1. 서울 지사
1) Tiered 2 Layer (코어 계층이 없음)
2) 빌딩 A
- Distribution 계층의 이중화 (L3스위치)
- 1개층
- 4 Vlans(PVST, FHRP: 10,20은 왼쪽 활성화 및 30,40은 오른쪽 활성화)
3) 빌딩 B
- Distribution 계층의 이중화 없음
- 1개층
- 2 VLANS
- EC
2. 인터넷 접속(KT, WAN)
3. NAT OVERLOAD
3.3.3.2 - 3.3.3.1 (KT) 100.100.100.1 - 100.100.100.2(인터넷)
L3 스위치 1번
spanning-tree mode pvstspanning-tree vlan 10,20 priority 4096
interface FastEthernet0/1no switchport
ip address 10.1.7.3 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet0/2
no switchport
ip address 10.1.8.3 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet0/3
switchport trunk encapsulation dot1q
switchport mode trunk
!
interface FastEthernet0/4
switchport trunk encapsulation dot1q
switchport mode trunk
!
interface FastEthernet0/5
no switchport
ip address 10.1.9.3 255.255.255.0
duplex auto
speed auto
interface Vlan10
ip address 10.1.1.2 255.255.255.0
standby version 2
standby 10 ip 10.1.1.1
standby 10 priority 150!
interface Vlan20
ip address 10.1.2.2 255.255.255.0
standby version 2
standby 20 ip 10.1.2.1
standby 20 priority 150
!
interface Vlan30
ip address 10.1.3.2 255.255.255.0
standby version 2
standby 30 ip 10.1.3.1
standby 30 priority 50
!
interface Vlan40
ip address 10.1.4.2 255.255.255.0
standby version 2
standby 40 ip 10.1.4.1
standby 40 priority 50
!
router eigrp 100
network 10.0.0.0
L3 스위치 2번
interface FastEthernet0/1
no switchport
ip address 10.1.10.3 255.255.255.0
duplex auto
speed auto!
interface FastEthernet0/2
no switchport
ip address 10.1.11.3 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet0/3
switchport trunk encapsulation dot1q
switchport mode trunk
!
interface FastEthernet0/4
switchport trunk encapsulation dot1q
switchport mode trunk
!
interface FastEthernet0/5
no switchport
ip address 10.1.12.3 255.255.255.0
duplex auto
speed auto
interface FastEthernet0/1
no switchport
ip address 10.1.10.3 255.255.255.0
duplex auto
speed auto!
interface FastEthernet0/2
no switchport
ip address 10.1.11.3 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet0/3
switchport trunk encapsulation dot1q
switchport mode trunk
!
interface FastEthernet0/4
switchport trunk encapsulation dot1q
switchport mode trunk
!
interface FastEthernet0/5
no switchport
ip address 10.1.12.3 255.255.255.0
duplex auto
speed auto
interface Vlan10
ip address 10.1.1.3 255.255.255.0
standby version 2
standby 10 ip 10.1.1.1
standby 10 priority 50!
interface Vlan20
ip address 10.1.2.3 255.255.255.0
standby version 2
standby 20 ip 10.1.2.1
standby 20 priority 50
!
interface Vlan30
ip address 10.1.3.3 255.255.255.0
standby version 2
standby 30 ip 10.1.3.1
standby 30 priority 150
standby 30 preempt
!
interface Vlan40
ip address 10.1.4.3 255.255.255.0
standby version 2
standby 30 preempt
standby 40 ip 10.1.4.1
standby 40 priority 150
standby 40 preempt
!
router eigrp 100
network 10.0.0.0
Internet Router
interface FastEthernet0/0ip address 100.100.100.2 255.255.255.0
ip nat outside
duplex auto
speed auto
!
interface FastEthernet0/1
ip address 10.1.7.1 255.255.255.0
ip nat inside
duplex auto
speed auto
!
interface FastEthernet1/0
ip address 10.1.10.1 255.255.255.0
ip nat inside
duplex auto
speed auto
!
interface FastEthernet1/1
no ip address
duplex auto
speed auto
shutdown
!
router eigrp 100
redistribute static
network 10.0.0.0
auto-summary
!
ip nat pool test 100.100.100.3 100.100.100.254 netmask 255.255.255.0
ip nat inside source list 1 pool test overload
ip classless
ip route 0.0.0.0 0.0.0.0 100.100.100.1
!
ip flow-export version 9
!
!
access-list 1 permit 10.0.0.0 0.255.255.255
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