dhcpcd-discuss

Hi Shweta

On 09/05/2019 17:45, Shweta Kalyani wrote:
> Hi Roy,
>
> I have a dhcpv6 client running which has got an IPv6 address from the 
> server.

What dhcpcd version is this please?

> On rebooting, dhcpcd is trying to rebind to the previously allocated 
> address.
> In pcap, I see the rebind6 request with rebind6 response coming in 
> within the same second.
> Dhcpcd however seems to be timing out on the rebind request ~ approx 25 secs
> Please see the following log:
> May 09 15:57:10 [27685]: eth0: executing `/libexec/dhcpcd-run-hooks' PREINIT
> May 09 15:57:10 [27685]: script_runreason: /libexec/dhcpcd-run-hooks: 
> WEXITSTATUS 127
> May 09 15:57:10 [27685]: eth0: carrier acquired
> May 09 15:57:10 [27685]: eth0: executing `/etc/conf/bin/dhcpcd-up' CARRIER
> May 09 15:57:10 [27685]: eth0: IAID 68:16:d5:73
> May 09 15:57:10 [27685]: eth1: delaying IPv4 for 0.3 seconds
> May 09 15:57:11 [27685]: eth1: using ClientID 01:54:39:68:16:d5:74
> May 09 15:57:11 [27685]: eth1: soliciting a DHCP lease
> May 09 15:57:11 [27685]: eth1: sending DISCOVER (xid 0x8266886d), next 
> in 4.3 seconds
> May 09 15:57:11 [27685]: eth1: soliciting an IPv6 router
> May 09 15:57:11 [27685]: eth1: sending Router Solicitation
> May 09 15:57:11 [27685]: eth1: broadcasting REBIND6 (xid 0x1ae134), next 
> in 1.0 seconds
> May 09 15:57:12 [27685]: eth1: broadcasting REBIND6 (xid 0x1ae134), next 
> in 2.1 seconds
> May 09 15:57:14 [27685]: eth1: Router Advertisement from 
> fe80::f899:b5ad:6686:f69e
> May 09 15:57:14 [27685]: eth1: adding route to 2001:4201:0:50::/64
> May 09 15:57:14 [27685]: eth1: executing `/etc/conf/bin/dhcpcd-up' 
> ROUTERADVERT
> May 09 15:57:34 [27685]: eth1: broadcasting REBIND6 (xid 0x1ae134), next 
> in 4.2 seconds
> May 09 15:57:34 [27685]: eth1: sending DISCOVER (xid 0x8266886d), next 
> in 7.4 seconds
> *May 09 15:57:34 [27685]: eth1: failed to rebind prior delegation*
> May 09 15:57:34 [27685]: eth1: adding address 2001:4201:0:50::104/128
> May 09 15:57:34 [27685]: eth1: pltime 601393 seconds, vltime 2588593 seconds
> May 09 15:57:34 [27685]: eth1: renew in 1276, rebind in 4876, expire in 
> 2588593 seconds
> May 09 15:57:34 [27685]: lo: adding reject route to 2001:4201:0:51:3000::/68
> May 09 15:57:34 [27685]: eth1: delegated prefix 2001:4201:0:51:3000::/68
> May 09 15:57:34 [27685]: eth0: adding address 2001:4201:0:51:30d0::1/76
> May 09 15:57:34 [27685]: eth0: pltime 601393 seconds, vltime 2588593 seconds
> May 09 15:57:34 [27685]: eth0: waiting for DHCPv6 DAD to complete
> May 09 15:57:34 [27685]: eth0: adding route to 2001:4201:0:51:30d0::/76
> May 09 15:57:34 [27685]: eth1: waiting for DHCPv6 DAD to complete
> *May 09 15:57:34 [27685]: eth1: DHCPv6 reply received but already bound*
>
> Due to the above, I am not able to get the REBIND6 event in the hook script.
> Could you please let me know what could be going wrong.

The full log from dhcpcd starting would be nice.
Specifically I am interested in any errors listening to sockets.
Also, are any other DHCP daemons running?

Roy