[OpenWrt-Devel] 6in4 does not recover after wan outage

[Richard Mortimer]

On 22/08/2014 15:06, Steven Barth wrote:
> Hi Richard,
>
> could you please post the output of:
> ifstatus wan
> and
> ifstatus wan6
>
> when said situation occurs?
>
Sure. during, after and before situation included below. I anonymised 
the IP addresses a little but tried to mark common prefixes just in case 
it matters to you.

Best Regards

Richard



During ADSL outage.

root at prison:/etc/config# ifstatus wan
{
         "up": false,
         "pending": false,
         "available": true,
         "autostart": false,
         "proto": "pppoa",
         "data": {

         }
}
root at prison:/etc/config# ifstatus wan6
{
         "up": false,
         "pending": true,
         "available": true,
         "autostart": true,
         "proto": "6in4",
         "data": {

         },
         "errors": [
                 {
                         "subsystem": "6in4",
                         "code": "NO_WAN_LINK"
                 }
         ]
}


After ADSL recovers


root at prison:/etc/config# ifstatus wan
{
         "up": true,
         "pending": false,
         "available": true,
         "autostart": true,
         "uptime": 110,
         "l3_device": "pppoa-wan",
         "proto": "pppoa",
         "updated": [
                 "addresses",
                 "routes"
         ],
         "metric": 0,
         "delegation": true,
         "ipv4-address": [
                 {
                         "address": "x.x.x.x",
                         "mask": 32
                 }
         ],
         "ipv6-address": [

         ],
         "ipv6-prefix": [

         ],
         "ipv6-prefix-assignment": [

         ],
         "route": [
                 {
                         "target": "0.0.0.0",
                         "mask": 0,
                         "nexthop": "y.y.y.y",
                         "source": "0.0.0.0\/0"
                 }
         ],
         "dns-server": [
                 "z.z.z.1",
                 "z.z.z.2",
                 "xxxx:x:x:x::e"
         ],
         "dns-search": [

         ],
         "inactive": {
                 "ipv4-address": [

                 ],
                 "ipv6-address": [

                 ],
                 "route": [

                 ],
                 "dns-server": [
                         "62.24.134.1",
                         "62.24.243.2"
                 ],
                 "dns-search": [

                 ]
         },
         "data": {

         }
}
root at prison:/etc/config# ifstatus wan6
{
         "up": false,
         "pending": true,
         "available": true,
         "autostart": true,
         "proto": "6in4",
         "data": {

         },
         "errors": [
                 {
                         "subsystem": "6in4",
                         "code": "NO_WAN_LINK"
                 }
         ]
}


Just in case you need it. Here's the output before the outage.

root at prison:/etc/config# ifstatus wan
{
         "up": true,
         "pending": false,
         "available": true,
         "autostart": true,
         "uptime": 5561,
         "l3_device": "pppoa-wan",
         "proto": "pppoa",
         "updated": [
                 "addresses",
                 "routes"
         ],
         "metric": 0,
         "delegation": true,
         "ipv4-address": [
                 {
                         "address": "x.x.x.x",
                         "mask": 32
                 }
         ],
         "ipv6-address": [

         ],
         "ipv6-prefix": [

         ],
         "ipv6-prefix-assignment": [

         ],
         "route": [
                 {
                         "target": "0.0.0.0",
                         "mask": 0,
                         "nexthop": "y.y.y.y",
                         "source": "0.0.0.0\/0"
                 }
         ],
         "dns-server": [
                 "z.z.z.1",
                 "z.z.z.2",
                 "x:x:x:x::e"
         ],
         "dns-search": [

         ],
         "inactive": {
                 "ipv4-address": [

                 ],
                 "ipv6-address": [

                 ],
                 "route": [

                 ],
                 "dns-server": [
                         "62.24.134.1",
                         "62.24.243.2"
                 ],
                 "dns-search": [

                 ]
         },
         "data": {

         }
}
root at prison:/etc/config# ifstatus wan6
{
         "up": true,
         "pending": false,
         "available": true,
         "autostart": true,
         "uptime": 5589,
         "l3_device": "6in4-wan6",
         "proto": "6in4",
         "updated": [
                 "addresses",
                 "routes",
                 "prefixes"
         ],
         "metric": 0,
         "delegation": true,
         "ipv4-address": [

         ],
         "ipv6-address": [
                 {
                         "address": "x:x:x:x::2",
                         "mask": 128
                 }
         ],
         "ipv6-prefix": [
                 {
                         "address": "x:x:x::",
                         "mask": 48,
                         "class": "wan6",
                         "assigned": {
                                 "lan": {
                                         "address": "x:x:x:x:1::",
                                         "mask": 64
                                 },
                                 "wifi": {
                                         "address": "x:x:x:x:2::",
                                         "mask": 64
                                 },
                                 "guest": {
                                         "address": "x:x:x:x:6::",
                                         "mask": 64
                                 },
                                 "dmz": {
                                         "address": "x:x:x:x:ff::",
                                         "mask": 64
                                 }
                         }
                 }
         ],
         "ipv6-prefix-assignment": [

         ],
         "route": [
                 {
                         "target": "::",
                         "mask": 0,
                         "nexthop": "::",
                         "source": "x:x:x:x::\/48"
                 },
                 {
                         "target": "::",
                         "mask": 0,
                         "nexthop": "::",
                         "source": "::\/128"
                 },
                 {
                         "target": "::",
                         "mask": 0,
                         "nexthop": "::",
                         "source": "x:x:y:z::2\/128"
                 }
         ],
         "dns-server": [

         ],
         "dns-search": [

         ],
         "inactive": {
                 "ipv4-address": [

                 ],
                 "ipv6-address": [

                 ],
                 "route": [

                 ],
                 "dns-server": [

                 ],
                 "dns-search": [

                 ]
         },
         "data": {

         }
}
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