One of the things that I like to do is to create networks in the labs and really experiment with them.  In this lab, I work with multiple routing protocols and throw in a vpn for fun.  I’ve added the code of my routers so you can give them a try as well.

 

 

Routes Produced

 Corp-Edge-Router#show ip route
 Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
 D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
 N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
 E1 - OSPF external type 1, E2 - OSPF external type 2
 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
 ia - IS-IS inter area, * - candidate default, U - per-user static route
 o - ODR, P - periodic downloaded static route
Gateway of last resort is 10.100.10.1 to network 0.0.0.0
172.16.0.0/16 is variably subnetted, 8 subnets, 3 masks
 C 172.16.200.0/24 is directly connected, FastEthernet0/1
 C 172.16.192.0/24 is directly connected, FastEthernet0/0
 S 172.16.48.0/20 is directly connected, Tunnel0
 D EX 172.16.32.0/20 [170/51200] via 172.16.192.2, 00:03:48, FastEthernet0/0
 D EX 172.16.16.0/20 [170/51200] via 172.16.192.2, 00:03:48, FastEthernet0/0
 D 172.16.0.0/20 [90/30720] via 172.16.200.2, 00:00:24, FastEthernet0/1
 D 172.16.0.0/16 [90/27024640] via 192.168.200.2, 00:03:04, Tunnel0
 D EX 172.16.64.0/20 [170/51200] via 172.16.192.2, 00:03:28, FastEthernet0/0
 192.168.200.0/30 is subnetted, 1 subnets
 C 192.168.200.0 is directly connected, Tunnel0
 10.0.0.0/27 is subnetted, 1 subnets
 C 10.100.10.0 is directly connected, FastEthernet1/0
 192.168.100.0/24 is variably subnetted, 6 subnets, 2 masks
 D EX 192.168.100.8/30
 [170/51200] via 172.16.192.2, 00:03:53, FastEthernet0/0
 D EX 192.168.100.10/32
 [170/51200] via 172.16.192.2, 00:03:53, FastEthernet0/0
 D EX 192.168.100.4/30
 [170/51200] via 172.16.192.2, 00:03:53, FastEthernet0/0
 D EX 192.168.100.6/32
 [170/51200] via 172.16.192.2, 00:03:53, FastEthernet0/0
 D EX 192.168.100.0/30
 [170/51200] via 172.16.192.2, 00:03:53, FastEthernet0/0
 D EX 192.168.100.2/32
 [170/51200] via 172.16.192.2, 00:03:53, FastEthernet0/0
 S* 0.0.0.0/0 [1/0] via 10.100.10.1
 Corp-Edge-Router#
ISP2-Router#show ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route

Gateway of last resort is not set

50.0.0.0/24 is subnetted, 1 subnets
B 50.10.10.0 [20/0] via 10.150.15.1, 00:03:21
160.10.0.0/24 is subnetted, 1 subnets
C 160.10.10.0 is directly connected, Loopback1
10.0.0.0/27 is subnetted, 3 subnets
B 10.100.10.0 [20/0] via 10.150.15.1, 00:03:21
C 10.150.15.0 is directly connected, FastEthernet0/0
C 10.200.20.0 is directly connected, FastEthernet1/0
150.10.0.0/24 is subnetted, 1 subnets
B 150.10.10.0 [20/0] via 10.150.15.1, 00:03:21
60.0.0.0/24 is subnetted, 1 subnets
C 60.10.10.0 is directly connected, Loopback0
ISP2-Router#

ABR-Router1#show ip route
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
+ - replicated route, % - next hop override

Gateway of last resort is 172.16.192.1 to network 0.0.0.0

S* 0.0.0.0/0 [1/0] via 172.16.192.1
172.16.0.0/16 is variably subnetted, 7 subnets, 3 masks
D 172.16.0.0/20 [90/33280] via 172.16.192.1, 00:00:18, FastEthernet0/0
O 172.16.16.0/20 [110/74] via 192.168.100.2, 00:00:18, Serial1/0
O 172.16.32.0/20 [110/74] via 192.168.100.6, 00:00:18, Serial1/1
D 172.16.48.0/20
[90/27024640] via 172.16.192.1, 00:00:13, FastEthernet0/0
C 172.16.192.0/24 is directly connected, FastEthernet0/0
L 172.16.192.2/32 is directly connected, FastEthernet0/0
D 172.16.200.0/24
[90/30720] via 172.16.192.1, 00:00:20, FastEthernet0/0
192.168.100.0/24 is variably subnetted, 9 subnets, 2 masks
C 192.168.100.0/30 is directly connected, Serial1/0
L 192.168.100.1/32 is directly connected, Serial1/0
C 192.168.100.2/32 is directly connected, Serial1/0
C 192.168.100.4/30 is directly connected, Serial1/1
L 192.168.100.5/32 is directly connected, Serial1/1
C 192.168.100.6/32 is directly connected, Serial1/1
C 192.168.100.8/30 is directly connected, Serial1/2
L 192.168.100.9/32 is directly connected, Serial1/2
C 192.168.100.10/32 is directly connected, Serial1/2
192.168.200.0/30 is subnetted, 1 subnets
D 192.168.200.0
[90/27024640] via 172.16.192.1, 00:00:14, FastEthernet0/0
ABR-Router1#


ABR-Router1

hostname ABR-Router1
!
boot-start-marker
boot-end-marker
!
no aaa new-model
!
ip source-route
no ip icmp rate-limit unreachable
ip cef
!
no ip domain lookup
no ipv6 cef
!
multilink bundle-name authenticated
!
crypto pki token default removal timeout 0
!
redundancy
!
ip tcp synwait-time 5
!
interface FastEthernet0/0
description Link to Corp-Edge
ip address 172.16.192.2 255.255.255.0
duplex full
speed 100
!
interface FastEthernet0/1
no ip address
shutdown
duplex auto
speed auto
!
interface Serial1/0
description Link to SiteA
ip address 192.168.100.1 255.255.255.252
encapsulation ppp
serial restart-delay 0
!
interface Serial1/1
description Link to SiteB
ip address 192.168.100.5 255.255.255.252
encapsulation ppp
serial restart-delay 0
!
interface Serial1/2
description Link to RIP Router
ip address 192.168.100.9 255.255.255.252
encapsulation ppp
serial restart-delay 0
!
interface Serial1/3
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/4
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/5
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/6
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/7
no ip address
shutdown
serial restart-delay 0
!
interface FastEthernet2/0
no ip address
shutdown
duplex auto
speed auto
!
interface FastEthernet2/1
no ip address
shutdown
duplex auto
speed auto
!
interface FastEthernet3/0
no ip address
shutdown
duplex auto
speed auto
!
interface FastEthernet3/1
no ip address
shutdown
duplex auto
speed auto
!
router eigrp 65
network 172.16.192.0 0.0.15.255
redistribute ospf 100 metric 56000 12 255 255 1500
redistribute rip metric 56000 12 255 255 1500
!
router ospf 100
redistribute eigrp 65
redistribute rip
network 172.16.16.0 0.0.15.255 area 1
network 172.16.32.0 0.0.15.255 area 2
network 172.16.192.0 0.0.15.255 area 0
network 192.168.100.0 0.0.0.3 area 1
network 192.168.100.4 0.0.0.3 area 2
!
router rip
version 2
redistribute eigrp 65
redistribute ospf 100
network 172.16.0.0
network 192.168.100.0
no auto-summary
!
ip forward-protocol nd
no ip http server
no ip http secure-server
!
!
ip route 0.0.0.0 0.0.0.0 172.16.192.1
!
logging esm config
!
control-plane
!
mgcp profile default
!
gatekeeper
shutdown
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
stopbits 1
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
stopbits 1
line vty 0 4
login
transport input all
!
end


Corp Edge Router

hostname Corp-Edge-Router
!
boot-start-marker
boot-end-marker
!
no aaa new-model
memory-size iomem 5
no ip icmp rate-limit unreachable
ip cef
!
no ip domain lookup
!
multilink bundle-name authenticated
!
archive
log config
hidekeys
!
crypto isakmp policy 1
authentication pre-share
lifetime 84600
crypto isakmp key cisco12345 address 10.200.20.2
!
crypto ipsec transform-set myset ah-sha-hmac esp-des esp-sha-hmac
mode transport
!
crypto map mymap local-address FastEthernet1/0
crypto map mymap 1 ipsec-isakmp
set peer 10.200.20.2
set transform-set myset
match address 101
!
ip tcp synwait-time 5
!
interface Tunnel0
description VPN to SiteC
bandwidth 180
ip address 192.168.200.1 255.255.255.252
tunnel source 10.100.10.2
tunnel destination 10.200.20.2
crypto map mymap
!
interface FastEthernet0/0
description Link to ABR-Router
ip address 172.16.192.1 255.255.255.0
ip nat inside
ip virtual-reassembly
speed 100
full-duplex
!
interface FastEthernet0/1
description Link to CorpNet
ip address 172.16.200.1 255.255.255.0
ip nat inside
ip virtual-reassembly
speed 100
full-duplex
!
interface FastEthernet1/0
description Link to ISP
ip address 10.100.10.2 255.255.255.224
ip nat outside
ip virtual-reassembly
speed 100
full-duplex
crypto map mymap
!
interface FastEthernet2/0
no ip address
shutdown
duplex auto
speed auto
!
router eigrp 65
network 172.16.0.0
network 192.168.200.0
no auto-summary
!
ip forward-protocol nd
ip route 0.0.0.0 0.0.0.0 10.100.10.1
ip route 172.16.48.0 255.255.240.0 Tunnel0
!
no ip http server
no ip http secure-server
ip nat pool ovrld 10.100.10.5 10.100.10.9 prefix-length 27
ip nat inside source list 7 pool ovrld overload
!
access-list 7 permit 172.16.0.0 0.0.255.255
access-list 101 permit gre host 10.100.10.2 host 10.200.20.2
!
control-plane
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
line vty 0 4
login
!
end


CorpNet Router

hostname CorpNet-Router
!
boot-start-marker
boot-end-marker
!
no aaa new-model
memory-size iomem 5
no ip icmp rate-limit unreachable
ip cef
!
no ip domain lookup
!
multilink bundle-name authenticated
!
archive
log config
hidekeys
!
ip tcp synwait-time 5
!
interface FastEthernet0/0
ip address 172.16.0.1 255.255.240.0
speed 100
full-duplex
!
interface FastEthernet0/1
description Link to CorpEdge
ip address 172.16.200.2 255.255.255.0
speed 100
full-duplex
!
interface FastEthernet1/0
!
interface FastEthernet1/1
!
interface FastEthernet1/2
!
interface FastEthernet1/3
!
interface FastEthernet1/4
!
interface FastEthernet1/5
!
interface FastEthernet1/6
!
interface FastEthernet1/7
!
interface FastEthernet1/8
!
interface FastEthernet1/9
!
interface FastEthernet1/10
!
interface FastEthernet1/11
!
interface FastEthernet1/12
!
interface FastEthernet1/13
!
interface FastEthernet1/14
!
interface FastEthernet1/15
!
interface Vlan1
no ip address
!
router eigrp 65
network 172.16.0.0
auto-summary
!
ip forward-protocol nd
ip route 0.0.0.0 0.0.0.0 172.16.200.1
!
no ip http server
no ip http secure-server
!
control-plane
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
line vty 0 4
login
!
end


ISP Router

hostname ISP-Router
!
boot-start-marker
boot-end-marker
!
no aaa new-model
memory-size iomem 5
no ip icmp rate-limit unreachable
ip cef
!
no ip domain lookup
!
multilink bundle-name authenticated
!
archive
log config
hidekeys
!
ip tcp synwait-time 5
!
interface Loopback0
description DemoNet1-ISP1
ip address 50.10.10.1 255.255.255.0
!
interface Loopback1
description DemoNet2-ISP1
ip address 150.10.10.1 255.255.255.0
!
interface FastEthernet0/0
description Link to ISP2
ip address 10.150.15.1 255.255.255.224
speed 100
full-duplex
!
interface Serial0/0
no ip address
shutdown
clock rate 2000000
!
interface FastEthernet0/1
no ip address
shutdown
duplex auto
speed auto
!
interface Serial0/1
no ip address
shutdown
clock rate 2000000
!
interface FastEthernet1/0
description Link to Customer
ip address 10.100.10.1 255.255.255.224
ip access-group BLK-PRV-IPS in
speed 100
full-duplex
!
router bgp 101
no synchronization
bgp log-neighbor-changes
network 10.100.10.0 mask 255.255.255.224
network 50.10.10.0 mask 255.255.255.0
network 150.10.10.0 mask 255.255.255.0
neighbor 10.150.15.2 remote-as 102
no auto-summary
!
ip forward-protocol nd
!
no ip http server
no ip http secure-server
!
ip access-list standard BLK-PRV-IPS
remark Block Private IP's from reaching Internetn
deny 172.16.0.0 0.15.255.255
deny 192.168.0.0 0.0.255.255
permit any
!
control-plane
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
line vty 0 4
login
!
end

ISP Router2

hostname ISP2-Router
!
boot-start-marker
boot-end-marker
!
no aaa new-model
memory-size iomem 5
no ip icmp rate-limit unreachable
ip cef
!
no ip domain lookup
!
multilink bundle-name authenticated
!
archive
log config
hidekeys
!
ip tcp synwait-time 5
!
interface Loopback0
description DemoNet1-ISP2
ip address 60.10.10.1 255.255.255.0
!
interface Loopback1
description DemoNet2-ISP2
ip address 160.10.10.1 255.255.255.0
!
interface FastEthernet0/0
description Link to ISP1
ip address 10.150.15.2 255.255.255.224
speed 100
full-duplex
!
interface Serial0/0
no ip address
shutdown
clock rate 2000000
!
interface FastEthernet0/1
no ip address
shutdown
duplex auto
speed auto
!
interface Serial0/1
no ip address
shutdown
clock rate 2000000
!
interface FastEthernet1/0
description Link to CustomerSiteC
ip address 10.200.20.1 255.255.255.224
ip access-group BLK-PRV-IPS in
speed 100
full-duplex
!
router bgp 102
no synchronization
bgp log-neighbor-changes
network 10.200.20.0 mask 255.255.255.224
network 60.10.10.0 mask 255.255.255.0
network 160.10.10.0 mask 255.255.255.0
neighbor 10.150.15.1 remote-as 101
no auto-summary
!
ip forward-protocol nd
!
no ip http server
no ip http secure-server
!
ip access-list standard BLK-PRV-IPS
remark Block Private IP's from reaching Internetn
deny 172.16.0.0 0.15.255.255
deny 192.168.0.0 0.0.255.255
permit any
!
control-plane
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
line vty 0 4
login
!
end


RIP Router

hostname RIP-Router
!
boot-start-marker
boot-end-marker
!
no aaa new-model
memory-size iomem 5
no ip icmp rate-limit unreachable
ip cef
!
no ip domain lookup
!
multilink bundle-name authenticated
!
archive
log config
hidekeys
!
ip tcp synwait-time 5
!
interface FastEthernet0/0
ip address 172.16.64.1 255.255.240.0
duplex auto
speed auto
!
interface Serial0/0
description Link to ABR-Router
ip address 192.168.100.10 255.255.255.252
encapsulation ppp
clock rate 2000000
!
interface FastEthernet0/1
no ip address
shutdown
duplex auto
speed auto
!
interface FastEthernet1/0
no ip address
shutdown
duplex auto
speed auto
!
interface FastEthernet2/0
!
interface FastEthernet2/1
!
interface FastEthernet2/2
!
interface FastEthernet2/3
!
interface FastEthernet2/4
!
interface FastEthernet2/5
!
interface FastEthernet2/6
!
interface FastEthernet2/7
!
interface FastEthernet2/8
!
interface FastEthernet2/9
!
interface FastEthernet2/10
!
interface FastEthernet2/11
!
interface FastEthernet2/12
!
interface FastEthernet2/13
!
interface FastEthernet2/14
!
interface FastEthernet2/15
!
interface Vlan1
no ip address
shutdown
!
router rip
version 2
network 172.16.0.0
network 192.168.100.0
no auto-summary
!
ip forward-protocol nd
ip route 0.0.0.0 0.0.0.0 192.168.100.9
!
no ip http server
no ip http secure-server
!
control-plane
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
line vty 0 4
login
!
end


SiteA Router

hostname SiteA-Router
!
boot-start-marker
boot-end-marker
!
no aaa new-model
memory-size iomem 5
no ip icmp rate-limit unreachable
ip cef
!
no ip domain lookup
!
multilink bundle-name authenticated
!
archive
log config
hidekeys
!
ip tcp synwait-time 5
!
interface FastEthernet0/0
ip address 172.16.16.1 255.255.240.0
duplex auto
speed auto
!
interface Serial0/0
description Uplink to ABR-Router
ip address 192.168.100.2 255.255.255.252
encapsulation ppp
clock rate 2000000
!
interface FastEthernet0/1
no ip address
shutdown
duplex auto
speed auto
!
interface FastEthernet1/0
no ip address
shutdown
duplex auto
speed auto
!
interface FastEthernet2/0
!
interface FastEthernet2/1
!
interface FastEthernet2/2
!
interface FastEthernet2/3
!
interface FastEthernet2/4
!
interface FastEthernet2/5
!
interface FastEthernet2/6
!
interface FastEthernet2/7
!
interface FastEthernet2/8
!
interface FastEthernet2/9
!
interface FastEthernet2/10
!
interface FastEthernet2/11
!
interface FastEthernet2/12
!
interface FastEthernet2/13
!
interface FastEthernet2/14
!
interface FastEthernet2/15
!
interface Vlan1
no ip address
!
router ospf 100
log-adjacency-changes
network 172.16.16.0 0.0.15.255 area 1
network 192.168.100.0 0.0.0.3 area 1
!
ip forward-protocol nd
ip route 0.0.0.0 0.0.0.0 192.168.100.1
!
no ip http server
no ip http secure-server
!
control-plane
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
line vty 0 4
login
!
end


SiteB Router

hostname SiteB-Router
!
boot-start-marker
boot-end-marker
!
no aaa new-model
memory-size iomem 5
no ip icmp rate-limit unreachable
ip cef
!
no ip domain lookup
!
multilink bundle-name authenticated
!
archive
log config
hidekeys
!
ip tcp synwait-time 5
!
interface FastEthernet0/0
ip address 172.16.32.1 255.255.240.0
duplex auto
speed auto
!
interface Serial0/0
description Uplink to ABR-Router
ip address 192.168.100.6 255.255.255.252
encapsulation ppp
clock rate 2000000
!
interface FastEthernet0/1
no ip address
shutdown
duplex auto
speed auto
!
interface FastEthernet1/0
no ip address
shutdown
duplex auto
speed auto
!
interface FastEthernet2/0
!
interface FastEthernet2/1
!
interface FastEthernet2/2
!
interface FastEthernet2/3
!
interface FastEthernet2/4
!
interface FastEthernet2/5
!
interface FastEthernet2/6
!
interface FastEthernet2/7
!
interface FastEthernet2/8
!
interface FastEthernet2/9
!
interface FastEthernet2/10
!
interface FastEthernet2/11
!
interface FastEthernet2/12
!
interface FastEthernet2/13
!
interface FastEthernet2/14
!
interface FastEthernet2/15
!
interface Vlan1
no ip address
!
router ospf 100
log-adjacency-changes
network 172.16.32.0 0.0.15.255 area 2
network 192.168.100.4 0.0.0.3 area 2
!
ip forward-protocol nd
ip route 0.0.0.0 0.0.0.0 192.168.100.5
!
no ip http server
no ip http secure-server
!
control-plane
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
line vty 0 4
login
!
end


SiteC VPN Router

hostname SiteC-VPN
!
boot-start-marker
boot-end-marker
!
no aaa new-model
memory-size iomem 5
no ip icmp rate-limit unreachable
ip cef
!
no ip domain lookup
!
multilink bundle-name authenticated
!
archive
log config
hidekeys
!
crypto isakmp policy 1
authentication pre-share
lifetime 84600
crypto isakmp key cisco12345 address 10.100.10.2
!
crypto ipsec transform-set myset ah-sha-hmac esp-des esp-sha-hmac
mode transport
!
crypto map mymap local-address FastEthernet0/0
crypto map mymap 1 ipsec-isakmp
set peer 10.100.10.2
set transform-set myset
match address 101
!
ip tcp synwait-time 5
!
interface Tunnel1
bandwidth 180
ip address 192.168.200.2 255.255.255.252
tunnel source 10.200.20.2
tunnel destination 10.100.10.2
crypto map mymap
!
interface FastEthernet0/0
description Link to ISP2
ip address 10.200.20.2 255.255.255.224
ip nat outside
ip virtual-reassembly
speed 100
full-duplex
crypto map mymap
!
interface FastEthernet0/1
description SiteC Lan
ip address 172.16.48.1 255.255.240.0
ip nat inside
ip virtual-reassembly
speed 100
full-duplex
!
interface FastEthernet1/0
!
interface FastEthernet1/1
!
interface FastEthernet1/2
!
interface FastEthernet1/3
!
interface FastEthernet1/4
!
interface FastEthernet1/5
!
interface FastEthernet1/6
!
interface FastEthernet1/7
!
interface FastEthernet1/8
!
interface FastEthernet1/9
!
interface FastEthernet1/10
!
interface FastEthernet1/11
!
interface FastEthernet1/12
!
interface FastEthernet1/13
!
interface FastEthernet1/14
!
interface FastEthernet1/15
!
interface Vlan1
no ip address
!
router eigrp 65
network 172.16.0.0
network 192.168.200.0
auto-summary
!
ip forward-protocol nd
ip route 0.0.0.0 0.0.0.0 10.200.20.1
!
no ip http server
no ip http secure-server
ip nat pool ovrld 10.200.20.5 10.200.20.9 prefix-length 27
ip nat inside source list 7 pool ovrld overload
!
access-list 7 permit 172.16.48.0 0.0.15.255
access-list 101 permit gre host 10.200.20.2 host 10.100.10.2
!
control-plane
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
line vty 0 4
login
!
!
end