Why EVE NG csr1000v is Useful

 

The Cisco Nexus switches provide a feature called Virtual Port-Channel that enables the configuration of a Port Channel over many switches, commonly known as multi chassis Ether Channel. The eve ng csr1000v is comparable to the Catalyst 6500s' Virtual Switch System. It is comparable to VPC or VSS in that it uses link aggregation, or LAG, to connect many physical lines into a single logical link. A downstream switch or host can connect to two switches that are set up as a domain using eve ng arista, also known as multi-chassis link aggregation. Due to the domain's appearance as a single switch, this offers redundancy by providing the downstream switch or host with two uplink pathways and full bandwidth usage. There are no blocked ports since STP sees the domain as a single switch.



Both switches are functioning as spanning-tree root bridges. The bridge address originates from the system-id.

How to use it

A deterministic primary switch is a must.

Set both switches' STP commands to be identical.

For the best redundancy, there should be at least two links used in a port channel for communication between the switches.

If your server is single-homed, traffic may need to cross the port channel to go to the other switch, which would add an latency.

STP must be disabled in order to stop the peer link from entering the discarding state.

It is advised to utilize VLAN, though any VLAN may be used. In order to maintain consistency, use the same VLAN across all domains.

To ensure that this VLAN isn't being utilized by any other ports and to prevent any potential loop circumstances from developing, add the peering VLAN to a trunk group.

To keep this interface up, always try to set the SVI to "no autost­ate."

 

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