IPv6 not working for WRT1900ACSv2 (r33492)

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swg0101
DD-WRT Novice


Joined: 16 Oct 2017
Posts: 2
PostPosted: Mon Oct 16, 2017 8:00    Post subject: IPv6 not working for WRT1900ACSv2 (r33492) Reply with quote
Hey guys.

I was trying to enable IPv6 with my Comcast connection on my WRT1900ACSv2 using the default configuration but it seems like that dhcp6c is having some issues and will not pull down a PD. Looking at this further, it appears that the config file is missing entirely. I tried doing dhcp6c custom with a custom config but the file still does not appear to be created. Is this a known bug?

Code:
root@routing:~# ls -la /etc/dhcp6c.conf
lrwxrwxrwx    1 root     root            16 Oct  9  2017 /etc/dhcp6c.conf -> /tmp/dhcp6c.conf
root@routing:~# cat /tmp/dhcp6c.conf
cat: can't open '/tmp/dhcp6c.conf': No such file or directory

root@routing:~# ps | grep dhcp
 1348 root      1636 S    dnsmasq -u root -g root --conf-file=/tmp/dnsmasq.conf --cache-size=1500 --dhcp-option=252," "
 1768 root      1048 S    udhcpc -i eth0 -p /var/run/udhcpc.pid -s /tmp/udhcpc -O routes -O msstaticroutes -O staticroutes -H ro
 1865 root      1048 S    grep dhcp



Thanks much!
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gainestr
DD-WRT User


Joined: 06 Jul 2017
Posts: 78
PostPosted: Tue Oct 17, 2017 6:17    Post subject: Re: IPv6 not working for WRT1900ACSv2 (r33492) Reply with quote
swg0101 wrote:
Hey guys.

I was trying to enable IPv6 with my Comcast connection on my WRT1900ACSv2 using the default configuration but it seems like that dhcp6c is having some issues and will not pull down a PD. Looking at this further, it appears that the config file is missing entirely. I tried doing dhcp6c custom with a custom config but the file still does not appear to be created. Is this a known bug?

Code:
root@routing:~# ls -la /etc/dhcp6c.conf
lrwxrwxrwx    1 root     root            16 Oct  9  2017 /etc/dhcp6c.conf -> /tmp/dhcp6c.conf
root@routing:~# cat /tmp/dhcp6c.conf
cat: can't open '/tmp/dhcp6c.conf': No such file or directory

root@routing:~# ps | grep dhcp
 1348 root      1636 S    dnsmasq -u root -g root --conf-file=/tmp/dnsmasq.conf --cache-size=1500 --dhcp-option=252," "
 1768 root      1048 S    udhcpc -i eth0 -p /var/run/udhcpc.pid -s /tmp/udhcpc -O routes -O msstaticroutes -O staticroutes -H ro
 1865 root      1048 S    grep dhcp


Thanks much!


Works fine for me with the GUI interface.
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CPU Model: Marvell Armada 385
Router: Linksys WRT1900ACSv2
Firmware: DD-WRT v3.0-r39144 std (03/11/19)
Kernel: Linux 4.9.162 #871 SMP Mon Mar 11 03:05:23 CET 2019 armv7l
WiFi Driver: 10.3.8.0-20181120 (strings /lib/modules/*.*/mwlwifi.ko | grep "^10.3")
Options: AP, OpenVPN Server, OpenVPN Client, IPv6, UPnP, QoS(Disabled), SFE (Disabled)

Others:
Linksys SE4008 WRT 8-Port Gigabit Ethernet Switch (LAN Switch)
QNAP TS-253A-8G NAS (2-bay, WD Red 4TB each)

Last edited by gainestr on Tue Oct 17, 2017 13:03; edited 1 time in total
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swg0101
DD-WRT Novice


Joined: 16 Oct 2017
Posts: 2
PostPosted: Tue Oct 17, 2017 6:23    Post subject: Reply with quote
Duh ~ I had it on Native IPv6 from ISP - I thought that actually meant DHCPv6 and the second option meaning static. I guess I didn't read it right...

Thanks!
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