Static Network Route

[DoubleTapNY]

I need your help,

I am setting up a basic static route between two routers.  The pc's cannot ping each other.

• PC1 can ping Router 1 and Router 2
• PC2 can ping Router 2 and Router 1

WireShark on PC 1 sees the ping requests from PC 2, but PC1 does not reply.

WireShark on PC 2 sees the ping requests from PC 1, but PC2 does not reply.

PC1 10.10.10.1/24  gateway 10.10.10.2

PC2 10.10.20.1/24  gateway 10.10.20.2

Router 1 static route 10.10.20.0 255.255.255.0 10.10.200.2

Router 2 static route 10.10.10.0 255.255.255.0 10.10.200.1

Same situation even if I set Router 1's gateway of last resort to 0.0.0.0 0.0.0.0 10.10.200.2

Same situation even if I set Router 2's gateway of last resort to 0.0.0.0 0.0.0.0 10.10.200.1

[luis_cordova]

Hi @DoubleTapNY ,

Check that the PC's firewalls are down, since this will block the external network's ping.

Regards

[balaji.bandi]

If the sw 10.10.10.2  can ping 10.10.20.2 vice versa, as suggested new windows 7X  onwards have build in FW, disable that FW and try again and advise.

[DoubleTapNY]

Using Ubuntu 18.04

[luis_cordova · Accepted solution]

Hi @DoubleTapNY ,

Just to discard the theme of the firewall, check this link:

https://askubuntu.com/questions/6995/how-to-enable-ufw-firewall-to-allow-icmp-response

Regards

[DoubleTapNY]

Ubuntu 18.04 has the firewall on by default. Thank you so much for your suggestion and link.

[luis_cordova]

Hi @DoubleTapNY ,

I'm glad you could have solved your problem.
I congratulate you for your desire to learn.
If you have another question, just post it in the community.

Regards

[balaji.bandi]

If you using Linux :

Please post ifconfig output

try below command

#iptables -F

ping and advise

[Jaderson Pessoa]

@DoubleTapNY  hello,

I suggest test from each router if they can ping on gateways 

step 1: from r1: ping 10.10.20.2    (if ok, go step 2)

step 2: from pc 1 ping own gateway and do the same for pc 2  

PC1: ping 10.10.10.2

PC2: ping 10.10.20.2

If all results ok, check firewall on PC's

Obs: Certified that there arent any acl on switch blocking traffic either.

Thanks in advance

[DoubleTapNY]

Thank you all for your help!  It was the firewall.  I didn't realize Ubuntu 18.04 had the firewall on by default.  Turned it off and everything pings like it should.

DoubleTapNY