Hello
we have an RIPE IP-range
Currently we have ISP-A as Sponsoring-LIR and plan to switch to ISP-B
ISP-A uses part of our range as transit network
With ISP-B I would like to use an external transit network
E.g. (all "fictional" IPs):
Our range might be 7.7.7.0/8
ISP-A uses 7.7.7.0/30 as transit
-> resulting in an ETHx interface with e.g. IP in the 7.7.7.1/8 and gateway 7.7.7.2 All other IPs of the 7.7.7.0/8 as additional addresses on the UTM
ISP-B should use 80.222.111.29/29 as transit to announce your range.
Is it possible to migrate here without interrupt / small window?
How would I map that?
Like this:
- Interface ETHx keeps the IPs
- Interface ETHy gets ISP-B
- ISP-B gets an IP in the transit network towards us as next hop
- ETHy gets a default-gw assigned
- ETHx gets its default-gw removed
Thanks for any help
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