- Written by Xuan Qi
- Posted on October 20, 2022
- Updated on September 19, 2024
- 5705 Views
EVPN gateway support for all-active (A-A) multihoming adds a new redundancy model to our multi-domain EVPN solution introduced in [1]. This deployment model introduces the concept of a WAN Interconnect Ethernet Segment identifier (WAN I-ESI). The WAN I-ESI allows the gateway’s EVPN neighbors to form L2 and L3 overlay ECMP on routes re-exported by the gateways. The identifier is shared by gateway nodes within the same domain (site) and set in MAC-IP routes that cross domain boundaries.
- Written by Jeevan Kamisetty
- Posted on December 22, 2020
- Updated on December 22, 2020
- 10475 Views
Arista MLAG supports STP for Layer 2 loop detection. In fact, most customers enable STP in their MLAG(s) to ensure no
- Written by Daniel Guerin
- Posted on October 20, 2022
- Updated on November 3, 2022
- 5580 Views
Spanning Tree Protocol requires each interface to have a unique port number ranging from 1 through 4095. Arista STP typically assigns port numbers to port-channel interfaces in the order in which they are configured.