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alphanet-config.txt
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alphanet-config.txt
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===============================================================
# Internet Service Provider "101" BGP Gateway configuration
enable
configure terminal
# Interfaces
interface FastEthernet 0/0
ip address 101.8.0.1 255.255.0.0
no shutdown
interface GigabitEthernet 5/0
ip address 103.8.0.1 255.255.255.252
no shutdown
interface GigabitEthernet 4/0
ip address 103.8.0.13 255.255.255.252
no shutdown
exit
# DHCP
service dhcp
ip dhcp pool LAN101
network 101.8.0.0 255.255.0.0
default-router 101.8.0.1
exit
ip dhcp excluded-address 101.8.0.1
# BGP
router bgp 101
neighbor 103.8.0.2 remote-as 200
neighbor 103.8.0.14 remote-as 100
network 101.8.0.0 mask 255.255.0.0
exit
# Save config
CTRL-C
copy running-config startup-config
===============================================================
# Internet Service Provider "102" BGP Gateway configuration
enable
configure terminal
# Interfaces
interface FastEthernet 0/0
ip address 102.8.0.1 255.255.0.0
no shutdown
interface GigabitEthernet 4/0
ip address 103.8.0.6 255.255.255.252
no shutdown
interface GigabitEthernet 5/0
ip address 103.8.0.9 255.255.255.252
no shutdown
exit
# DHCP
service dhcp
ip dhcp pool LAN102
network 102.8.0.0 255.255.0.0
default-router 102.8.0.1
exit
ip dhcp excluded-address 102.8.0.1
# BGP
router bgp 102
neighbor 103.8.0.5 remote-as 200
neighbor 103.8.0.10 remote-as 100
network 102.8.0.0 mask 255.255.0.0
exit
# Save config
CTRL-C
copy running-config startup-config
===============================================================
# Cloud Provider BGP Gateway configuration
enable
configure terminal
# ACLs
ip access-list extended VIRTUAL-DC-ACL
permit tcp any host 200.8.1.2 eq 80
permit tcp any host 200.8.1.2 eq 443
permit tcp any host 200.8.1.3 eq 80
permit tcp any host 200.8.1.3 eq 443
permit tcp 100.20.8.0 0.0.0.15 host 200.8.1.2 eq 22
permit tcp 100.20.8.0 0.0.0.15 host 200.8.1.2 eq 23
permit tcp host 100.20.8.16 host 200.8.1.2 eq 22
permit tcp host 100.20.8.16 host 200.8.1.2 eq 23
deny tcp host 100.20.8.0 host 200.8.1.2
permit icmp any host 200.8.1.2
permit icmp any host 200.8.1.3
exit
# Interfaces
interface GigabitEthernet 6/0
ip address 200.8.1.1 255.255.255.240
ip access-group ALFA-NET-ACL out
no shutdown
interface GigabitEthernet 5/0
ip address 103.8.0.2 255.255.255.252
no shutdown
interface GigabitEthernet 4/0
ip address 103.8.0.5 255.255.255.252
no shutdown
exit
# BGP
router bgp 200
neighbor 103.8.0.1 remote-as 101
neighbor 103.8.0.6 remote-as 102
network 200.8.1.0 mask 255.255.255.240
exit
# Save config
CTRL-C
copy running-config startup-config
===============================================================
# AlfaNET BGP Gateway configuration
enable
configure terminal
# Interfaces
interface GigabitEthernet 5/0
ip address 103.8.0.10 255.255.255.252
no shutdown
interface GigabitEthernet 4/0
ip address 103.8.0.14 255.255.255.252
no shutdown
interface GigabitEthernet 9/0
ip address 10.8.100.2 255.255.255.252
no shutdown
exit
# BGP
router bgp 100
neighbor 103.8.0.9 remote-as 102
neighbor 103.8.0.13 remote-as 101
network 100.20.8.0 mask 255.255.255.0
exit
# Static route to AlfaNET public range
ip route 100.20.8.0 255.255.255.0 10.8.100.1
# Save config
CTRL-C
copy running-config startup-config
===============================================================
# Zemun (Z) backbone router configuration
enable
configure terminal
# ACLs
ip access-list extended LPNET-ACL
permit tcp host 10.8.96.25 10.8.96.26
permit udp host 10.8.96.25 10.8.96.26
permit icmp host 10.8.96.25 10.8.96.26
permit tcp host 10.8.96.38 10.8.96.37
permit udp host 10.8.96.38 10.8.96.37
permit icmp host 10.8.96.38 10.8.96.37
deny tcp 10.8.0.0 0.0.255.255 172.8.0.0 0.0.255.255
deny udp 10.8.0.0 0.0.255.255 172.8.0.0 0.0.255.255
deny icmp 10.8.0.0 0.0.255.255 172.8.0.0 0.0.255.255
permit ip any any
permit tcp any any
permit udp any any
permit icmp any any
exit
# Interfaces
interface GigabitEthernet 4/0
ip address 10.8.96.6 255.255.255.252
no shutdown
interface GigabitEthernet 5/0
ip address 10.8.96.9 255.255.255.252
no shutdown
exit
interface FastEthernet 0/0
no shutdown
exit
interface FastEthernet 0/0.1
encapsulation dot1Q 10
ip address 10.8.1.193 255.255.255.192
interface FastEthernet 0/0.2
encapsulation dot1Q 20
ip address 10.8.2.193 255.255.255.192
interface FastEthernet 0/0.5
encapsulation dot1Q 50
ip address 10.8.4.193 255.255.255.192
exit
interface GigabitEthernet 9/0
ip address 10.8.96.21 255.255.255.252
ip access-group LPNET-ACL out
no shutdown
exit
# DHCP
service dhcp
ip dhcp pool SALES
network 10.8.1.192 255.255.255.192
default-router 10.8.1.193
dns-server 100.20.8.100
ip dhcp pool IT
network 10.8.2.192 255.255.255.192
default-router 10.8.2.193
dns-server 100.20.8.100
exit
ip dhcp excluded-address 10.8.1.193
ip dhcp excluded-address 10.8.2.193
# Static route to LP network
ip route 172.8.4.0 255.255.252.0 10.8.96.22
# OSPF
router ospf 1
network 10.8.96.0 0.0.3.255 area 0
network 10.8.0.0 0.0.15.255 area 10
redistribute static subnets
exit
# Save config
CTRL-C
copy running-config startup-config
===============================================================
# Kaludjerica (K) backbone router configuration
enable
configure terminal
# ACLs
ip access-list extended CX-ACL
deny tcp any 10.8.0.0 0.0.255.255
deny udp any 10.8.0.0 0.0.255.255
deny icmp any 10.8.0.0 0.0.255.255
deny tcp any 172.8.0.0 0.0.255.255
deny udp any 172.8.0.0 0.0.255.255
deny icmp any 172.8.0.0 0.0.255.255
permit ip any any
permit tcp any any
permit udp any any
permit icmp any any
exit
# Interfaces
interface GigabitEthernet 7/0
ip address 10.8.96.1 255.255.255.252
no shutdown
interface GigabitEthernet 6/0
ip address 10.8.96.14 255.255.255.252
no shutdown
interface GigabitEthernet 4/0
ip address 10.8.224.254 255.255.255.0
ip access-group CX-ACL in
no shutdown
exit
# OSPF
router ospf 1
area 204 stub no-summary
network 10.8.96.0 0.0.3.255 area 0
network 10.8.224.0 0.0.0.255 area 204
exit
# Save config
CTRL-C
copy running-config startup-config
===============================================================
# Centar (C) backbone router configuration
enable
configure terminal
# ACLs
ip access-list extended LPNET-ACL
permit tcp host 10.8.96.26 10.8.96.25
permit udp host 10.8.96.26 10.8.96.25
permit icmp host 10.8.96.26 10.8.96.25
permit tcp host 10.8.96.34 10.8.96.33
permit udp host 10.8.96.34 10.8.96.33
permit icmp host 10.8.96.34 10.8.96.33
deny tcp 10.8.0.0 0.0.255.255 172.8.0.0 0.0.255.255
deny udp 10.8.0.0 0.0.255.255 172.8.0.0 0.0.255.255
deny icmp 10.8.0.0 0.0.255.255 172.8.0.0 0.0.255.255
permit ip any any
permit tcp any any
permit udp any any
permit icmp any any
exit
deny tcp any 10.8.0.0 0.0.255.255
deny udp any 10.8.0.0 0.0.255.255
deny icmp any 10.8.0.0 0.0.255.255
deny tcp any 172.8.0.0 0.0.255.255
deny udp any 172.8.0.0 0.0.255.255
deny icmp any 172.8.0.0 0.0.255.255
permit ip any any
permit tcp any any
permit udp any any
permit icmp any any
exit
# Interfaces
interface GigabitEthernet 5/0
ip address 10.8.96.10 255.255.255.252
no shutdown
interface GigabitEthernet 6/0
ip address 10.8.96.13 255.255.255.252
no shutdown
interface GigabitEthernet 8/0
no shutdown
exit
interface GigabitEthernet 8/0.1
encapsulation dot1Q 10
ip address 10.8.0.1 255.255.255.0
interface GigabitEthernet 8/0.2
encapsulation dot1Q 20
ip address 10.8.2.1 255.255.255.192
interface GigabitEthernet 8/0.3
encapsulation dot1Q 30
ip address 10.8.3.1 255.255.255.128
interface GigabitEthernet 8/0.4
encapsulation dot1Q 40
ip address 10.8.3.129 255.255.255.128
interface GigabitEthernet 8/0.5
encapsulation dot1Q 50
ip address 10.8.4.1 255.255.255.192
exit
interface GigabitEthernet 9/0
ip address 10.8.96.17 255.255.255.252
ip access-group LPNET-ACL out
no shutdown
exit
# DHCP
service dhcp
ip dhcp pool SALES
network 10.8.0.0 255.255.255.0
default-router 10.8.0.1
dns-server 100.20.8.100
ip dhcp pool IT
network 10.8.2.0 255.255.255.192
default-router 10.8.2.1
dns-server 100.20.8.100
ip dhcp pool MGMT
network 10.8.3.0 255.255.255.128
default-router 10.8.3.1
dns-server 100.20.8.100
ip dhcp pool ADV
network 10.8.3.128 255.255.255.128
default-router 10.8.3.129
dns-server 100.20.8.100
exit
ip dhcp excluded-address 10.8.0.1
ip dhcp excluded-address 10.8.2.1
ip dhcp excluded-address 10.8.3.1
ip dhcp excluded-address 10.8.3.129
# Static route to LP network
ip route 172.8.0.0 255.255.252.0 10.8.96.18
# OSPF
router ospf 1
network 10.8.96.0 0.0.3.255 area 0
network 10.8.0.0 0.0.15.255 area 10
redistribute static subnets
exit
# Save config
CTRL-C
copy running-config startup-config
===============================================================
# Banovo Brdo (BB) backbone router configuration
enable
configure terminal
# ACLs
ip access-list extended PUBLIC-SRVRS-ACL
permit tcp 10.8.2.0 0.0.0.255 host 100.20.8.100
permit tcp 10.8.2.0 0.0.0.255 host 100.20.8.101
permit tcp 10.8.2.0 0.0.0.255 host 100.20.8.102
permit udp host 10.8.16.3 host 100.20.8.100 eq 161
permit udp host 10.8.16.3 host 100.20.8.101 eq 161
permit udp host 10.8.16.3 host 100.20.8.102 eq 161
permit icmp host 10.8.16.3 host 100.20.8.100
permit icmp host 10.8.16.3 host 100.20.8.101
permit icmp host 10.8.16.3 host 100.20.8.102
permit tcp any host 100.20.8.101 eq 80
permit tcp any host 100.20.8.101 eq 443
permit tcp any host 100.20.8.102 eq 25
permit tcp any eq 25 host 100.20.8.102
permit tcp any host 100.20.8.102 eq 110
permit udp any host 100.20.8.100 eq 53
permit icmp any host 100.20.8.100
permit icmp any host 100.20.8.101
permit icmp any host 100.20.8.102
exit
ip access-list extended PRIVATE-SRVRS-ACL
permit tcp 10.8.0.0 0.0.15.255 host 10.8.16.2
permit udp 10.8.0.0 0.0.15.255 host 10.8.16.2
permit icmp 10.8.0.0 0.0.15.255 host 10.8.16.2
permit icmp any host 10.8.16.3 echo-reply
permit udp any eq 161 host 10.8.16.3
exit
ip access-list extended LPNET-SRVR-ACL
permit tcp host 10.8.96.33 host 10.8.96.34
permit udp host 10.8.96.33 host 10.8.96.34
permit icmp host 10.8.96.33 host 10.8.96.34
permit tcp host 10.8.96.37 host 10.8.96.38
permit udp host 10.8.96.37 host 10.8.96.38
permit icmp host 10.8.96.37 host 10.8.96.38
deny tcp 10.8.0.0 0.0.255.255 host 172.8.8.2
deny udp 10.8.0.0 0.0.255.255 host 172.8.8.2
deny icmp 10.8.0.0 0.0.255.255 host 172.8.8.2
permit ip any any
permit tcp any any
permit udp any any
permit icmp any any
exit
# Interfaces
interface GigabitEthernet 2/0
ip address 10.8.96.29 255.255.255.252
ip nat inside
ip access-group LPNET-SRVR-ACL out
no shutdown
interface GigabitEthernet 7/0
ip address 10.8.96.2 255.255.255.252
ip nat inside
no shutdown
interface GigabitEthernet 4/0
ip address 10.8.96.5 255.255.255.252
ip nat inside
no shutdown
interface GigabitEthernet 9/0
ip address 10.8.100.1 255.255.255.252
ip nat outside
no shutdown
exit
interface GigabitEthernet 8/0
no shutdown
exit
interface GigabitEthernet 8/0.1
encapsulation dot1Q 10
ip address 10.8.1.1 255.255.255.128
ip nat inside
interface GigabitEthernet 8/0.2
encapsulation dot1Q 20
ip address 10.8.2.65 255.255.255.192
ip nat inside
interface GigabitEthernet 8/0.5
encapsulation dot1Q 50
ip address 10.8.4.65 255.255.255.192
ip nat inside
interface GigabitEthernet 8/0.6
encapsulation dot1Q 60
ip address 10.8.16.1 255.255.252.0
ip nat inside
ip access-group PRIVATE-SRVRS-ACL out
interface GigabitEthernet 8/0.10
encapsulation dot1Q 100
ip address 100.20.8.97 255.255.255.224
ip nat inside
ip access-group PUBLIC-SRVRS-ACL out
exit
# DHCP
service dhcp
ip dhcp pool SALES
network 10.8.1.0 255.255.255.128
default-router 10.8.1.1
dns-server 100.20.8.100
ip dhcp pool IT
network 10.8.2.64 255.255.255.192
default-router 10.8.2.65
dns-server 100.20.8.100
exit
ip dhcp excluded-address 10.8.1.1
ip dhcp excluded-address 10.8.2.65
# NAT
ip access-list standard IT-ACL
permit 10.8.2.0 0.0.0.255
exit
ip access-list standard CX-ACL
permit 10.8.128.0 0.0.0.255
permit 10.8.160.0 0.0.0.255
permit 10.8.192.0 0.0.0.255
permit 10.8.224.0 0.0.0.255
exit
ip access-list standard BUSINESS-ACL
permit 10.8.0.0 0.0.1.255
permit 10.8.3.0 0.0.0.127
permit 10.8.3.128 0.0.0.127
exit
ip access-list standard LPNET-ACL
permit 172.8.0.0 0.0.255.255
exit
ip nat pool ALFA-NET-IT 100.20.8.1 100.20.8.16 netmask 255.255.255.0
ip nat pool ALFA-NET-CX 100.20.8.17 100.20.8.32 netmask 255.255.255.0
ip nat pool ALFA-NET-BUSINESS 100.20.8.33 100.20.8.40 netmask 255.255.255.0
ip nat pool LPNET 100.20.8.41 100.20.8.41 netmask 255.255.255.0
ip nat inside source list IT-ACL pool ALFA-NET-IT overload
ip nat inside source list CX-ACL pool ALFA-NET-CX overload
ip nat inside source list BUSINESS-ACL pool ALFA-NET-BUSINESS overload
ip nat inside source list LPNET-ACL pool LPNET overload
# Static route to LP network
ip route 172.8.8.0 255.255.255.252 10.8.96.30
# Default static route to BGP Gateway
ip route 0.0.0.0 0.0.0.0 10.8.100.2
# OSPF
router ospf 1
network 10.8.96.0 0.0.3.255 area 0
network 10.8.0.0 0.0.15.255 area 10
network 10.8.16.0 0.0.3.255 area 20
redistribute static subnets
default-information originate
exit
# Save config
CTRL-C
copy running-config startup-config
===============================================================
# Customer 1 (Cx1) router RCx1 configuration
enable
configure terminal
# Interfaces
interface FastEthernet 1/0
ip address 192.168.8.30 255.255.255.192
ip nat inside
no shutdown
interface GigabitEthernet 0/0
ip address 10.8.224.1 255.255.255.0
ip nat outside
no shutdown
exit
# DHCP
service dhcp
ip dhcp pool CXLOCAL
network 192.168.8.0 255.255.255.192
default-router 192.168.8.30
dns-server 100.20.8.100
exit
ip dhcp excluded-address 192.168.8.1 192.168.8.9
ip dhcp excluded-address 192.168.8.30
ip dhcp excluded-address 192.168.8.31 192.168.8.62
# NAT
ip access-list standard CXLOCAL
permit 192.168.8.0 0.0.0.63
exit
ip nat pool ALFA-NET-KAL 10.8.224.1 10.8.224.1 netmask 255.255.255.0
ip nat inside source list CXLOCAL pool ALFA-NET-KAL overload
# OSPF
router ospf 1
router-id 10.8.224.1
area 204 stub no-summary
network 10.8.224.0 0.0.0.255 area 204
exit
# Save config
CTRL-C
copy running-config startup-config
===============================================================
# Customer 2 (Cx2) router RCx2 configuration
enable
configure terminal
# Interfaces
interface FastEthernet 1/0
ip address 192.168.8.30 255.255.255.192
ip nat inside
no shutdown
interface GigabitEthernet 0/0
ip address 10.8.224.2 255.255.255.0
ip nat outside
no shutdown
exit
# DHCP
service dhcp
ip dhcp pool CXLOCAL
network 192.168.8.0 255.255.255.192
default-router 192.168.8.30
dns-server 100.20.8.100
exit
ip dhcp excluded-address 192.168.8.1 192.168.8.9
ip dhcp excluded-address 192.168.8.30
ip dhcp excluded-address 192.168.8.31 192.168.8.62
# NAT
ip access-list standard CXLOCAL
permit 192.168.8.0 0.0.0.63
exit
ip nat pool ALFA-NET-KAL 10.8.224.2 10.8.224.2 netmask 255.255.255.0
ip nat inside source list CXLOCAL pool ALFA-NET-KAL overload
# OSPF
router ospf 1
router-id 10.8.224.2
area 204 stub no-summary
network 10.8.224.0 0.0.0.255 area 204
exit
# Save config
CTRL-C
copy running-config startup-config
===============================================================
# LP's LP1 router configuration
enable
configure terminal
# Interfaces
interface GigabitEthernet 1/0
ip address 172.8.2.1 255.255.255.252
no shutdown
interface GigabitEthernet 2/0
ip address 172.8.2.5 255.255.255.252
no shutdown
interface GigabitEthernet 3/0
ip address 172.8.2.9 255.255.255.252
no shutdown
## Link to AlfaNET
interface GigabitEthernet 4/0
ip address 172.8.2.14 255.255.255.252
no shutdown
interface FastEthernet 5/0
ip address 172.8.0.1 255.255.255.192
no shutdown
exit
# DHCP
service dhcp
ip dhcp pool LPLOCAL
network 172.8.0.0 255.255.255.192
default-router 172.8.0.1
dns-server 100.20.8.100
exit
ip dhcp excluded-address 172.8.0.1
# Static route to the GRE tunnel
ip route 0.0.0.0 0.0.0.0 172.8.2.13
# RIP
router rip
version 2
network 172.8.0.0
default-information originate
exit
# Save config
CTRL-C
copy running-config startup-config
===============================================================
# LP's LP2 router configuration
enable
configure terminal
# Interfaces
interface GigabitEthernet 0/0
ip address 172.8.2.2 255.255.255.252
no shutdown
interface FastEthernet 1/0
ip address 172.8.0.65 255.255.255.192
no shutdown
exit
# DHCP
service dhcp
ip dhcp pool LPLOCAL
network 172.8.0.64 255.255.255.192
default-router 172.8.0.65
dns-server 100.20.8.100
exit
ip dhcp excluded-address 172.8.0.65
# RIP
router rip
version 2
network 172.8.0.0
exit
# Save config
CTRL-C
copy running-config startup-config
===============================================================
# LP's LP3 router configuration
enable
configure terminal
# Interfaces
interface GigabitEthernet 0/0
ip address 172.8.2.6 255.255.255.252
no shutdown
interface FastEthernet 1/0
ip address 172.8.0.129 255.255.255.192
no shutdown
exit
# DHCP
service dhcp
ip dhcp pool LPLOCAL
network 172.8.0.128 255.255.255.192
default-router 172.8.0.129
dns-server 100.20.8.100
exit
ip dhcp excluded-address 172.8.0.129
# RIP
router rip
version 2
network 172.8.0.0
exit
# Save config
CTRL-C
copy running-config startup-config
===============================================================
# LP's LP4 router configuration
enable
configure terminal
# Interfaces
interface GigabitEthernet 0/0
ip address 172.8.2.10 255.255.255.252
no shutdown
interface FastEthernet 1/0
ip address 172.8.0.193 255.255.255.192
no shutdown
exit
# DHCP
service dhcp
ip dhcp pool LPLOCAL
network 172.8.0.192 255.255.255.192
default-router 172.8.0.193
dns-server 100.20.8.100
exit
ip dhcp excluded-address 172.8.0.193
# RIP
router rip
version 2
network 172.8.0.0
exit
# Save config
CTRL-C
copy running-config startup-config
===============================================================
# LP's LP5 router configuration
enable
configure terminal
# Interfaces
interface GigabitEthernet 1/0
ip address 172.8.6.1 255.255.255.252
no shutdown
interface GigabitEthernet 2/0
ip address 172.8.6.5 255.255.255.252
no shutdown
## Link to AlfaNET
interface GigabitEthernet 3/0
ip address 172.8.6.10 255.255.255.252
no shutdown
interface FastEthernet 4/0
ip address 172.8.4.1 255.255.255.192
no shutdown
exit
# DHCP
service dhcp
ip dhcp pool LPLOCAL
network 172.8.4.0 255.255.255.192
default-router 172.8.4.1
dns-server 100.20.8.100
exit
ip dhcp excluded-address 172.8.4.1
# Static route to the GRE tunnel FIXME
ip route 0.0.0.0 0.0.0.0 172.8.6.9
# RIP
router rip
version 2
network 172.8.0.0
default-information originate
exit
# Save config
CTRL-C
copy running-config startup-config
===============================================================
# LP's LP6 router configuration
enable
configure terminal
# Interfaces
interface GigabitEthernet 0/0
ip address 172.8.6.2 255.255.255.252
no shutdown
interface FastEthernet 1/0
ip address 172.8.4.65 255.255.255.192
no shutdown
exit
# DHCP
service dhcp
ip dhcp pool LPLOCAL
network 172.8.4.64 255.255.255.192
default-router 172.8.4.65
dns-server 100.20.8.100
exit
ip dhcp excluded-address 172.8.4.65
# RIP
router rip
version 2
network 172.8.0.0
exit
# Save config
CTRL-C
copy running-config startup-config
===============================================================
# LP's LP7 router configuration
enable
configure terminal
# Interfaces
interface GigabitEthernet 0/0
ip address 172.8.6.6 255.255.255.252
no shutdown
interface FastEthernet 1/0
ip address 172.8.4.129 255.255.255.192
no shutdown
exit
# DHCP
service dhcp
ip dhcp pool LPLOCAL
network 172.8.4.128 255.255.255.192
default-router 172.8.4.129
dns-server 100.20.8.100
exit
ip dhcp excluded-address 172.8.4.129
# RIP
router rip
version 2
network 172.8.0.0
exit
# Save config
CTRL-C
copy running-config startup-config
===============================================================
# Switch L3SW1 configuration
enable
configure terminal
# Enable IP routing
ip routing
# Interfaces
interface GigabitEthernet 0/1
no switchport
ip address 10.8.96.18 255.255.255.252
no shutdown
## VLAN interface for a GRE tunnel