05-16-2021 02:27 AM
Hi, doing a school project with Cisco Packet Tracer. For some odd reason, I am unable to ping my PT servers despite having implemented OSPF in my 3 routers. Only HQ and Branch can ping the HQ & Branch Servers and Internet User and ISP can ping Web Server. But my PC1 and 2 cannot ping all 3 servers for some odd reason that I'm unsure of any idea what I went wrong?
The Ip address goes.
Routers:
HQ
g0/0/0.10 - 10.0.1.1 255.255.255.0
g0/0/0.20 - 10.0.0.1 255.255.255.0
Se0/1/0 - 200.0.0.14 255.255.255.240
OSPF Config:
router ospf 1
router-id 1.1.1.1
log-adjacency-changes
network 200.0.0.0 0.0.0.15 area 0
network 10.0.0.0 0.255.255.255 area 0
network 0.0.0.0 255.255.255.255 area 0
Branch
g0/0/0 - 10.2.0.1 255.255.255.0
g0/0/1 - 10.1.0.1 255.255.255.0
Se0/0/1 - 200.0.0.30 255.255.255.240
OSPF config:
router ospf 1
router-id 2.2.2.2
log-adjacency-changes
network 10.1.0.0 0.0.0.255 area 0
network 10.2.0.0 0.0.0.255 area 0
network 200.0.0.16 0.0.0.15 area 0
network 0.0.0.0 255.255.255.255 area 0
default-information originate
ISP
g0/0/0 - 200.0.1.1 255.255.255.0
Se0/1/0 - 200.0.0.1 255.255.255.240
Se0/0/1 - 200.0.0.17 255.255.255.240
Router OSPF:
router ospf 1
router-id 3.3.3.3
log-adjacency-changes
network 200.0.1.0 0.0.0.255 area 0
network 200.0.0.0 0.0.0.15 area 0
network 200.0.0.16 0.0.0.15 area 0
network 0.0.0.0 255.255.255.255 area 0
PCs
PC1
Ip add - 10.0.1.6 255.255.255.0
default gateway - 10.0.1.1
PC2 -
Ip add - 10.2.0.2 255.255.255.0
default gateway - 10.2.0.1
Internet User -
Ip add - 200.0.1.2 255.255.255.0
default gateway - 200.0.1.1
PT-Servers
HQ Server
Ip add - 10.0.0.3 255.255.255.0
server default gateway - 10.0.0.2
default-gateway -10.0.0.1
BranchServer
Ip add - 10.1.0.3 255.255.255.0
server default gateway - 10.1.0.2
default-gateway - 10.1.0.1
Web Server
Ip add -200.0.1.4 255.255.255.0
server default gateway - 200.0.1.3
default-gateway - 200.0.1.1
Solved! Go to Solution.
05-19-2021 12:42 AM
Hello,
there were a couple of issues with your network, the most important being that the web server with IP address 200.0.1.4 had the wrong default gateway configured. Make sure that the default gateway is the IP address of the router, not that of any Vlan interface configured on a layer 2 switch (the HQ server at the bottom left had the same problem).
Also, your NAT was incomplete.
Review the attached, working file.
05-16-2021 10:01 AM
Hello
can you post the PT file please.
05-18-2021 09:00 PM
Hi Paul, sorry for the late reply.
Here's the file though some changes were made to the file by my grp mates such as the addition of NAT
ip nat pool HQNAT 200.0.0.2 200.0.0.14 netmask 255.255.255.240
ip nat pool HQNATOUTSIDE 200.0.0.18 200.0.0.30 netmask 255.255.255.240
ip nat inside source list 10 pool HQNAT overload
ip nat outside source list 10 pool HQNATOUTSIDE
ip classless
ip route 0.0.0.0 0.0.0.0 Serial0/1/0
05-19-2021 12:42 AM
Hello,
there were a couple of issues with your network, the most important being that the web server with IP address 200.0.1.4 had the wrong default gateway configured. Make sure that the default gateway is the IP address of the router, not that of any Vlan interface configured on a layer 2 switch (the HQ server at the bottom left had the same problem).
Also, your NAT was incomplete.
Review the attached, working file.
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