Linuxアプリケーション開発ノート：linuxptpを配置して起動する（uuntu gPTP）
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参考文献:
http://linuxptp.sourceforge.net/
https://docs.fedoraproject.org/en-US/fedora/rawhide/system-administrators-guide/servers/Configuring_PTP_Using_ptp 4 l/
https://blog.csdn.net/fhxy_xzw/articale/details/79303132
https://packages.ubuntu.com/xenial/s390x/linuxptp/filelist
1、linuxptpをインストールする
3、README構成を参照する：
The default configration can be found in/etc/linuxptp/ptp 4 l.com.This the default.cfg provided by the up strem source.
2.Systemd services
The service ptp 4 l invokes ptp 4 l on eth 0 by default.To adjust the parameters，follow these steps:
1.create a directory/etc/system/system/ptp 4 l.service.d
2.place a file with its name ending in.conf there
3.put these line s into the file、with the parameters adjused to your needs：
[Service]ExecStart=Execstart=/usr/sbin/ptp 4 l-f/etc/linuxptp/ptp 4 l.co.1 nf-i eth 0
参考例：
//home/amine/linuxptp/gPT.cfg
.1AS example configration containing those atributes which the defaults. See the file，default.cfg，for the the the of available options.啯[global]gmCapable 1 priority 1 248 priority 2 248 logAnnounceInterval 0 logSync Interval -3 sync ReceiptTimeout 3 neigh borPropDelayThreth 80000 min_neighbor_propdelay -20000000 assiume_twoステップ 1 path_トレイenaboled 1フォロワーup_info 1 transport Specific 0 x 1 ptp_dst_mac 01:1 B:19:00:00 p 2 p_dst_mac 01:1 B:19:00 network_トラック L 2 delay_mechaism P 2 P
//etc/systemd/system/ptp 4 l.service.d/gPT.conf
私が設定したVLANカードが多いので、ptp 4 l.serviceの起動エラーを引き起こしました。修正しました。
http://linuxptp.sourceforge.net/
https://docs.fedoraproject.org/en-US/fedora/rawhide/system-administrators-guide/servers/Configuring_PTP_Using_ptp 4 l/
https://blog.csdn.net/fhxy_xzw/articale/details/79303132
https://packages.ubuntu.com/xenial/s390x/linuxptp/filelist
1、linuxptpをインストールする
sudo apt-get install linuxptpgit clone git://git.code.sf.net/p/linuxptp/code linuxptpcd linuxptp
cp configs/gPTP.cfg ./
vim gPTP.cfgp2p_dst_mac 01:1B:19:00:00:00neighborPropDelayThresh 80000
ptp_dst_mac 01:1B:19:00:00:003、README構成を参照する：
sudo vim /usr/share/doc/linuxptp/README.DebianThe default configration can be found in/etc/linuxptp/ptp 4 l.com.This the default.cfg provided by the up strem source.
2.Systemd services
The service ptp 4 l invokes ptp 4 l on eth 0 by default.To adjust the parameters，follow these steps:
1.create a directory/etc/system/system/ptp 4 l.service.d
2.place a file with its name ending in.conf there
3.put these line s into the file、with the parameters adjused to your needs：
[Service]ExecStart=Execstart=/usr/sbin/ptp 4 l-f/etc/linuxptp/ptp 4 l.co.1 nf-i eth 0
参考例：
//home/amine/linuxptp/gPT.cfg
.1AS example configration containing those atributes which the defaults. See the file，default.cfg，for the the the of available options.啯[global]gmCapable 1 priority 1 248 priority 2 248 logAnnounceInterval 0 logSync Interval -3 sync ReceiptTimeout 3 neigh borPropDelayThreth 80000 min_neighbor_propdelay -20000000 assiume_twoステップ 1 path_トレイenaboled 1フォロワーup_info 1 transport Specific 0 x 1 ptp_dst_mac 01:1 B:19:00:00 p 2 p_dst_mac 01:1 B:19:00 network_トラック L 2 delay_mechaism P 2 P
//etc/systemd/system/ptp 4 l.service.d/gPT.conf
[Service]
ExecStart=
ExecStart=/usr/sbin/ptp4l -2 -f /home/amine/linuxptp/gPTP.cfg -i eth0.10 -i eth0.20 -i eth0.30 -i eth0.40 -i eth0.50 -i eth0.60 -i eth0.70 -i eth0.80 eth0.90 -i eth0.100 -i eth0.110 -i eth0.120 -i eth0.130 -i eth0.140 -i eth0.150 -i eth0.160 -i eth0.170 -i eth0.180 -q -l 6 -S私が設定したVLANカードが多いので、ptp 4 l.serviceの起動エラーを引き起こしました。修正しました。
/lib/systemd/system/ptp4l.serviceAfter=network.target[Unit]
Description=Precision Time Protocol (PTP) service
Documentation=man:ptp4l
After=network.target