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Custom IPv4 DHCP Options
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07-17-2013 12:12 PM
Hey all,
I am very new to infoblox (really doing some integration with it and not a production admin for it).
Wondering where you guys normally store the DNS Suffix and the DNS Search Suffix in the IPv4 DHCP Options for a configured network. And if you guys do this at all for a specific network.
Do you use the "custom DHCP Options"?
Using the fqdn (81) string and domain-search (119) domain-list, respectively?
Wanting to use these options as a way to gather all the network configurations for new VM's coming online.
Thanks,
Chris
Re: Custom IPv4 DHCP Options
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07-19-2013 09:49 AM
Yes, Infoblox DDI provides 'custom DHCP options' for both IPv4 and IPv6.
So, to use 81 and 119 options at grid level, do the following:
- Login to the DDI appliance then go to Data Management > DHCP > Members
- Check the box to the right of the member and click on Edit
- Click on IPv4 DHCP Options
- Next to “Custom IPv4 DHCP Options”, click on + and add the entry that you care about. Option 81 and 119 are there.
if you just want to set it up for specific network, do the following:
- go to Data Management > IPAM, check the IPv4 network click on Edit > IPv4 DHCP Options
- Next to “Custom IPv4 DHCP Options”, click on + and add the entry that you care about. Option 81 and 119 are there.
Generally, you would set the
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11-08-2013 10:20 AM
Generally, you would set the domainname field which is an attribute of the network or range. The FQDN that is then passed by the client back to the server would include the hostname and domainname that it wants registered.
As for option 119, you would do that through the DHCP option array.
Re: Custom IPv4 DHCP Options
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03-16-2016 04:07 AM
Hi,
one query.
we have DHCP options set under Grid properties and all the networks defined under DHCP inherited the same options .
we changed the DHCP options for specific Networks under DHCP ( which are resrved for Voice) to update TFTP through DHCP.
we are now trying to add few more DNS suffixes to the existing DHCP options unders Grid properties.
could someone please confrim if this overwrites the existing voice IP subnets DHCP options? Thank you in advance
Thank you in advance