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dhcp6c: set preferred and valid address lifetimes

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also workaround a bug in rebinding/updates where we get an error
from "ip addr add" trying to add an address that's already present
This commit is contained in:
Daniel Barlow 2024-02-13 12:57:41 +00:00
parent 8ac848b1e6
commit 16e4b05653
3 changed files with 21 additions and 3 deletions
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7
modules/dhcp6c/acquire-wan-address.fnl
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@ -17,9 +17,14 @@
(fn update-addresses [wan-device addresses new-addresses]
(let [(added deleted) (changes addresses new-addresses)]
;; see comment in acquire-delegated-prefix.fnl
(each [_ p (ipairs added)]
(system
(.. "ip address add " p.address "/" p.len " dev " wan-device)))
(.. "ip address change " p.address "/" p.len
" dev " wan-device
" valid_lft " p.valid
" preferred_lft " p.preferred
)))
(each [_ p (ipairs deleted)]
(system
(.. "ip address del " p.address "/" p.len " dev " wan-device)))