Hullo
I keep losing my openwrt router’s IPv4 configuration when my ISP bounces the
link to my home.
I’m using commit 659257b37 (Oct 9 2016, although it includes a commit from Dec
14 2016)
My ISP link is over ADSL. I have a dsl modem attached to the phone line and a
WRT1200 attached to that, which connects with pppoe. I’m trying to run homenet,
so I’d like to have the WAN interface controlled by homenet (hence, I’m
avoiding interfaces called ‘wan’ or ‘lan’ to avoid them being treated as
’special'). Based on advice that I cannot immediately put my finger on, I’m
using these stanzas to set up the WAN links:
config interface 'e0'
option ifname 'eth0'
option proto 'pppoe'
option username ‘<login username>'
option password ‘<login password>'
config interface 'e0ext'
option ifname 'pppoe-e0'
option proto 'hnet'
option mode 'external'
option _orig_ifname 'pppoe-e0’ # I think that this line is redundant.
The idea is that e0ext is ‘stacked’ on pppoe-e0 (the interface name from e0).
The configuration works most of the time. Until the link bounces. What seems to
happen is that pppoe is torn down when the link is reset, and then rebuilt
correctly. However, the interface e0ext does not seem to receive any
notification of the link coming back up (I’m assuming that’s how things are
supposed to work). Hnet is designed to keep the ipv6 links up in the event of
loss of internet, so I’m assuming that this doesn’t require notification of
link restoration.
I’m guessing that the events on the links/interfaces should be propagated
through ubus (?)
If I use ubus to take down e0, e0ext is disabled, but on sending up to e0,
stays down. An explicit up to e0ext creates this error (from ubus call
network.interface.e0ext status):
root@OpenWrt:~# ubus call network.interface.e0ext status
{
"up": false,
"pending": false,
"available": false,
"autostart": true,
"dynamic": false,
"proto": "hnet",
"data": {
},
"errors": [
{
"subsystem": "interface",
"code": "NO_DEVICE"
}
]
}
Am I missing something from the configuration, have I stumbled upon a bug, or
do I have to live with rebooting the router ~once per week? (and am I posting
to the right group?)
cheers
Tim
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