[Samba] Default route mandatory on a Samba member server?

[Kees van Vloten]

Op 17-01-2023 om 14:22 schreef Rowland Penny via samba:
>
>
> On 17/01/2023 13:13, Kees van Vloten via samba wrote:
>>
>> Op 17-01-2023 om 14:02 schreef Rowland Penny via samba:
>>>
>>>
>>> On 17/01/2023 12:49, Peter Milesson via samba wrote:
>>>> Hi folks,
>>>>
>>>> Is a default route and gateway mandatory on a Samba member server?
>>>
>>> I would have thought they were mandatory on any computer, never mind 
>>> Samba.
>>
>> No, they are not required on any computer.
>>
>> It is just to give you access to other networks than your own. And in 
>> nearly al situations that is what you want.
>> You probably need internet access (i.e. default route/gw) to install 
>> samba (or do you have an apt-proxy in the local network?)...?
>>
>> - Kees
>>
>>>
>>>>
>>>> The AD DCs, the workstations and the Samba member server are on the 
>>>> same network segment. As the member server only serves files to the 
>>>> local network, I assume that neither gateway, nor default route are 
>>>> necessary. For updates, gateway and default route could be defined.
>>>
>>> I am struggling to understand why you wouldn't set them (or want 
>>> to), how is the computer supposed to connect to anything ?
>>>
>>> Rowland
>>>
>>>
>>
>
> Perhaps you could get away with not setting the gateway, but surely 
> you need to set the route ? Otherwise, how does the computer know 
> which network device to use (even if you only have one) and what 
> network to connect to.
>
> I have in the past had instances of no connection to my local network 
> when setting up a new machine and this always came down to the route 
> not being set.
>
> Rowland
>
>
With just an IP and subnet it will have access to the local network 
without issues, but you do have very limited connectivity and must make 
all required services available in the local network.
There are not many reasons to do something like this, performance is 
certainly not one of them.

- Kees.