airship/treasuremap
Code Issues Proposed changes

Separate dhcp domains for worker nodes

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With this commit vm related dhcp traffic are contained within the same
host.

Signed-off-by: Andrii Ostapenko <andrii.ostapenko@att.com>
Change-Id: I916b1e07e9acd4c66942cb5cb434d0ab0d36adbb
This commit is contained in:
Andrii Ostapenko 2021-06-27 18:55:45 -06:00
parent 9ebaab596b
commit 563e8ccb4d
No known key found for this signature in database
GPG Key ID: F3E83668DBB223B3
1 changed files with 6 additions and 0 deletions
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6
manifests/function/workers-vm-infra/iptables-setup.yaml
View File

@ -34,4 +34,10 @@
# activate ip_forwarding
echo 1 | sudo tee /proc/sys/net/ipv4/ip_forward
iptables -t nat -A POSTROUTING -s REPLACEMENT_VM_SUBNET_CIDR -o REPLACEMENT_MGMT_INTF -j MASQUERADE
ebtables -A FORWARD -i REPLACEMENT_VM_INFRA_INTF -d ff:ff:ff:ff:ff:ff/ff:ff:ff:ff:ff:ff -p IPv4 --ip-prot udp --ip-dport 67:68 --log-level info --log-ip --log-prefix EBFWbc -j DROP
ebtables -A FORWARD -o REPLACEMENT_VM_INFRA_INTF -d ff:ff:ff:ff:ff:ff/ff:ff:ff:ff:ff:ff -p IPv4 --ip-prot udp --ip-dport 67:68 --log-level info --log-ip --log-prefix EBFWbc -j DROP
ebtables -A FORWARD -i REPLACEMENT_VM_INFRA_INTF -p ipv4 --ip-proto tcp --ip-destination-port 67:68 --log-level info --log-ip --log-prefix EBFWtcp -j DROP
ebtables -A FORWARD -o REPLACEMENT_VM_INFRA_INTF -p ipv4 --ip-proto tcp --ip-destination-port 67:68 --log-level info --log-ip --log-prefix EBFWtcp -j DROP
ebtables -A FORWARD -i REPLACEMENT_VM_INFRA_INTF -p ipv4 --ip-proto udp --ip-destination-port 67:68 --log-level info --log-ip --log-prefix EBFWudp -j DROP
ebtables -A FORWARD -o REPLACEMENT_VM_INFRA_INTF -p ipv4 --ip-proto udp --ip-destination-port 67:68 --log-level info --log-ip --log-prefix EBFWudp -j DROP
exit 0