Kada se pojavi novi klijent i DHCP treba da azurira DNS on doda novog klijenta ali i poremeti staticke unose tako sto im doda TTL i oni nakon odredjenog vremena nestanu iz DNS-a. Kako da rucni unosi u DNS budu izuzeti od azuriranja?
Ovo je stanje pre prvog dhcp klijenta:
Code:
$ORIGIN .
$TTL 38400 ; 10 hours 40 minutes
zona.local IN SOA fs.zona.local. it.mail. (
1257505354 ; serial
10800 ; refresh (3 hours)
3600 ; retry (1 hour)
604800 ; expire (1 week)
38400 ; minimum (10 hours 40 minutes)
)
NS fs.zona.local.
$ORIGIN zona.local.
dcc A 10.10.1.5
db A 10.10.1.2
fs A 10.10.1.1
ftp A 10.10.1.3
backup A 10.10.1.4
$ORIGIN .
$TTL 38400 ; 10 hours 40 minutes
zona.local IN SOA fs.zona.local. it.mail. (
1257505354 ; serial
10800 ; refresh (3 hours)
3600 ; retry (1 hour)
604800 ; expire (1 week)
38400 ; minimum (10 hours 40 minutes)
)
NS fs.zona.local.
$ORIGIN zona.local.
dcc A 10.10.1.5
db A 10.10.1.2
fs A 10.10.1.1
ftp A 10.10.1.3
backup A 10.10.1.4
a ovo je kad se doda klijent:
Code:
$ORIGIN .
$TTL 38400 ; 10 hours 40 minutes
zona.local IN SOA fs.zona.local. it.mail. (
1257505354 ; serial
10800 ; refresh (3 hours)
3600 ; retry (1 hour)
604800 ; expire (1 week)
38400 ; minimum (10 hours 40 minutes)
)
NS fs.zona.local.
$ORIGIN zona.local.
dcc A 10.10.1.5
db A 10.10.1.2
fs A 10.10.1.1
ftp A 10.10.1.3
$TTL 1800 ; 30 minutes
dell A 10.10.3.255
TXT "31067fcbd0c851a5eb60082067fedff0d8"
$TTL 38400 ; 10 hours 40 minutes
backup A 10.10.1.4
$ORIGIN .
$TTL 38400 ; 10 hours 40 minutes
zona.local IN SOA fs.zona.local. it.mail. (
1257505354 ; serial
10800 ; refresh (3 hours)
3600 ; retry (1 hour)
604800 ; expire (1 week)
38400 ; minimum (10 hours 40 minutes)
)
NS fs.zona.local.
$ORIGIN zona.local.
dcc A 10.10.1.5
db A 10.10.1.2
fs A 10.10.1.1
ftp A 10.10.1.3
$TTL 1800 ; 30 minutes
dell A 10.10.3.255
TXT "31067fcbd0c851a5eb60082067fedff0d8"
$TTL 38400 ; 10 hours 40 minutes
backup A 10.10.1.4