[root@kickstarter pxelinux.cfg]# tcpdump -i eth0 port 69 tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes 11:30:19.077306 IP srv-9000.ah-esp-encap > kickstarter.domain.com.tftp: 41 RRQ "linux-install/pxelinux.0" octet tsize 0 11:30:19.106252 IP srv-9000.acp-port > kickstarter.domain.com.tftp: 46 RRQ "linux-install/pxelinux.0" octet blksize 1456 11:30:19.183548 IP srv-9000.40769 > kickstarter.domain.com.tftp: 77 RRQ "linux-install/pxelinux.cfg/01-c4-34-6b-b9-16-70" octet tsize 0 blksize 1440 11:30:19.213799 IP srv-9000.40770 > kickstarter.domain.com.tftp: 65 RRQ "linux-install/pxelinux.cfg/0A4461FA" octet tsize 0 blksize 1440 11:30:19.242361 IP srv-9000.40771 > kickstarter.domain.com.tftp: 63 RRQ "linux-install/rhel-as-7u1/vmlinuz" octet tsize 0 blksize 1440 11:30:35.973742 IP srv-9000.40772 > kickstarter.domain.com.tftp: 66 RRQ "linux-install/rhel-as-7u1/initrd.img" octet tsize 0 blksize 1440 ^C 6 packets captured 38 packets received by filter 1 packets dropped by kernel
Wednesday, April 5, 2017
Kickstart troubleshooting
This is to see if a server which need to be kickstarted is able to get initial files from TFTP server (which runs on port 69).
Labels:
How-to series,
Linux,
Linux fundamentals,
tcpdump,
troubleshooting
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