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raydhaMemberJul 04, 2013 at 9:20 pm #161857
We’ve 3 class C segment being used for production;
Subnet A: 192.168.1.0/24
Subnet B: 192.168.2.0/24 (isolated, no internet access)
Subnet C: 192.168.3.0/24 (Office LAN, Office Automation Servers)
DHCP on Subnet C is running out of IP addresses.
What we have in Subnet C:
1- DC, DNS, DHCP
2- Exchange Server
3- File Server (DFS)
5- Client Desktop/Laptop
6- Staging Servers Environment
Anyone can help me to plan the migration increase the DHCP range address?
I’ve thinking a few plan;
1- Supernetting (Resubnet)
as for Supernetting;
1- Change firewall MAP/NAT
2- Delete current DHCP scope & create with new subnet
3- Change IP/Subnet/Gw on static address machine
note : instead of 192.168.3.0/24(254 ip) change to 192.168.3.0/23 (512 ip)
new range will be : 192.168.2.1 – 192.168.3.254 subnet 255.255.254.0
1- how this will impact on the Domain controller?
2- how about exchange server/service?
3- what are other consideration?
as for Superscope;
1- DHCP server will require two connected NIC with different IP & subnet.
1- Add new superscope and add additional subnet to the superscope.
2- configure routing table to serve new subnet to access internet
note : instead of 192.168.3.0/24(254 ip) add additional to 192.168.4.0/23 (512 ip)
new range will be : 192.168.3.0 subnet 255.255.255.0 and 192.168.2.0 subnet 255.255.255.0 and
1- is this really work?
2- what are other consideration?
This is only a theory plan. I am not sure whether this will be the correct plan.
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