Re: Cannot ping between two hosts

What device are you using to configure your vLANs?

Likely your switch, right?

Switches can do “bridging” too.

I would “look there”, if you feel that some bridging is happening that your switch is facilitating.

Without a network map, I don’t see how I can help.

It sounds like u got a lot going on. A lot of networks. Try simplifying.

YOU can do this.

Bill

Sent from my iPhone

> On Jan 25, 2022, at 7:43 AM, Vieri Di Paola <[email protected]> wrote:
> 
> On Tue, Jan 25, 2022 at 1:21 AM William Papolis <[email protected]> wrote:
>> 
>> This isn't a "Shorewall" issue.
>> 
>> It's an "IP ROUTING" issue.
>> 
>> Look at my last response.
> 
> Shorewall also sets network system parameters such as arp filtering,
> ip routing, etc.
> So this could be a "Shorewall issue" because Shorewall changes some of
> these network parameters. It also handles routing tables and routing
> rules.
> 
> In any case, you describe a general situation, but I'm giving details
> on a very specific issue.
> I appreciate your time, but I need to figure out why I'm seeing this
> odd behavior.
> 
> Since you do not seem to be using Shorewall but iptables and system
> tools, I was wondering if you could share the name of a could "general
> purpose" Linux networking forum or mailing list. I once subscribed to
> the netfilter ML, but it was overwhelming.
> If you have any suggestions as to where I might explain the issue I'm
> seeing in this topic, I'd appreciate it.
> 
> Thanks,
> 
> Vieri
> 
> 
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