everything on the right of the College router is my inside network, i can ping outside (my classroom computer) College router is connected to the classroom router together with all the host PC, i put this command inside college to enable ping between the classroom pc and my network : ip nat inside source static tcp 192.168.100.1 80 192.168.102.1 8080 extendable but i get a duplicate address on the classroom router 192.168.102.1
here's my router config
Current configuration : 3385 bytes
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! Last configuration change at 14:35:28 UTC Tue Jun 16 2020
! NVRAM config last updated at 23:11:57 UTC Mon Jun 15 2020
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version 15.6
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
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hostname College
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boot-start-marker
boot-end-marker
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! card type command needed for slot/vwic-slot 0/2
enable password Admin
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no aaa new-model
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ip domain name College.com
ip cef
login block-for 60 attempts 2 within 60
no ipv6 cef
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multilink bundle-name authenticated
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voice-card 0
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license udi pid CISCO2911/K9 sn FJC2025A12N
license accept end user agreement
license boot module c2900 technology-package securityk9
license boot module c2900 technology-package uck9
license boot module c2900 technology-package datak9
hw-module pvdm 0/0
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username Admin password 0 Admin
username Toronto password 0 salut123
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redundancy
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bba-group pppoe global
virtual-template 1
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interface Embedded-Service-Engine0/0
no ip address
shutdown
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interface GigabitEthernet0/0
ip address 192.168.100.1 255.255.255.252
ip nat inside
ip virtual-reassembly in
ip ospf dead-interval 20
ip ospf hello-interval 5
duplex auto
speed auto
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interface GigabitEthernet0/1
no ip address
ip nat inside
ip virtual-reassembly in
ip ospf dead-interval 20
ip ospf hello-interval 5
duplex auto
speed auto
pppoe enable group global
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interface GigabitEthernet0/2
ip address dhcp
ip nat outside
ip virtual-reassembly in
ip ospf dead-interval 20
ip ospf hello-interval 5
duplex auto
speed auto
ospfv3 network non-broadcast
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interface Serial0/0/0
no ip address
shutdown
clock rate 2000000
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interface Serial0/0/1
no ip address
shutdown
clock rate 2000000
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interface Virtual-Template1
mtu 1492
ip address 192.168.101.1 255.255.255.252
peer default ip address pool Toronto
ppp authentication chap callin
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router ospf 1
network 192.168.100.0 0.0.0.3 area 0
network 192.168.101.0 0.0.0.3 area 0
network 192.168.102.0 0.0.0.255 area 0
default-information originate
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ip local pool Toronto 192.168.101.2
ip forward-protocol nd
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no ip http server
no ip http secure-server
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ip nat inside source list 1 interface GigabitEthernet0/2 overload
ip nat inside source static 192.168.100.1 192.168.102.1
ip ssh server algorithm encryption aes128-ctr aes192-ctr aes256-ctr
ip ssh client algorithm encryption aes128-ctr aes192-ctr aes256-ctr
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!
logging host 198.185.159.135
ipv6 ioam timestamp
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access-list 1 permit 192.168.3.0 0.0.0.255
access-list 1 permit 172.16.0.0 0.0.255.255
access-list 1 permit 172.18.0.0 0.0.255.255
access-list 1 permit 172.17.0.0 0.0.255.255
access-list 1 permit 192.168.101.0 0.0.0.255
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control-plane
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voice-port 0/1/0
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voice-port 0/1/1
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voice-port 0/3/0
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voice-port 0/3/1
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mgcp behavior rsip-range tgcp-only
mgcp behavior comedia-role none
mgcp behavior comedia-check-media-src disable
mgcp behavior comedia-sdp-force disable
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mgcp profile default
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gatekeeper
shutdown
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line con 0
logging synchronous
line aux 0
line 2
no activation-character
no exec
transport preferred none
transport output lat pad telnet rlogin lapb-ta mop udptn v120 ssh
stopbits 1
line vty 0 4
login
transport input none
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scheduler allocate 20000 1000
ntp server time-pnp.cisco.com
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end
