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Huawei OLT how to Add into U2000 NMS

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Huawei OLT SNMP parameters snmp-agent syntax enable snmp-agent sys-info version v2c             snmp-agent community read public1234 snmp-agent community write private1234 snmp-agent target-host trap-hostname NMSRV address 192.168.16.200 udp-port 162 trap-paramsname NMS                  snmp-agent target-host trap-paramsname NMS v2C securityname NMS snmp-agent trap enable standard      snmp-agent trap-format standard snmp-agent trap source vlanif 991
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How to configure NTP server

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How to Install NTP Using Chrony in RHEL 8 NTP (Network Time Protocol) is a protocol which runs over port 123 UDP. NTP synchronize clients time and date with a master server. Chrony is a default NTP client as well as an NTP server on Red Hat Enterprise Linux 8. Service name = chronyd Install chrony on system # dnf install chrony -y # yum install chrony -y Now start the chronyd service, enable it to auto start at system boot and verify the running status: # systemctl start chronyd # systemctl status chronyd # systemctl enable chronyd Now Configure NTP Server Using Chrony: set up your RHEL 8 server a master NTP time server. Open the /etc/chrony.conf: # vim /etc/chrony.conf Now search for the “allow” configuration directive and uncomment it and set the network addresses from which the clients are allowed: #allow 192.168.0.0/16 now save and exit Restart the chronyd service # systemctl restart chronyd Now op...
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How to install caching only dns server on Rhel 8 / Centos 8

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