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dhcp failover reversing over sites
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a month ago - last edited a month ago
Hello
We have multiple sites in different cities worldwide.
Each site have local customers.
IE:
site1 - city1 - country1
site2 - city2 - country1
site3 - city3 - country2
site4 - city4 - country2
Is there a way to create dhcp-failovers as follows:
primary site1 secondary site2
primary site2 secondary site1
primary site3 secondary site4
primary site4 secondary site3
What i want to achieve is to create redundancy but to keep connection distances/response times as low as possible as some of these sites are 1000:s of km apart.
Re: dhcp failover reversing over sites
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3 weeks ago
With NIOS? Not quite like that. You create the following Failover Associations
- FO-site1-site2 and then use that Failover Association for both Site 1 and Site 2.
- FO-site3-site4 and then use that Failover Association for both Site 3 and Site 4.
All DHCP Relays in site 1 and site 2 point at the DHCP servers in both Site 1 and Site 2. The servers respond based on a hash of the requesting MAC address. This provides resiliancy across sites (the higher the latency between sites, the worse the performance of DHCP in terms of LPS)