Release Notes¶
3.0.0-304¶
Traceroute support.
New Features¶
- As a Openflow based SDN, traceroute and its back-end network functionalities are not naturally supported. Dragonflow supports traceroute base on RFC792, RFC4884, RFC1812 and RFC5508. Traceroute in Dragonflow cluster works for virtual router and NAT device.
Security Issues¶
- To prevent DDoS, the rate of responding ICMP error message is controlled by several configuration options. They are ‘dnat_ttl_invalid_max_rate’, ‘dnat_icmp_error_max_rate’, ‘router_ttl_invalid_max_rate’ and ‘router_port_unreach_max_rate’.
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