Ubuntu搭建ipv6 dhcp 伺服器

Star*S發表於2024-10-12
Ubuntu伺服器

Ubuntu 搭建 DHCP ivp6 server 步驟

1、安裝 DHCP server

sudo apt-get install isc-dhcp-server


2、修改配置檔案 /etc/dhcp/dhcpd6.conf

default-lease-time 2592000;
preferred-lifetime 604800;
option dhcp-renewal-time 3600;
option dhcp-rebinding-time 7200;

# Enable RFC 5007 support (same than for DHCPv4)
allow leasequery;

# Global definitions for name server address(es) and domain search list
#
# 
option dhcp6.name-servers 3ffe:501:ffff:100:200:ff:fe00:3f3e;
option dhcp6.domain-search "test.example.com","example.com";

option dhcp6.info-refresh-time 21600;


# The subnet where the server is attached
subnet6 2022:: /64 {
        # Range for clients
        range6 2022::db8:0:1:129 2022::db8:0:1:139;

        # Range for clients requesting a temporary address
        range6 2022:: /64 temporary;

        # Additional options
        option dhcp6.name-servers fec0:0:0:1::1;
        option dhcp6.domain-search "domain.example";
        # Prefix range for delegation to sub-routers
        #prefix6 2022::db8:0:1:100 2022::db8:0:1:f00 /56;

        # Example for a fixed host address
        host specialclient {
                host-identifier option dhcp6.client-id 00:01:00:01:4a:1f:ba:e3:60:b9:1f:01:23:45;
                fixed-address6 2022::db8:0:1:127;
        }
}

3、新建資料檔案

touch /var/lib/dhcp/dhcpd6.leases
chmod 777 /var/lib/dhcp/dhcpd6.leases #賦予許可權

4、修改網路卡介面為server網口，配置靜態地址（使用vim工具，vim /etc/netplan/01-network-manager-all.yaml，並執行netplan apply）

5、啟動dhcp server服務

例如我現在網路卡名為enp2s0，則命令為： /usr/sbin/dhcpd -6 -d -cf /etc/dhcp/dhcpd6.conf enp2s0

6、安裝 radvd（實現區域網路由功能)

sudo apt-get install radvd

7、新建配置檔案，注意檔案許可權不能為777，可以使用755

touch /etc/radvd.conf
chmod 755 /etc/radvd.conf

修改配置檔案內容　　vim /etc/radvd.conf 

#log-level 8
#log-mode full
#stateless
interface enp2s0 {
        AdvSendAdvert on;
        AdvOtherConfigFlag on;
        AdvManagedFlag on;
        MinRtrAdvInterval 10;
        MaxRtrAdvInterval 15;
        AdvDefaultPreference medium;
        AdvDefaultLifetime 45;
        prefix 2022:: /64 {  
                AdvOnLink on;
                AdvAutonomous off;  
                AdvRouterAddr on;
                AdvPreferredLifetime 3600;
                AdvValidLifetime 7200;  
        };
        route 2022:: /64 {
        };
};

8、啟動 radvd 路由服務，主要其中配置資訊要和網路卡設定靜態 IP 對應

9、測試執行

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