甲骨文IPV6 重装Debian10后不能获取 问题解决方法

sysctl_ipv6() {
    sed -i '/net.ipv6.conf.all.disable_ipv6/d' /etc/sysctl.conf
    sed -i '/net.ipv6.conf.default.disable_ipv6/d' /etc/sysctl.conf
    sed -i '/net.ipv6.conf.lo.disable_ipv6/d' /etc/sysctl.conf

    echo "net.ipv6.conf.all.disable_ipv6 = 0" >> /etc/sysctl.conf
    echo "net.ipv6.conf.default.disable_ipv6 = 0" >> /etc/sysctl.conf
    echo "net.ipv6.conf.lo.disable_ipv6 = 0" >> /etc/sysctl.conf

    sysctl -p
}
sysctl_ipv6

dhclient -6 ens3

sysctl_config() {
    sed -i '/net.core.default_qdisc/d' /etc/sysctl.conf
    sed -i '/net.ipv4.tcp_congestion_control/d' /etc/sysctl.conf
    echo "net.core.default_qdisc = fq" >> /etc/sysctl.conf
    echo "net.ipv4.tcp_congestion_control = bbr" >> /etc/sysctl.conf
    sysctl -p >/dev/null 2>&1
}

# 开启 BBR
sysctl_config
lsmod | grep bbr