[root@localhost ~]# yum install syslinux
menu.c32 memdisk mboot.c32 chain.c32 pxelinux.0
[root@localhost ~]# rpm -qal | grep syslinux /usr/share/syslinux /usr/share/syslinux/altmbr.bin /usr/share/syslinux/altmbr_c.bin /usr/share/syslinux/altmbr_f.bin /usr/share/syslinux/cat.c32 /usr/share/syslinux/chain.c32 /usr/share/syslinux/cmd.c32 /usr/share/syslinux/config.c32 /usr/share/syslinux/cpuid.c32 /usr/share/syslinux/cpuidtest.c32 /usr/share/syslinux/diag /usr/share/syslinux/diag/geodsp1s.img.xz /usr/share/syslinux/diag/geodspms.img.xz /usr/share/syslinux/diag/handoff.bin /usr/share/syslinux/disk.c32 /usr/share/syslinux/dmitest.c32 /usr/share/syslinux/dosutil /usr/share/syslinux/dosutil/copybs.com /usr/share/syslinux/dosutil/eltorito.sys /usr/share/syslinux/dosutil/mdiskchk.com
[root@localhost ~]# which syslinux /usr/bin/syslinux [root@localhost ~]# rpm -qf /usr/bin/syslinux syslinux-4.05-15.el7.x86_64 [root@localhost ~]#
[root@bogon ~]# tcpdump -i enahisic2i3 udp and port 67 or port 68 or port 69 and ether src F4:1D:6B:F8:7A:58 tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on enahisic2i3, link-type EN10MB (Ethernet), capture size 262144 bytes 18:00:29.950920 IP 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from f4:1d:6b:f8:7a:58 (oui Unknown), length 548 18:00:33.922503 IP 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from f4:1d:6b:f8:7a:58 (oui Unknown), length 548 18:00:33.926259 IP 172.16.100.108.ah-esp-encap > bogon.tftp: 27 RRQ "pxelinux.0" octet tsize 0 18:00:33.930718 IP 172.16.100.108.acp-port > bogon.tftp: 32 RRQ "pxelinux.0" octet blksize 1456 18:00:33.987195 IP 172.16.100.108.49152 > bogon.tftp: 79 RRQ "pxelinux.cfg/547af86b-1df4-cda1-e911-82467e040119" octet tsize 0 blksize 1408 18:00:33.989347 IP 172.16.100.108.49153 > bogon.tftp: 63 RRQ "pxelinux.cfg/01-f4-1d-6b-f8-7a-58" octet tsize 0 blksize 1408 18:00:33.990821 IP 172.16.100.108.49154 > bogon.tftp: 80 RRQ "a6995cce-9892-485c-a343-1c80416ec1b1/deploy_kernel" octet tsize 0 blksize 1408 18:00:34.733996 IP 172.16.100.108.49155 > bogon.tftp: 81 RRQ "a6995cce-9892-485c-a343-1c80416ec1b1/deploy_ramdisk" octet tsize 0 blksize 1408 18:01:43.398263 IP 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from f4:1d:6b:f8:7a:58 (oui Unknown), length 300 18:01:43.398697 IP 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from f4:1d:6b:f8:7a:58 (oui Unknown), length 300 ^C 10 packets captured 12 packets received by filter 0 packets dropped by kernel [root@bogon ~]#