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No ping to Default Gateway

CSCO10713903
Level 1
Level 1

Cordial greetings to all,

I have a Switch layer 3 with 2 VLANs. Vlan1:172.16.2.x/23 and Vlan2: 172.16.237.x/25.

Users on Vlan1 can make ping to default gateway 172.16.2.16 (Firewall). But users on Vlan2 Can't make ping to defaul gateway.

I proved to configure as gateway on internal interfece of Firewall the IP: 172.16.2.5(Switch) and then users on VLan2 can make ping to this default gateway, but this pc don't route the packets to Internet.(because the gateway points toward the interior)

That I make so that the users in Vlan2 can communicate with the Default Gateway and to leave to Internet?

That I have to make to solve this problem?

Switch IP: 172.16.2.5

Switch Gateway: 172.16.2.16

Thank you.

2 Replies 2

aslam
Level 3
Level 3

Hi,

You need to configure a static route on your firewall for the network 172.16.237.x/25 instead of the default gateway.

So on the firewall, configure the default gateway to point towards the internet. and add another route telling it to go to 172.16.2.5 for 172.16.237.x /25 network.

This should solve the routing issue you are facing.

HTH

Aslam.

Thank You,

Its answer was to us of much utility and solves our problem.

Again thank you very much,

Fernando López