Questions tagged [scope]

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Moving from split-scope to failover mode in a dhcp cluster

I have 2 DHCP servers (one in each site) , current configuration is split-scope (ranged .10 to .125 on the first site , and ranged .126 to .249 on the second one) I want to move to an active active (...
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0 answers
104 views

single scope Linux DHCP with Microsoft DHCP failover and load balancing

Is it possible to run a Linux DHCP server along side a Microsoft DHCP that can be load balanced with failover? I know you can split the scope but wondering if it possible in a single scope.
0 votes
1 answer
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Granting OU-limited read AND write admin privileges to On-Premises Exchange Server 2016

I've successfully created a limited Management role, and assigned a user to it, that allows a junior admin only two things via the ECP web page: -- Reset passwords in a particular Org Unit -- Create ...
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1 answer
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systemd: Scope vs Service

The man page for scope says: Unlike service units, scope units manage externally created processes, and do not fork off processes on its own. On my RHEL server, I can see that gdm belongs to the ...
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1 answer
2k views

Windows Server Internet Working But not domain PC'S

Our school has all of there servers, etc... setup already. I have installed Microsoft Windows Server 2012 r2 on a spare laptop. Our class teacher is wanting to setup a domain just for the users in our ...
4 votes
1 answer
7k views

IPv6 address lifetime: preferred versus valid lease

What is the difference between "Preferred Life Time" and "Valid Life Time" lease. What is the point of preferred and why not just use valid life time lease? Thanks.
0 votes
0 answers
527 views

Scope reconfiguration - decreasing subnet mask and ip range

i've been asked to change my subnet mask on our network from a 255.255.0.0 to a 255.255.255.0 (we are using DHCP and are using windowsServer 2012). - this should not be an issue for the number of ...
2 votes
3 answers
51k views

Configuring DHCP for two separate subnets in same lan

I have 192.168.1.0/24 network right now. As number of users growing this is getting difficult to manage them. Hence I added one DHCP server in network with two scopes. One is for 192.168.1.0/24 & ...
0 votes
1 answer
3k views

WS2012 RDP IP-whitelist not working

I'm running Windows Server 2012 with newest updates etc. We've at all times restricted our RDP with a whitelist with IP in the Scope properties of the Remote Desktop - User-mode rule inside the ...
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1 answer
307 views

ipv6 : why ndp resolves to global scope address?

I'm facing a strange ipv6 behavior and I don't know how to solve it because I'm not familiar with ipv6. Maybe this behavior is normal. I hope that you will help me. ( I'm running under debian 6.0.9 ...
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0 votes
1 answer
422 views

cmd: create dhcp superscope

On Windows Server 2008 (R1, 32-Bit) I've got that far to create a superscope on the command line via cmd, not PowerShell (yay!) through netsh dhcp server \\SERVER scope IP.ADD.RE.SS set superscope ...
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5 votes
2 answers
8k views

Have DHCP use different scopes based on MAC address using Server 2012

I'd like my Windows 2012 DHCP server to give ShoreTel phones IP addresses from one scope, and everything else IP addresses from another scope. For example, I'd like to give phones IPs from 192.168....
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1 answer
440 views

DHCP Reservation being ignored in Windows 2008 R2

I have multiple scopes on my dhcp server. 192.168.10.x and 192.168.20.x I have reservations for certain mac addresses on the 192.168.10.x network. However occasionally they will pull 192.168.20.x ...
0 votes
3 answers
689 views

DHCP Reservation

I've been having problems with a few statements I've been reading. When setting up DHCP Reservation based on MAC addresses... Do the reserved IP's need to be in one of the scopes or not? Judging from ...
2 votes
2 answers
1k views

How to configure DHCP to assign devices to subnets?

I have Windows 2008 R2. There are three classes of devices on our network- IP phones, Handheld (WM5 & 6) devices, and everything else (Computer, printers, servers). I use 2 Cisco Catalyst switches ...
1 vote
2 answers
16k views

Windows DHCP server with multiple scopes - which will be used

I have a Win 2k3 server with DHCP running on a subnet with no VLAN, and 5 scopes (each with a different subnet). I have 4 VLAN's and a router that does DHCP relay to that server from each vlan. I ...
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2 votes
1 answer
244 views

Configuring a new DHCP scope in Server 2008 R2

As I was running through the scope wizard in DHCP for Windows Server 2008 R2, the wording on the wizard was slightly confusing: it seems to imply that changes I make to the default gateway and DNS ...
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-1 votes
3 answers
8k views

Windows 2008 R2 DHCP for two scope on two interfaces

I'm setting up a brand new DHCP Server over Windows 2008 R2 Standard edition server, and I'm planning to serv two differents lan with this one. Here is my configuration: 1 AD/DNS/DHCP Server with ...
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1 vote
4 answers
2k views

Increasing the DHCP range for a SonicWall Pro 300

Given a LAN with default gateway of 10.5.1.1 and subnet of 255.255.0.0 The DHCP range is currently set in the range of 10.5.2.1 to 10.5.3.254 The 10.5.1.x range is reserved for static IP's. I want ...
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1 vote
4 answers
2k views

DHCP helper with a single subnet and multiple scopes

First, a little bit about what we're trying to do. We are migrating from being multiple LANs (multiple subnets) connected over slow VPN links to a single MAN (single subnet) connected with gigabit ...
4 votes
1 answer
2k views

Assign DHCP IPs for specific MAC prefixes on Windows Server 2008 R2

I'm running Windows Server 2008 R2 for my DHCP server. We are about to switch over to a VoIP system and Cisco VoIP phones. I would like to assign a specific range of IPs to these phones which will ...
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55 votes
6 answers
118k views

bash: variable loses value at end of while read loop

I have a problem in one of my shell scripts. Asked a few colleagues, but they all just shake their heads (after some scratching), so I've come here for an answer. According to my understanding the ...
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0 votes
5 answers
952 views

Windows 2008 Firewall IP Range

I've got a port exception that I've added to Windows Firewall. And under Scope, I'm able to add specific IP addresses allowed, each separated by a comma. The problem is, how can I enter a range of ...
3 votes
4 answers
14k views

Split your DHCP scope among multiple servers?

I want to implement a redundancy solution. I have two subnets all windows XP machines - each with their own DHCP server - joined by a bridge. Currently - all machines get DHCP leases from the one ...
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