bind_interface无法正确处理ipv6

qweaszxcdf commented 3 days ago

操作系统

Linux

系统版本

Linux version 6.6.50 (ubuntu@op-build) (x86_64-openwrt-linux-musl-gcc (OpenWrt GCC 13.3.0 r27299-66559946ac) 13.3.0, GNU ld (GNU Binutils) 2.42) #0 SMP Fri Sep 13 10:20:01 2024

安装类型

sing-box 原始命令行程序

如果您使用图形客户端程序，请提供该程序版本。

No response

版本

sing-box version 1.9.4

Environment: go1.22.7 linux/amd64
Tags: with_clash_api,with_ech,with_gvisor,with_quic,with_reality_server,with_utls,with_wireguard
CGO: enabled

描述

我有telecom和unicom双线拨号接入，均开启IPv6，利用bind_interface进行绑定接口分流时sing-box不能正确处理其中一个接口的ipv6访问

重现方式

config.json

{
    "log": {
        "disabled": false,
        "level": "trace",
        "timestamp": true
    },
    "dns": {
        "servers": [
            {
                "tag": "default-dns",
                "address": "local",
                "detour": "direct-out"
            }
        ],
        "rules": [
            {
                "outbound": "any",
                "server": "default-dns"
            }
        ],
        "disable_cache": true,
        "disable_expire": false,
        "independent_cache": false,
        "final": "default-dns"
    },
    "outbounds": [
        {
            "type": "direct",
            "tag": "direct-out",
            "routing_mark": 100
        },
        {
            "type": "block",
            "tag": "block-out"
        },
        {
            "type": "dns",
            "tag": "dns-out"
        },
        {
            "type": "direct",
            "tag": "telecom",
            "routing_mark": 100,
            "tcp_fast_open": true,
            "tcp_multi_path": true,
            "udp_fragment": true,
            "bind_interface": "pppoe-wan"
        },
        {
            "type": "direct",
            "tag": "unicom",
            "routing_mark": 100,
            "tcp_fast_open": true,
            "tcp_multi_path": true,
            "udp_fragment": true,
            "bind_interface": "pppoe-unicom"
        }
    ],
    "route": {
        "rules": [
            {
                "inbound": "dns-in",
                "outbound": "dns-out"
            },
            {
                "protocol": "dns",
                "outbound": "dns-out"
            }
        ],
        "rule_set": [],
        "auto_detect_interface": false,
        "final": "unicom"
    },
    "experimental": {}
}

root@OpenWrt:~# ip -6 route
default from 2408:820c:d020 /64 via fe80::d64f:67ff:fe57:1226 dev pppoe-unicom proto static metric 512 pref medium
default from 2408:820c:d02c /60 via fe80::d64f:67ff:fe57:1226 dev pppoe-unicom proto static metric 512 pref medium
default from 240e:388:c51a /56 via fe80::ce1a:faff:fee9:66c0 dev pppoe-wan proto static metric 512 pref medium
default from 240e:38f:cf02 /64 via fe80::ce1a:faff:fee9:66c0 dev pppoe-wan proto static metric 512 pref medium
unreachable 2408:820c:d020 /64 dev lo proto static metric 2147483647 pref medium
2408:820c:d02c /64 dev br-lan proto static metric 1024 pref medium
unreachable 2408:820c:d02c /60 dev lo proto static metric 2147483647 pref medium
240e:388:c51a /64 dev br-lan proto static metric 1024 pref medium
unreachable 240e:388:c51a /56 dev lo proto static metric 2147483647 pref medium
unreachable 240e:38f:cf02 /64 dev lo proto static metric 2147483647 pref medium
fd9e:3006:b245::/64 dev br-lan proto static metric 1024 pref medium
unreachable fd9e:3006:b245::/48 dev lo proto static metric 2147483647 pref medium
fe80::2e2:697e:4a51:53 dev pppoe-wan proto kernel metric 256 pref medium
fe80::565:6c95:5312:a372 dev pppoe-unicom proto kernel metric 256 pref medium
fe80::ce1a:faff:fee9:66c0 dev pppoe-wan proto kernel metric 256 pref medium
fe80::d64f:67ff:fe57:1226 dev pppoe-unicom proto kernel metric 256 pref medium
fe80::/64 dev br-lan proto kernel metric 256 pref medium
fe80::/64 dev iptv85 proto kernel metric 256 pref medium
fe80::/64 dev eth0.2 proto kernel metric 256 pref medium
fe80::/64 dev eth1 proto kernel metric 256 pref medium

日志

root@OpenWrt:~# sing-box tools fetch ip.gs -c test.json
+0000 2024-09-16 11:34:15 INFO router: updated default interface pppoe-wan, index 20
+0000 2024-09-16 11:34:15 INFO sing-box pre-started (0.00s)
+0000 2024-09-16 11:34:15 INFO outbound/direct[unicom]: outbound connection to ip.gs:80
+0000 2024-09-16 11:34:15 DEBUG dns: lookup domain ip.gs
+0000 2024-09-16 11:34:15 DEBUG dns: match[0] outbound=any => default-dns
+0000 2024-09-16 11:34:15 DEBUG outbound/direct[direct-out]: outbound packet connection to 127.0.0.1:53
+0000 2024-09-16 11:34:15 DEBUG outbound/direct[direct-out]: outbound packet connection to 127.0.0.1:53
+0000 2024-09-16 11:34:15 DEBUG dns: lookup succeed for ip.gs: 2606:4700:3036::6815:eb0 2606:4700:3035::ac43:a01c 104.21.14.176 172.67.160.28
FATAL[0000] Get "http://ip.gs": net/http: HTTP/1.x transport connection broken: dial tcp [2606:4700:3036::6815:eb0]:80: connect: network is unreachable

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完整性要求

[X] 我保证阅读了文档，了解所有我编写的配置文件项的含义，而不是大量堆砌看似有用的选项或默认值。
[X] 我保证提供了可以在本地重现该问题的服务器、客户端配置文件与流程，而不是一个脱敏的复杂客户端配置文件。
[X] 我保证提供了可用于重现我报告的错误的最简配置，而不是依赖远程服务器、TUN、图形界面客户端或者其他闭源软件。
[X] 我保证提供了完整的配置文件与日志，而不是出于对自身智力的自信而仅提供了部分认为有用的部分。

nekohasekai commented 3 days ago

OpenWrt 并没有给本机配置 IPv6 路由，你还需要手动指定 IP 地址： https://sing-box.sagernet.org/configuration/shared/dial/#inet6_bind_address

qweaszxcdf commented 3 days ago

手动指定ip后确实可以访问了，但如果是没配置路由的话，那么指定telecom和unicom后应该都是network is unreachable，而现在telecom不指定ip也能访问。从日志上看，初始化的时候获取了pppoe-wan接口对应的ip（？），bind_interface自动获取并设置出口ip是否更合理？

nekohasekai commented 3 days ago

发送你的这条命令的结果： ip route get 2606:4700:4700::1111

qweaszxcdf commented 3 days ago

root@OpenWrt:~# ip -6 route get 2606:4700:4700::1111 RTNETLINK answers: Network unreachable

nekohasekai commented 3 days ago

你能再提供命令 ip addr 的结果吗？

qweaszxcdf commented 3 days ago

root@OpenWrt:~# ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host proto kernel_lo
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel master br-lan state UP group default qlen 1000
    link/ether bc:24:11:*** brd ff:ff:ff:ff:ff:ff
3: teql0: <NOARP> mtu 1500 qdisc noop state DOWN group default qlen 100
    link/void
4: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
    link/ether 00:e2:69:*** brd ff:ff:ff:ff:ff:ff
    inet6 fe80::2e2:***/64 scope link proto kernel_ll
       valid_lft forever preferred_lft forever
5: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq master br-lan state UP group default qlen 1000
    link/ether 00:e2:69:*** brd ff:ff:ff:ff:ff:ff
6: eth3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq master br-lan state UP group default qlen 1000
    link/ether 00:e2:69:*** brd ff:ff:ff:ff:ff:ff
9: br-lan: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether bc:24:11:*** brd ff:ff:ff:ff:ff:ff
    inet 10.0.0.1/24 brd 10.0.0.255 scope global br-lan
       valid_lft forever preferred_lft forever
    inet6 240e:388:c501:***/60 scope global dynamic noprefixroute
       valid_lft 2972sec preferred_lft 2972sec
    inet6 2408:820c:d02c:***/60 scope global dynamic noprefixroute
       valid_lft 256770sec preferred_lft 170370sec
    inet6 240e:388:c508:***/60 scope global deprecated dynamic
       valid_lft 608sec preferred_lft 0sec
    inet6 2408:820c:d02c:***/60 scope global deprecated dynamic
       valid_lft 4762sec preferred_lft 0sec
    inet6 2408:820c:d02c:***/60 scope global deprecated dynamic
       valid_lft 3975sec preferred_lft 0sec
    inet6 fd9e:3006:b245::1/60 scope global noprefixroute
       valid_lft forever preferred_lft forever
    inet6 fe80::be24:11ff:***/64 scope link proto kernel_ll
       valid_lft forever preferred_lft forever
12: iptv85: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether 00:e2:69:*** brd ff:ff:ff:ff:ff:ff
    inet 23.246.87.229/17 brd 23.246.127.255 scope global iptv85
       valid_lft forever preferred_lft forever
    inet6 fe80::2e2:69ff:***/64 scope link proto kernel_ll
       valid_lft forever preferred_lft forever
15: eth0.85@eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master iptv85 state UP group default qlen 1000
    link/ether bc:24:11:*** brd ff:ff:ff:ff:ff:ff
17: wg: <POINTOPOINT,NOARP,UP,LOWER_UP> mtu 1420 qdisc noqueue state UNKNOWN group default qlen 1000
    link/none
    inet 10.0.1.1/24 brd 10.0.1.255 scope global wg
       valid_lft forever preferred_lft forever
25: eth1.85@eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master iptv85 state UP group default qlen 1000
    link/ether 00:e2:69:*** brd ff:ff:ff:ff:ff:ff
26: eth0.2@eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether bc:24:11:*** brd ff:ff:ff:ff:ff:ff
    inet6 fe80::be24:11ff:***/64 scope link proto kernel_ll
       valid_lft forever preferred_lft forever
27: pppoe-unicom: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1492 qdisc fq_codel state UNKNOWN group default qlen 3
    link/ppp
    inet 139.22*** peer 139.22***/32 scope global pppoe-unicom
       valid_lft forever preferred_lft forever
    inet6 2408:820c:d020:***/64 scope global dynamic noprefixroute
       valid_lft 258259sec preferred_lft 171859sec
    inet6 fe80::55e6:60ed:8934:d269 peer fe80::d64f:***/128 scope link
       valid_lft forever preferred_lft forever
28: pppoe-wan: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1492 qdisc fq_codel state UNKNOWN group default qlen 3
    link/ppp
    inet 218.83*** peer 218.83***/32 scope global pppoe-wan
       valid_lft forever preferred_lft forever
    inet6 240e:38f:cf***/64 scope global dynamic noprefixroute
       valid_lft 2591972sec preferred_lft 604772sec
    inet6 fe80::2e2:691*** peer fe80::ce1a:faff:***/128 scope link
       valid_lft forever preferred_lft forever

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