisco IOS
  • High CPU usage when SNMP is enabled in Cisco Routers
  • Import WyseTerm Host List from one user to another in Windows

RSS Secunia Advisories

RSS MS Security Bulletin

RSS US-CERT Vulnerability

RSS SANS

Recent Comments

  • Forwarding ICMP over a server without redirects on How to Disable ICMP Redirects in Linux for security (Redhat,Debian,Ubuntu,SuSe tested)
  • M.Pasha on How to Disable ICMP Redirects in Linux for security (Redhat,Debian,Ubuntu,SuSe tested)
  • Steve Pollard on How to prevent VLAN Hopping in Cisco Switches
  • Routing issue Sophos UTM Home <-> Cisco ASA 5510 for only linux hosts? - Sophos User Bulletin Board on How to Disable ICMP Redirects in Linux for security (Redhat,Debian,Ubuntu,SuSe tested)
  • BranchCache – Hosted Cache Mode File Server Tutorial | theezitguy on HowTo: Add persistent Static Routes in Windows

Designed using Responsive Brix Premium. Powered by WordPress.