===== Create a /opt/netdb/data/devicelist.csv file

This file contains all of your switches and routers, and scraper options on
each device.  It is in csv format, so you can easily build your own parser from
another list of devices you already have.  We use big brother here and store all
the netdb options in that file, which is parsed in to this file.

Note: All of your devices must be listed by host name (no IPs here) and be in
DNS.  NetDB uses the hostname as the switchname for all reports, and not the
local name on the device.  You can add a search domain to your /etc/resolv.conf
file if you don't want to use FQDNs here.  If you have a small network, you
could add local host entries to /etc/hosts for all of your devices.

In short, IPs will not work here, you must have your switches defined with some
sort of hostname locally via /etc/hosts or via your DNS servers.

Device file format (each device on a line):
hostname[,arp,vrf-VRFNAME,nomac,forcessh,ipv6]

Note:
 - SSH is enabled and telnet is disabled by default in the netdb.conf config
   file.  You can override those settings on a per device basis with forcetelnet
   and forcessh.
 - By default, NetDB will try to pull the mac table from all devices in the file
 - If ,arp is appended, then NetDB will pull the arp table on a router
 - If ,vrf-VRFNAME is appended with arp, NetDB will pull the arp table
   from the vrf named VRFNAME
 - If ipv6 is appended, NetDB will pull the IPv6 Neighbor Table
 - If ,nomac is appended, NetDB will not try to pull the mac or int status
   data from the device (usefule for non-switching routers)
 - If you do not want to use FQDNs here, make sure the domain name for your devices
   is in your DNS search domain or use the local /etc/hosts file.
 - If your device is not a cisco device, you need to append devtype=XXX or change the
   default devtype setting in netdb.conf (see README for more info)

Sample devicelist.csv:
L2switch.yourdomain.com
L3Switch.yourdomain.com,arp,forcessh
L3SwitchWithVrfs.yourdomain.com,arp,vrf-perim,vrf-guest
: