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MARK BAKER
Enthusiast

Nexus Intelligent Traffic Director

I have a few questions about Nexus ITD.

1. Can I have ITD running on multiple Nexus 7000 chassis at multiple data centers all active? Seems like I could since it is stateless, but this does raise other questions (see below).

2. Does ITD provide true connection stickiness, and if so, does it provide it across multiple active ITD? Not sure how this can be done with ITD being stateless. Sending a user's traffic to the same server for the current and any new connections for a certain duration is very common. Is it assumed that apps should now be stateless as well?

3. How does the 'advertise enable' option advertise to neighbors (what is considered a neighbor... IGP peer, another ITD...? Is the VIP injected into IGP or is there an ITD protocol that is used between ITD enabled devices?

There's not a lot of information on this feature right now. I appreciate any input.

2 REPLIES 2
MARK BAKER
Enthusiast

Found the answer for question 3. With the advertise keyword, a static route is created that can be injected into a routing protocol. I believe it only creates the static route if the service is healthy also.

MARK BAKER
Enthusiast

Is there no information on ITD across data centers and stretched VLANs over multiple 7Ks?

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