
ipv6 dhcp pool v6
network 2404:F040:8400::/64
domain-name ***.***
gateway-list 2404:F040:8400::1
#
interface GigabitEthernet1/0/3
port link-mode route
description lan2
combo enable copper
ip address 172.21.89.1 255.255.255.0
dhcp server apply ip-pool beiran2
ipv6 dhcp select server
ipv6 dhcp server apply pool v6
ipv6 address 2404:F040:8400::1/64
ipv6 nd autoconfig managed-address-flag
ipv6 nd autoconfig other-flag
undo ipv6 nd ra halt
#
security-policy ipv6
rule 0 name dhcpv6
action pass
source-zone Trust
destination-zone local
#
PC获取不到V6的IP
[H3C]display ipv6 dhcp server ip-in-use
[H3C]
这是我配置的问题,还是模拟器的事
模拟器支持IPV6
调整到内存512M以上就行 ,检查下配置吧,

组网说明:
本案例采用H3C HCL模拟器来模拟IPV6 DHCPv6典型组网配置。要求PC能够通过DHCP的方式获取到IPV6地址。
配置思路:
1、按照网络拓扑图正确配置IP地址
2、R1开启DHCP功能,并配置DHCPv6
R1:
<H3C>sys
System View: return to User View with Ctrl+Z.
[H3C]sysname R1
[R1]int gi 0/0
[R1-GigabitEthernet0/0]ipv6 address 1::1 64
[R1-GigabitEthernet0/0]undo ipv6 nd ra halt
[R1-GigabitEthernet0/0]ipv6 nd autoconfig managed-address-flag
[R1-GigabitEthernet0/0]ipv6 nd autoconfig other-flag
[R1-GigabitEthernet0/0]quit
[R1]ipv6 dhcp prefix-pool 1 prefix 1::/64 assign-len 64
[R1]ipv6 dhcp pool 1
[R1-dhcp6-pool-1]network 1::/64
[R1-dhcp6-pool-1]gateway-list 1::1
[R1-dhcp6-pool-1]prefix-pool 1 preferred-lifetime 86400 valid-lifetime 259200
[R1-dhcp6-pool-1]dns-server 2::1
[R1-dhcp6-pool-1]quit
[R1]int gi 0/0
[R1-GigabitEthernet0/0]ipv6 dhcp select server
[R1-GigabitEthernet0/0]ipv6 dhcp server allow-hint preference 255 rapid-commit
[R1-GigabitEthernet0/0]quit
查看R1的IPV6显示信息:



PC已通过DHCP获取到IPV6地址:


dns-server配置,部分场景下可能影响分配流程。在 DHCPv6 池中添加公网 DNS(如谷歌 IPv6 DNS):ipv6 dhcp pool v6
network 2404:F040:8400::/64
gateway-list 2404:F040:8400::1
dns-server 2001:4860:4860::8888 # 补充DNS服务器
domain-name ***.***
interface GigabitEthernet1/0/3
ipv6 nd ra interval 3 # RA每3秒发送一次
VPCS_2)中执行命令,确认是否收到 RA 消息:ipv6 nd
ipv6 nd配置:interface GigabitEthernet1/0/3
undo ipv6 nd ra halt # 确保未禁用RA
ipv6 nd autoconfig managed-address-flag # 标记需要DHCPv6分配地址
ipv6 nd autoconfig other-flag # 标记需要DHCPv6分配其他配置(如DNS)
display ipv6 dhcp server status
ipv6 dhcp server enable
FF02::1:2(客户端请求)和FF02::1:3(服务器响应),需确保安全策略完全放行这些流量:security-policy ipv6
rule 1 name dhcpv6-multicast
action pass
source-zone Trust
destination-zone local
destination-address ipv6 FF02::1:2 # 客户端组播地址
service dhcpv6 # 或手动指定UDP 546(客户端)和547(服务器)
rule 2 name dhcpv6-unicast
action pass
source-zone Trust
destination-zone local
service dhcpv6
2404:F040:8400::1),若能通则说明基础链路正常,仅 DHCPv6 服务存在模拟器兼容问题。暂无评论
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