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New Member

LMS 3.2 Discovery Display name question

Hi,

We are running Cisco LMS 3.2, when doing a discovery it resolves the IP address of the switch but not the hostname. The switches are discovered but the display name doesnt show the hostmname. We dont use put our switches on DNS, how do i ensure that the display name is the hostname? (i.e. hostname on the switch config)

I have tried various options when doing discovery but none of them will show the hostname as the display name. The discovery is being done through Layer 2 CDP

1 ACCEPTED SOLUTION

Accepted Solutions
Cisco Employee

Re: LMS 3.2 Discovery Display name question

The file is in C:\WINDOWS\system32\drivers\etc. There are some example entries already in there. Essentially, an entry will look like:

10.1.1.1 my-router.domain.com

6 REPLIES
Cisco Employee

Re: LMS 3.2 Discovery Display name question

You will need to either put your switches' IP addresses in DNS, or add entries to the LMS server's local hosts file so that the address resolution can be performed.

New Member

Re: LMS 3.2 Discovery Display name question

Thanks for that, however "add entries to the LMS server's local hosts file" , could you please let me know how exactly i do this? I found the hosts file c:/windows/drivers/etc but im not sure what exactly i need to add and to which file. thanks in advance.

Cisco Employee

Re: LMS 3.2 Discovery Display name question

The file is in C:\WINDOWS\system32\drivers\etc. There are some example entries already in there. Essentially, an entry will look like:

10.1.1.1 my-router.domain.com

New Member

Re: LMS 3.2 Discovery Display name question

Thanks, adding entries to the hosts file has fixed the issue for most devices.

New Member

Re: LMS 3.2 Discovery Display name question

Joe,

I am resolving names to ip address but not ip address to names if I did an NSlookup. Is this a setting within DNS? Do i need to set up a whole reverse zone?

My problem is the same as what is in this post except none of my devices are resolved in device discovery. They are all ip address. They are all in DNS as well. I can resolve "nslookup hostname" but not the other way around for all devices.

Cisco Employee

Re: LMS 3.2 Discovery Display name question

Yes, you will need to setup a reverse zone (i.e. create PTR records to map IP to name). Discovery has to be able to resolve IPs to hostnames.

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