Shiraz Baig wrote:
Sir, Mr Ed Greshko has reminded me about academic questions. I agree with him. But it is not purely an academic question, as would be clear from following real life situation of my office. BTW, I have read, everything about ARP, MAC address and how things work on wire. But I thought, I must also also ask experts.
Here is the configuration that we have in our office.
This configuration is also working.
Switch
_______________
| | | | |
| | | | ---- DSL Router ---- Internet
| | | | 203.147.175.12
| | | |
| | | ----------Mail Server (multihomed)
| | | 203.147.175.13
| | | 192.168.10.3
| | |
| | -------- 192.168.10.4
| ----------- 192.168.10.5
---------------- Hub & computers of address 192.168.10.*
You see, there are two class C networks. One is that
of 203.147.175.0
The other is 12.168.10.0. Both these networks are
passing thru same switch.
I just wanted to be sure that there is nothing wrong with this configuration. So, I would request your comments please.
Things keep changing. No longer is this an "academic exercise" it seems now to be a "free consulting" exercise. :-)
Your question shouldn't be "can I do this" but "even if I could, should I do this".
As a practical matter you don't want to do what you've diagramed. At the very least you'd be better served by:
Switch
_______________
| |
| ---- DSL Router ---- Internet
| 203.147.175.12
|
----------203.147.175.13
|
|
Mail Server & Firewall (multihomed)
|
|
192.168.10.3
|
|
------------
Switch |
_______________|____
| | |
| | |
| | |
| | |
| | |
| | |
| | |
| | |
| | -------- 192.168.10.4
| ----------- 192.168.10.5
---------------- Hub & computers of address
192.168.10.*
Kindly excuse the poor ASCII art. I was never very good at it.
-- "A common mistake that people make when trying to design something completely foolproof was to underestimate the ingenuity of complete fools."
--Ford Prefect in "Mostly Harmless".
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