Category: STP

01

Apr2014

What are STP Edge Ports/Portfast?

0
Spanning Tree (STP) is running on all switch ports by default once the daemon is enabled.  STP first LISTENS and LEARNS before FORWARDING traffic.  It's the LISTENING and LEARNING states that delays traffic from being delivered to end devices.  The lack of FORWARDING during the LISTENING and LEARNING interval can cause IP address configuration failure ... Read More
April 1, 2014Praveen Bahethi

28

Mar2014

How do you configure VRRP on Comware?

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Virtual Router Redundancy Protocol provides end devices alternate default gateways without having to be configured for them. With VRRP, a end device continues to speak to the same MAC Address discovered during ARP resolution, because of the Virtual IP (VIP) configuration in VRRP. Configuring VRRP requires knowledge of the Layer 2 ... Read More
March 28, 2014Praveen Bahethi

27

Mar2014

How do you configure MSTP on HP Comware via CLI?

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We have three HP Comware switches in a triangle with each device being at default configuration after enabling Multi-Instance Spanning Tree (MSTP). We’ll be optimizing the network by adding load-balancing for MSTP and across 20 vlans and link aggregation. A quick overview of the Layer 2 configuration of the network [5800A]display lldp ... Read More
March 27, 2014Praveen Bahethi

27

Mar2014

What is 802.1.q-2005 MSTP, Multi-Instance Spanning Tree?

0
Multi-Instance Spanning Tree (MSTP), IEEE 802.1.q-2005,  to allow for additional features in Rapid Spanning Tree Protocol, such as "Per Vlan" STP as is found in PVST+. The concept behind MSTP is that Layer 2 devices could be further subdivided into regions and vlans could be added to the regions as instances. ... Read More
March 27, 2014Praveen Bahethi