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ehx27 created page: sdn switch authored by Jan Siersch's avatar Jan Siersch
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pxe-boot.markdown
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......@@ -19,6 +19,30 @@ we start a DHCP server on the storagenode that provides PXE boot information (TF
yum -y install dhcp syslinux xinetd tftp-server dracut-network
```
- configure IPTABLES to allow incomming access to DHCP, TFTP and NFS
```
# DHCP
iptables -I INPUT 1 -s 10.1.1.0/24 -m state --state NEW,RELATED,ESTABLISHED -p udp --dport 67 -j ACCEPT
iptables -I INPUT 1 -s 10.1.1.0/24 -m state --state NEW,RELATED,ESTABLISHED -p udp --dport 68 -j ACCEPT
# TFTP
iptables -I INPUT 1 -s 10.1.1.0/24 -m state --state NEW,RELATED,ESTABLISHED -p udp --dport 69 -j ACCEPT
# NFS
iptables -I INPUT 1 -s 10.1.1.0/24 -m state --state NEW,RELATED,ESTABLISHED -p udp --dport 111 -j ACCEPT
iptables -I INPUT 1 -s 10.1.1.0/24 -m state --state NEW,RELATED,ESTABLISHED -p tcp --dport 111 -j ACCEPT
iptables -I INPUT 1 -s 10.1.1.0/24 -m state --state NEW,RELATED,ESTABLISHED -p tcp --dport 2049 -j ACCEPT
iptables -I INPUT 1 -s 10.1.1.0/24 -m state --state NEW,RELATED,ESTABLISHED -p tcp --dport 32803 -j ACCEPT
iptables -I INPUT 1 -s 10.1.1.0/24 -m state --state NEW,RELATED,ESTABLISHED -p udp --dport 32769 -j ACCEPT
iptables -I INPUT 1 -s 10.1.1.0/24 -m state --state NEW,RELATED,ESTABLISHED -p tcp --dport 892 -j ACCEPT
iptables -I INPUT 1 -s 10.1.1.0/24 -m state --state NEW,RELATED,ESTABLISHED -p udp --dport 892 -j ACCEPT
iptables -I INPUT 1 -s 10.1.1.0/24 -m state --state NEW,RELATED,ESTABLISHED -p tcp --dport 875 -j ACCEPT
iptables -I INPUT 1 -s 10.1.1.0/24 -m state --state NEW,RELATED,ESTABLISHED -p udp --dport 875 -j ACCEPT
iptables -I INPUT 1 -s 10.1.1.0/24 -m state --state NEW,RELATED,ESTABLISHED -p tcp --dport 662 -j ACCEPT
iptables -I INPUT 1 -s 10.1.1.0/24 -m state --state NEW,RELATED,ESTABLISHED -p udp --dport 662 -j ACCEPT
```
- prepare directories for all diskless nodes
```
......