GRASS VALLEY KARRERA, Installation & Service Manual

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Installation & Service Manual
119
Unicast-SD sequence of events
1. IP Board issues a DHCP Request for option 6 (DNS IP) and option 15 (Domain Name)
2. DHCP Server responds with a DHCP Inform providing info for option 6 and 15
3. IP Board issues a DHCP ACK
4. IP Board takes the given DNS IP provided by the DHCP Server and issues a DNS query for the various
NMOS services (_nmos-register, _nmos-query)
5. DNS responds with the NMOS services information
6. IP Board registers with the highest priority NMOS Registry provided by the DNS
Example DHCP Configuration file for Linux dhcpd
Required fields
- domain-name-servers
- domain-name
IP Board
IP Board
DHCP Server
DNS Server
Media Switch
NMOS Registry
authoritative;
subnet 192.168.10.0 netmask 255.255.255.0 {
range 192.168.10.40 192.168.10.250;
option domain-name-servers 192.168.10.10;
option domain-name "gvswitcherlab.com";
option host-name "GVC.gvswitcherlab.com";
option subnet-mask 255.255.255.0;
option routers 192.168.10.255;
option broadcast-address 192.168.10.255;
default-lease-time 600;
max-lease-time 7200;
option dhcp-lease-time 3600;
option dhcp-rebinding-time 3600;
option dhcp-renewal-time 3600;
}