Edgerouter解決PPPoE重新連線後, IPv6無法使用的問題

gistfile1.txt

(本操作需要有基本使用vi的能力)
1. ssh登入Edgerouter後, sudo vi /etc/ppp/ip-down.d/remove_invalidv6.sh 貼上下列內容
#!/bin/sh

/sbin/ifconfig switch0 | grep -ivE 'fe80' | grep 'inet6' | awk '{print $3}' | while read -r ipv6addr ; do
    echo "Removing $ipv6addr from switch0" >> /tmp/ipv6_remove.log
    /sbin/ip -6 addr del $ipv6addr dev switch0
done
/etc/init.d/radvd restart

2. 存擋離開後, 輸入: sudo chmod +x /etc/ppp/ip-down.d/remove_invalidv6.sh

3. 修改此檔, sudo vi /opt/vyatta/sbin/vyatta_gen_radvd.pl , 在243行會看到下列程式碼:
    # Write parameters out to config file
    print $FD_WR "    prefix $prefix {\n";
    foreach my $key (keys %prefix_param_hash) {
        print $FD_WR "        $key $prefix_param_hash{$key};\n";
    }
    print $FD_WR "    };\n";
    
在倒數第二行, 新增一行code如下:
    # Write parameters out to config file
    print $FD_WR "    prefix $prefix {\n";
    foreach my $key (keys %prefix_param_hash) {
        print $FD_WR "        $key $prefix_param_hash{$key};\n";
    }
    print $FD_WR "        DeprecatePrefix on;\n";  # 新增這一行!!
    print $FD_WR "    };\n";

4. 存擋離開後, 輸入reboot重開機即可.