Mailinglist Archive: opensuse (769 mails)

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Re: [opensuse] DHCPv6-PD request
On 05/15/2016 12:25 AM, Andrei Borzenkov wrote:
15.05.2016 00:44, James Knott пишет:
On 05/14/2016 01:10 AM, Andrei Borzenkov wrote:
It does not show anything related to PD. At this point I would be
curious to see actual packet capture on client from the very beginning.
Here's what's captured immediately after starting dhcpcd:

There is no trace of prefix delegation request in output you posted.

I recreated dhcpcd.conf from scratch, as shown:

# cat /etc/dhcpcd.conf
duid # DHCP Unique Identifier
noipv6rs # No IPv6 router solicitation
waitip 6 #Wait for IPv6 address
# Uncomment this line if you are running dhcpcd for IPv6 only.
ipv6only #Run dhcpcd for IPv6 only

# use the interface connected to WAN
interface eth0 # WAN
ipv6rs # IPv6 router solicitation for WAN interface
iaid 1 # Set the Interface Association Identifier for WAN
ia_na 1 # Request an IPv6 address for WAN interface
ia_pd 2 eth1/0 # Request prefix for LAN

Sometimes it works and sometimes it doesn't. When it works, I get
<prefix>::1 on the LAN port, as it should for a gateway. However, when
it fails, I get the following:

# dhcpcd --debug
dhcpcd-6.10.1 starting
eth0: executing `/usr/lib/dhcpcd-run-hooks' PREINIT
eth0: executing `/usr/lib/dhcpcd-run-hooks' CARRIER
eth1: executing `/usr/lib/dhcpcd-run-hooks' PREINIT
eth1: executing `/usr/lib/dhcpcd-run-hooks' CARRIER
DUID 00:01:00:01:1e:c2:1b:8a:00:14:d1:2b:ed:ea
eth0: IAID d1:2b:ed:ea
eth1: IAID 17:a7:f2:d3
timed out
forking to background
forked to background, child pid 2204

When this happens, Wireshark doesn't show any DHCPv6 activity, so it's
not even trying to get an address.

Very frustrating!

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