批注 2021-08-20 161810.png


ABC公司简介
公司下属两个部门(VLAN11,VLAN12)
ABC公司网络需求
公司的两个部门之间可以互访,可以访问Internet,
ABC公司网络建设要求

一.网络VLAN和IP地址。

二.第二层技术:

  1. VLAN。
  2. Trunk(封装为802.1Q)。
  3. 定制STP Root实现负载均衡。
  4. 使用Eth-Trunk。
  5. 使用MSTP

三.第三层技术:

  1. 路由:使用动态或静态路由。
  2. DHCP Server:为所有IP网段分配IP。
  3. 使用NAT访问Internet。
  4. 用VRRP实现负载均衡和冗余。
  5. VLAN 11 通过 ISP1(6.6.6.6)访问internet。
    VLAN 12 通过 ISP2(7.7.7.7)访问internet。

syst
sysn ASW1
vlan ba 11 12
int ether 0/0/1
port link-ty tr
port trunk all vlan all
int ether 0/0/2
port link-ty tr
port trunk all vlan all
int ether 0/0/11
port link-ty acce
port default vlan 11
int ether 0/0/12
port link-ty acce
port default vlan 12

stp enable
stp mode mstp
stp region-c
region-name yh
revision-l 1
instance 1 vlan 11
instance 2 vlan 12
active region-c
q

user-interf con 0
idle-t 0 0
q

syst
sysn ASW2
vlan ba 11 12
int ether 0/0/1
port link-ty tr
port trunk all vlan all
int ether 0/0/2
port link-ty tr
port trunk all vlan all
int ether 0/0/11
port link-ty acce
port default vlan 11
int ether 0/0/12
port link-ty acce
port default vlan 12stp enable
stp mode mstp
stp region-c
region-name yh
revision-l 1
instance 1 vlan 11
instance 2 vlan 12
active region-c
quser-interf con 0
idle-t 0 0
q

syst
sysn DSW1
vlan ba 11 12 110 120
int eth-trunk 1
port link-ty tr
port trunk all vlan all
int g0/0/1
eth-trunk 1
int g0/0/2
eth-trunk 1
int g0/0/3
port link-ty tr
port trunk all vlan all
int g0/0/4
port link-ty tr
port trunk all vlan all
int g0/0/10
port link-ty access
port default vlan 110q
dhcp enable
ip pool vlan11
network 10.0.11.0 mask 255.255.255.0
gateway-list 10.0.11.254
dns-list 100.100.100.100

MSTP

stp enable
stp mode mstp
stp region-c
region-name yh
revision-l 1
instance 1 vlan 11
instance 2 vlan 12
active region-c
q
stp instance 1 prio 4096
stp instance 2 prio 8192int vlanif 11
ip add 10.0.11.1 24
vrrp vrid 11 virtual-ip 10.0.11.254
vrrp vrid 11 prio 110
dhcp select global
int vlanif 12
ip add 10.0.12.1 24
vrrp vrid 12 virtual-ip 10.0.12.254int vlanif 110
ip add 10.1.1.1 24ospf 1
ar 0
net 10.0.0.0 0.255.255.255
quser-interf con 0
idle-t 0 0
q

syst
sysn DSW2
vlan ba 11 12 110 120
int eth-trunk 1
port link-ty tr
port trunk all vlan all
int g0/0/1
eth-trunk 1
int g0/0/2
eth-trunk 1
int g0/0/3
port link-ty tr
port trunk all vlan all
int g0/0/4
port link-ty tr
port trunk all vlan all
int g0/0/10
port link-ty access
port default vlan 120
dhcp enable
ip pool vlan12
network 10.0.12.0 mask 255.255.255.0
gateway-list 10.0.12.254
dns-list 100.100.100.100

MSTP

stp enable
stp mode mstp
stp region-c
region-name yh
revision-l 1
instance 1 vlan 11
instance 2 vlan 12
active region-c
q
stp instance 1 prio 8192
stp instance 2 prio 4096int vlanif 11
ip add 10.0.11.2 24
vrrp vrid 11 virtual-ip 10.0.11.254
int vlanif 12
ip add 10.0.12.2 24
vrrp vrid 12 virtual-ip 10.0.12.254
vrrp vrid 12 prio 110
dhcp select globalint vlanif 120
ip add 10.1.2.1 24ospf 1
ar 0
net 10.0.0.0 0.255.255.255
quser-interf con 0
idle-t 0 0
q

CR1

syst
sysn CR1
int g0/0/0
ip add 10.1.1.2 24
int g0/0/1
ip add 10.2.1.2 24ospf 1
area 0
net 10.0.0.0 0.255.255.255
default-route-advertise type 1
quitip route-s 0.0.0.0 0 10.2.1.1

CR2

syst
sysn CR2
int g0/0/0
ip add 10.1.2.2 24
int g0/0/1
ip add 10.2.2.2 24ospf 1
area 0
net 10.0.0.0 0.255.255.255
default-route-advertise type 1
quitip route-s 0.0.0.0 0 10.2.2.1

syst
sys FW1
firewall zone untrust
add int g0/0/1
returnsyst
int g0/0/0
ip add 10.2.1.1 24
int g0/0/1
ip add 6.6.6.5 24
returnsys
policy interzone trust untrust outbound
policy 1
action permit
return

NAT

sys
nat address-group 1 6.6.6.5 6.6.6.5
nat-policy interzone  trust  untrust outbound
policy 1
action source-nat
address-group 1
returnsys
ospf 1
area 0
net 10.0.0.0 0.255.255.255ip route-s 0.0.0.0 0 6.6.6.6ip ttl-expires enable
ip unreachables enabledisplay firewall session table

syst
sys FW2
firewall zone untrust
add int g0/0/1
returnsyst
int g0/0/0
ip add 10.2.2.1 24
int g0/0/1
ip add 7.7.7.6 24
returnsys
policy interzone trust untrust outbound
policy 1
action permit
returnsys
nat address-group 1 7.7.7.6 7.7.7.6
nat-policy interzone  trust  untrust outbound
policy 1
action source-nat
address-group 1
returnsys
ospf 1
area 0
net 10.0.0.0 0.255.255.255ip route-s 0.0.0.0 0 7.7.7.7
ip ttl-expires enable
ip unreachables enabledisplay firewall session table

ISP1

syst
sysn ISP1
dhcp enable
int g0/0/0
ip add 5.0.13.1 24
int g0/0/1
ip add 6.6.6.6 24
dhcp select int
bgp 100
peer 5.0.13.3 as-number 300
network 6.6.6.0 255.255.255.0
return

ISP2

syst
sysn ISP2
dhcp enable
int g0/0/0
ip add 5.0.23.2 24
int g0/0/1
ip add 7.7.7.7 24
dhcp select int
bgp 200
peer 5.0.23.3 as-number 300
network 7.7.7.0 255.255.255.0
return

ISP3

syst
sysn ISP3
int g0/0/0
ip add 5.0.13.3 24
int g0/0/1
ip add 100.100.100.1 24
int g0/0/2
ip add 5.0.23.3 24
bgp 300
peer 5.0.13.1 as-number 100
peer 5.0.23.2 as-number 200
network 100.100.100.0 255.255.255.0
returndis ip int br
dis ip rout

最后修改:2023 年 05 月 02 日
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