Questions tagged [dhcp]

For questions about DHCP in in relation to network devices. For instance, you are setting up DHCP on a layer 3 switch.

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Find IP Address of Cisco 2811

I'm trying to configure the phone configuration on my business' Cisco 2811 router. Without buying a bunch of dongles and connecting through the console port of the router, I'd like to try to SSH or ...
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1answer
5k views

Wireless (Ruckus) and Dynamic VLAN Assignment via Microsoft NPS

Our current 802.11 setup has a large number of SSIDs to segregate traffic by subnet. This isn't ideal, and I've been attempting to consolidate to a single SSID but use dynamic VLANs instead. This is ...
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1answer
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Create separated vlans for static vs dhcp — Cisco ASA 5505

I my current setup is as follows: Cisco ASA port 1 | internet | outside | vlan2 Cisco ASA port 2 | intranet | inside | vlan1 - dhcp 10.1.10.100 - 254 This is what I am attempting to accomplish: ...
3
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1answer
1k views

Setting up a guest network with isolation

Many of the wireless access points and routers now come with guest based access. However, they place the users on the same network as the private network giving them access to everything. Do I need a ...
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2answers
4k views

Ruckus ZoneDIrector frequently issues new IP addresses

We have a ZoneDirector 1100 appliance with 8 access points. Our software engineers are accessing the network via DHCP-provisioned IP addresses. Normally, whatever IP they land on is irrelevant to ...
10
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3answers
3k views

SRX DHCP client compatibility with HP Procurve DHCP Relay

I am trying to bootstrap the config on some Juniper SRX100s and am having some DHCP issues. Specifically, I am connecting the 0/0 port (fe-0/0/0 in the software) to my existing network, where DHCP ...
6
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1answer
9k views

Specific DHCP pool on specific interface - IOS

Is it possible for a specific interface to only allow access to specific dhcp pools? This is assuming a cisco router(IOS) with dhcp server capabilities. E.g. For some router, hosts on fa0/0 can ...
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3answers
1k views

DHCP Relay by MAC Address of CPE

We are testing a new Provisioning Server in DOCSIS/CMTS environment and we need to setup a lab with 5 models of CPE. I'm wondering if we can configure on Cisco Routers the dhcp relay (ip helper) ...
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2answers
2k views

Some question about the relationship between VLAN , DHCP and subnet

I am new here and very interested in computer networks. From a book, I have some questions, for which I need help. question1: Can there be only one working DHCP server in one VLAN? question2: Can ...
10
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3answers
2k views

DHCP assign IP address based on MAC address with Cisco CE 500 platform?

I have very little knowledge about CISCO and its switches, but now I have to configure it myself. Is it possible to allot IP address based on MAC address on CISCO CE 500 (Cisco Catalyst Express 500-...
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3answers
2k views

Where to properly put the DHCP server? [closed]

In a network that's being designed to provide wireless and wired access in a library, where there will be more or less 50 users at the same time... Where would be better to handle the DHCP requests? ...
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4answers
40k views

How are two “ip helper-address” statements handled?

I've discovered a subnet with two "ip helper-address" statements. This is not our normal configuration. interface Vlan300 ip address 10.1.3.2 255.255.255.0 ip helper-address 10.2.1.10 ip helper-...

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