总部和分部各有一台防火墙部署在互联网出口,因业务需要两端内网业务需要通过GRE VPN相互访问。IP地址及接口规划如下表所示:
公司名称 |
外网接口 |
公网地址/掩码 |
公网网关 |
内网接口 |
内网地址/掩码 |
总部 |
1/0/3 |
101.88.26.34/30 |
101.88.26.33 |
1/0/4 |
192.168.10.0/24 |
分部 |
1/0/3 |
198.76.26.90/30 |
198.76.26.89 |
1/0/4 |
192.168.20.0/24 |
#输入命令“system-view”进入系统视图后为1/0/3接口配置101.88.26.34/30的地址,并配置nat地址转换。
[H3C]interface GigabitEthernet 1/0/3
[H3C-GigabitEthernet1/0/3]ip address 101.88.26.34 255.255.255.252
[H3C-GigabitEthernet1/0/3]nat outbound
[H3C-GigabitEthernet1/0/3]quit
#在1/0/4接口配置连接内网地址192.168.10.1/24。
[H3C]interface GigabitEthernet 1/0/4
[H3C-GigabitEthernet1/0/4]ip address 192.168.10.1 255.255.255.0
[H3C-GigabitEthernet1/0/4]quit
#配置默认路由目的地址及掩码为0.0.0.0、下一跳(网关)地址为101.88.26.33。
[H3C]ip route-static 0.0.0.0 0 101.88.26.33
#新建Tunnel 0隧道接口,并配置IP地址为1.1.1.1/24,指定Tunnel 0接口源地址与目的地址分别对应总部分支侧的公网地址。
[H3C]interface Tunnel 0 mode gre
[H3C-Tunnel0]ip address 1.1.1.1 255.255.255.0
[H3C-Tunnel0]source 101.88.26.34
[H3C-Tunnel0]destination 198.76.26.90
[H3C-Tunnel0]quit
#新建一条目的地址为192.168.20.0/24,下一跳(网关)地址为tunnel0接口的路由,用于匹配去往192.168.20.0/24网段的路由客户通过隧道转发。
[H3C]ip route-static 192.168.20.0 24 Tunnel 0
#外网接口加untrust区域、内网接口、tunnel接口加入trust区域。
[H3C]security-zone name Untrust
[H3C-security-zone-Untrust]import interface GigabitEthernet 1/0/3
[H3C-security-zone-Untrust]quit
[H3C]security-zone name Trust
[H3C-security-zone-Trust]import interface GigabitEthernet 1/0/4
[H3C-security-zone-Trust]import interface Tunnel 0
[H3C-security-zone-Trust]quit
[H3C]security-policy ip
[H3C-security-policy-ip]rule 5 name trust-untrust、local
[H3C-security-policy-ip-5-trust-untrust、local]action pass
[H3C-security-policy-ip-5-trust-untrust、local]source-zone trust [H3C-security-policy-ip-5-trust-untrust、local]destination-zone untrust
[H3C-security-policy-ip-5-trust-untrust、local]destination-zone local
[H3C-security-policy-ip-5-trust-untrust、local]quit
[H3C-security-policy-ip]quit
#新建IPV4地址对象组分部网段与总部网段分别对应192.168.20.0/24与192.168.10.0/24网段。
[H3C]object-group ip address 分部网段
[H3C-obj-grp-ip-分部网段]0 network subnet 192.168.20.0 255.255.255.0
[H3C-obj-grp-ip-分部网段]quit
[H3C]object-group ip address 总部网段
[H3C-obj-grp-ip-总部网段]0 network subnet 192.168.10.0 255.255.255.0
[H3C-obj-grp-ip-总部网段]quit
#新建IPV4地址对象组
[H3C]security-policy ip
[H3C-security-policy-ip]rule 10 name untrust-trust
[H3C-security-policy-ip-10-untrust-trust]action pass
[H3C-security-policy-ip-10-untrust-trust]source-zone untrust
[H3C-security-policy-ip-10-untrust-trust]destination-zone trust
[H3C-security-policy-ip-10-untrust-trust]source-ip分部网段
[H3C-security-policy-ip-10-untrust-trust]destination-ip总部网段
[H3C-security-policy-ip-10-untrust-trust]quit
[H3C-security-policy-ip]quit
#放通同安全域间的安全策略
[H3C]security-zone intra-zone default permit
分部防火墙与总部侧防火墙配置方法一致。
#使用总部侧PC机PING测试分部侧PC机测试:
可以看到在总部侧访问分部数据可达,并且通过“display interface Tunnel 0”可以看到收发包数量。
Tunnel0
Current state: UP
Line protocol state: UP
Description: Tunnel0 Interface
Bandwidth: 64 kbps
Maximum transmission unit: 1476
Internet address: 1.1.1.1/24 (primary)
Tunnel source 101.88.26.34, destination 198.76.26.90
Tunnel keepalive disabled
Tunnel TTL 255
Tunnel protocol/transport GRE/IP
GRE key disabled
Checksumming of GRE packets disabled
Last clearing of counters: Never
Last 300 seconds input rate: 0 bytes/sec, 0 bits/sec, 0 packets/sec
Last 300 seconds output rate: 0 bytes/sec, 0 bits/sec, 0 packets/sec
Input: 5 packets, 420 bytes, 0 drops
Output: 5 packets, 420 bytes, 0 drops
[H3C]save f
该案例暂时没有网友评论
✖
案例意见反馈
亲~登录后才可以操作哦!
确定你的邮箱还未认证,请认证邮箱或绑定手机后进行当前操作