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Cisco base WAN config trouble

Last Modified: 2012-05-09

I have some trouble to configure my WAN isp for my cisco 881 router.

My wan isp is a dedicated site to site dsl (internal isp networking, I don't have internet access on it).

My isp provide my a standard dsl with a static IP address which is /24.

My wan interface IP is /24 and the default gateway is of course /24.

I have one vlan which is vlan 20 : /24

My issue is that when I'm connected to my vlan 20, I'm able to successfully ping but I can't ping which I should.

I don't need nat nor firewall. I only need a direct link to my other office.

There is a copy of my running config.

I don't know if I should create some ACL ..

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