High Availability Server Clustering without ILB(Internal Load Balancer) (MEMO)
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High Availability Server Clustering without ILB(Internal Load Balancer) (MEMO) 20-Feb-2015 SAKURA Internet Research Center. Senior Researcher / Naoto MATSUMOTO
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High Availability Server Clustering without ILB(Internal Load Balancer) (MEMO)
- 1. 20-Feb-2015 SAKURA Internet Research Center. Senior Researcher / Naoto MATSUMOTO
- 2. Basic Ideas Break the public cloud's limitation using l2tpv3 & ospfv3 on linux.
- 3. How does it works The Internal traffic go through "OSPFv3 over L2TPv3" selected route.
- 4. Failover scenario OSPFv3 LSA update and IPv6 Anycast (redistributed connected)
- 5. DB Configuration (CentOS7) $ sudo su # yum install -y quagga iptables-services net-tools traceroute tcpdump # echo "net.ipv6.conf.all.forwarding = 1" > /etc/sysctl.conf # cp -p /etc/quagga/zebra.conf /etc/quagga/ospf6d.conf # setsebool -P zebra_write_config 1 # systemctl mask firewalld ; systemctl disable ip6tables # systemctl enable ospf6d ; systemctl start ospf6d # modprobe l2tp_eth # ip l2tp add tunnel tunnel_id 5555 peer_tunnel_id 5555 udp_sport 5555 udp_dport 5555 encap udp remote 100.78.18.43 local 100.78.28.127 # ip l2tp add session name eoip0000 tunnel_id 5555 session_id 5555 peer_session_id 5555 : # vtysh # conf t # interface lo # ipv6 address fd50:d026:9ade:99::99/64 # router ospf6 # router-id 10.0.0.99 # redistribute connected # area 0.0.0.0 range ::/0 # interface eoip0000 area 0.0.0.0 # interface eoip0001 area 0.0.0.0
- 6. Web Configuration (CentOS7) $ sudo su # yum install -y quagga iptables-services net-tools traceroute tcpdump # echo "net.ipv6.conf.all.forwarding = 1" > /etc/sysctl.conf # cp -p /etc/quagga/zebra.conf /etc/quagga/ospf6d.conf # setsebool -P zebra_write_config 1 # systemctl mask firewalld ; systemctl disable ip6tables # systemctl enable ospf6d ; systemctl start ospf6d # modprobe l2tp_eth # ip l2tp add tunnel tunnel_id 5555 peer_tunnel_id 5555 udp_sport 5555 udp_dport 5555 encap udp local 100.78.18.43 remote 100.78.28.127 # ip l2tp add session name eoip0000 tunnel_id 5555 session_id 5555 peer_session_id 5555 # vtysh # conf t # router ospf6 # router-id 10.0.0.1 # area 0.0.0.0 range ::/0 # interface eoip0000 area 0.0.0.0 # end # wri
- 7. OSPFv3 Interval Adjustment # vtysh # conf t # int eoip0000 # ipv6 ospf6 hello-interval 1 # ipv6 ospf6 retransmit-interval 2 # ipv6 ospf6 dead-interval 3 # int eoip0001 # ipv6 ospf6 hello-interval 1 # ipv6 ospf6 retransmit-interval 2 # ipv6 ospf6 dead-interval 3 : # end # wri OSPFv3 Interval Adjustment
- 8. Thanks for your interset. SAKURA Internet Research Center.