Bind slave zone not updating


29-Jul-2020 19:27

Without any notifies being received at all, named will periodically instigate a zone refresh for a slave - which means that it will send SOA queries to the servers in the list to see if it can find one that returns an SOA with a larger serial number than the one currently being served by the slave.

The servers are queried in turn - named moves on to the next server in the list if either: On the first SOA received that is bigger than the one than the slave is currently serving, then named will initial a zone transfer with that server.

I then ran the update command on the slave server and then cat'd the zone file on the slave and saw nothing had changed.

No, but I just did it manually (I went into the zone file, then incremented the number that is before the "; serial" text in the file.

www IN A 192.168.1.100 ftp IN A 192.168.1.100 [[email protected] ~]# named-checkzone /var/named/for zone elinuxbook.com/IN: loaded serial 2010031403 OK [[email protected] ~]# named-checkzone /var/named/rev zone elinuxbook.com/IN: loaded serial 2010031402 OK [[email protected] ~]# yum -y install bind Loaded plugins: fastestmirror, refresh-packagekit, security Setting up Install Process Loading mirror speeds from cached hostfile * base: centos.* extras: centos.* updates: centos.Resolving Dependencies -- Finished Dependency Resolution Dependencies Resolved ================================================================================ Package Arch Version Repository Size ================================================================================ Installing: bind x86_64 32:9.8.2-0.47.rc1.el6_8.3 updates 4.0 M Updating for dependencies: bind-libs x86_64 32:9.8.2-0.47.rc1.el6_8.3 updates 890 k bind-utils x86_64 32:9.8.2-0.47.rc1.el6_8.3 updates 187 k Transaction Summary ================================================================================ Install 1 Package(s) Upgrade 2 Package(s) Total download size: 5.0 M Downloading Packages: (1/3): bind-9.8.2-0.47.rc1.el6_8.3.x86_64| 4.0 MB (2/3): bind-libs-9.8.2-0.47.rc1.el6_8.3.x86_64| 890 k B (3/3): bind-utils-9.8.2-0.47.rc1.el6_8.3.x86_64| 187 k B ------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Total 130 k B/s | 5.0 MB Running rpm_check_debug Running Transaction Test Transaction Test Succeeded Running Transaction Updating : 32:bind-libs-9.8.2-0.47.rc1.el6_8.3.x86_64 1/5 Updating : 32:bind-utils-9.8.2-0.47.rc1.el6_8.3.x86_64 2/5 Installing : 32:bind-9.8.2-0.47.rc1.el6_8.3.x86_64 3/5 Cleanup : 32:bind-utils-9.8.2-0.47.rc1.el6.x86_64 4/5 Cleanup : 32:bind-libs-9.8.2-0.47.rc1.el6.x86_64 5/5 Verifying : 32:bind-utils-9.8.2-0.47.rc1.el6_8.3.x86_64 1/5 Verifying : 32:bind-libs-9.8.2-0.47.rc1.el6_8.3.x86_64 2/5 Verifying : 32:bind-9.8.2-0.47.rc1.el6_8.3.x86_64 3/5 Verifying : 32:bind-libs-9.8.2-0.47.rc1.el6.x86_64 4/5 Verifying : 32:bind-utils-9.8.2-0.47.rc1.el6.x86_64 5/5 Installed: bind.x86_64 32:9.8.2-0.47.rc1.el6_8.3 Dependency Updated: bind-libs.x86_64 32:9.8.2-0.47.rc1.el6_8.3 bind-utils.x86_64 32:9.8.2-0.47.rc1.el6_8.3 Complete!

we have installed all required Packages, Now we need to configure the main configuration file of Slave/Secondary DNS Server i.e.

// // See /usr/share/doc/bind*/sample/ for example named configuration files.

bind slave zone not updating-40

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; Instead, copy it, edit named.conf, and use that copy. I am not sure what is happening here to be your syslog as you restart the service, if you're lucky it'll give you some you've modified a dynamic zone in some way recently or in the past that broke syncronization you can resync by removing the file jnl and restarting named. I then changed the number that was after the "; serial" text and then updated the zones from the slave server and there was still nothing there in the zone file.I know it's not quite right because if I do $ORIGIN .

Slave/Secondary DNS Server is a server which is like a Load balancer or Backup server of Master/Primary DNS Server, Its takes all DNS query Records/Zones from Master Server.

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