Caveats Regarding OSPF Network Types over NBMA Networks

When configuring OSPF over Frame Relay, the OSPF network type concept can become a bit troublesome. In fact, many CCIE Routing and Switching lab preparation texts and lab books focus on the variety of combinations of OSPF network types used with Frame Relay for various interfaces/subinterfaces. The ...

LDP Control-Plane and Forwarding-Plane Components

The state of an LSP that is established through LDP can be divided into two components: the LDP state (which is maintained in the control plane), and the MPLS forwarding state (which is maintained in the forwarding plane). The exact format of the LDP state or the MPLS forwarding state of an LSP i...

Monitoring and Troubleshooting CBWFQ for Frame Relay

The show policy-map privileged EXEC command can be used to display the configurations of all classes comprising the specified service policy map or all classes for all existing policy maps. A sample output of the show policy-map command is shown in Example 18-4. Example 18-4. Output of show polic...

BPDU Guard

 Recall that the traditional STP offers the PortFast feature, in which switch ports are allowed to immediately enter the Forwarding state as soon as the link comes up. Normally, PortFast provides quick network access to end-user devices, where bridging loops never are expected to form. Even whi...

Adjusting Local Preference Values

When BGP routers within an AS exchange information about a particular route using iBGP, they include the Local Preference value. All of the routers in the AS are then able to use this value to decide how to weight this route versus other BGP routes to the same destination. BGP consults the Local Pre...

Contact Us

86-136-2222-6316
CALL ME NOW

© 2011 CathaySchool, an ANDA Technology Group company, All Rights Reserved Privacy Policy | Refund Policy | Disclaimer | Sitemap | Resources Tags