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Opened 3 years ago

Last modified 3 years ago

#18402 assigned defect

odhcpd IPv6 Prefix Delegation issue

Reported by: anonymous Owned by: cyrus
Priority: high Milestone: Barrier Breaker 14.07
Component: base system Version: Barrier Breaker 14.07
Keywords: odhcpd Cc:

Description

odhcpd doesn't provide an IPv6 PD if there's an alias interface with a static /64 IPv6 address. Example:

LAN:

public /56 provided via WAN DHCPv6
assignment-length 62

LAN_2 (br-lan):

fixed ULA /64 IPv6 address

In that case an IA-PD request from a DHCPv6 client (ISC dhcp client) is answered with "IA_PD status code NoPrefixAvail".

When LAN_2 is changed to:

fixed ULA /62 IPv6 address

odhcpd provides a prefix for both networks.

It seems that odhcpd returns the no-prefix error if it can't provide prefixes for all networks or if it can't assign a prefix for a single network out of multiple ones. It should return the error only if it can't assign any prefix at all.

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Change History (1)

comment:1 Changed 3 years ago by cyrus

  • Owner changed from developers to cyrus
  • Status changed from new to assigned

Acknowledged. I'll put it on my todo.

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