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- ############ ip a
- 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN qlen 1
- link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
- inet 127.0.0.1/8 scope host lo
- valid_lft forever preferred_lft forever
- inet6 ::1/128 scope host
- valid_lft forever preferred_lft forever
- 2: enp3s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 9000 qdisc pfifo_fast state UP qlen 1000
- link/ether d0:50:99:a8:3b:1a brd ff:ff:ff:ff:ff:ff
- inet 10.0.0.117/24 brd 10.0.0.255 scope global dynamic enp3s0
- valid_lft 34533sec preferred_lft 34533sec
- inet6 fe80::d250:99ff:fea8:3b1a/64 scope link
- valid_lft forever preferred_lft forever
- 3: enp3s0.5@enp3s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP qlen 1000
- link/ether d0:50:99:a8:3b:1a brd ff:ff:ff:ff:ff:ff
- inet6 fe80::d250:99ff:fea8:3b1a/64 scope link
- valid_lft forever preferred_lft forever
- 4: enp3s0.4@enp3s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master ovs-system state UP qlen 1000
- link/ether d0:50:99:a8:3b:1a brd ff:ff:ff:ff:ff:ff
- inet6 fe80::d250:99ff:fea8:3b1a/64 scope link
- valid_lft forever preferred_lft forever
- 5: ovs-system: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
- link/ether 1e:e9:81:80:e5:56 brd ff:ff:ff:ff:ff:ff
- 6: vxlan_sys_4789: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 65470 qdisc noqueue master ovs-system state UNKNOWN qlen 1000
- link/ether fa:5c:06:1c:03:1f brd ff:ff:ff:ff:ff:ff
- 7: br-tun: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
- link/ether da:0b:8a:e1:61:4a brd ff:ff:ff:ff:ff:ff
- 9: br-int: <BROADCAST,MULTICAST> mtu 1450 qdisc noop state DOWN qlen 1000
- link/ether 86:ad:eb:8f:34:45 brd ff:ff:ff:ff:ff:ff
- 10: br-provider: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
- link/ether d0:50:99:a8:3b:1a brd ff:ff:ff:ff:ff:ff
- 12: qbr4241e9e3-3a: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc noqueue state UP qlen 1000
- link/ether 9a:4b:3c:f6:f4:9b brd ff:ff:ff:ff:ff:ff
- 13: qvo4241e9e3-3a@qvb4241e9e3-3a: <BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP> mtu 1450 qdisc noqueue master ovs-system state UP qlen 1000
- link/ether 02:64:8a:68:27:f3 brd ff:ff:ff:ff:ff:ff
- inet6 fe80::64:8aff:fe68:27f3/64 scope link
- valid_lft forever preferred_lft forever
- 14: qvb4241e9e3-3a@qvo4241e9e3-3a: <BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP> mtu 1450 qdisc noqueue master qbr4241e9e3-3a state UP qlen 1000
- link/ether 9a:4b:3c:f6:f4:9b brd ff:ff:ff:ff:ff:ff
- inet6 fe80::984b:3cff:fef6:f49b/64 scope link
- valid_lft forever preferred_lft forever
- 15: tap4241e9e3-3a: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc pfifo_fast master qbr4241e9e3-3a state UNKNOWN qlen 1000
- link/ether fe:16:3e:e1:c9:ca brd ff:ff:ff:ff:ff:ff
- inet6 fe80::fc16:3eff:fee1:c9ca/64 scope link
- valid_lft forever preferred_lft forever
- ############ ip r
- default via 10.0.0.1 dev enp3s0 proto static metric 100
- 10.0.0.0/24 dev enp3s0 proto kernel scope link src 10.0.0.117 metric 100
- ############ ip netns
- qrouter-47b2f138-3130-4ab8-9c96-0f402190fe41
- ############ ip netns exec NAMESPACE ip a
- ############ip netns exec qrouter-47b2f138-3130-4ab8-9c96-0f402190fe41 ip a
- 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN qlen 1
- link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
- inet 127.0.0.1/8 scope host lo
- valid_lft forever preferred_lft forever
- inet6 ::1/128 scope host
- valid_lft forever preferred_lft forever
- 16: qr-c08eeda3-3b: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc noqueue state UNKNOWN qlen 1000
- link/ether fa:16:3e:1e:f9:ee brd ff:ff:ff:ff:ff:ff
- inet 10.0.12.1/24 brd 10.0.12.255 scope global qr-c08eeda3-3b
- valid_lft forever preferred_lft forever
- inet6 fe80::f816:3eff:fe1e:f9ee/64 scope link
- valid_lft forever preferred_lft forever
- ############ ip netns exec NAMESPACE ip r
- ############ip netns exec qrouter-47b2f138-3130-4ab8-9c96-0f402190fe41 ip r
- 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN qlen 1
- link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
- inet 127.0.0.1/8 scope host lo
- valid_lft forever preferred_lft forever
- inet6 ::1/128 scope host
- valid_lft forever preferred_lft forever
- 16: qr-c08eeda3-3b: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc noqueue state UNKNOWN qlen 1000
- link/ether fa:16:3e:1e:f9:ee brd ff:ff:ff:ff:ff:ff
- inet 10.0.12.1/24 brd 10.0.12.255 scope global qr-c08eeda3-3b
- valid_lft forever preferred_lft forever
- inet6 fe80::f816:3eff:fe1e:f9ee/64 scope link
- valid_lft forever preferred_lft forever
- ############ iptables-save
- # Generated by iptables-save v1.4.21 on Fri Dec 16 20:19:31 2016
- *nat
- :PREROUTING ACCEPT [748:94900]
- :INPUT ACCEPT [717:91671]
- :OUTPUT ACCEPT [3012:216672]
- :POSTROUTING ACCEPT [3038:219426]
- :neutron-openvswi-OUTPUT - [0:0]
- :neutron-openvswi-POSTROUTING - [0:0]
- :neutron-openvswi-PREROUTING - [0:0]
- :neutron-openvswi-float-snat - [0:0]
- :neutron-openvswi-snat - [0:0]
- :neutron-postrouting-bottom - [0:0]
- -A PREROUTING -j neutron-openvswi-PREROUTING
- -A OUTPUT -j neutron-openvswi-OUTPUT
- -A POSTROUTING -j neutron-openvswi-POSTROUTING
- -A POSTROUTING -j neutron-postrouting-bottom
- -A neutron-openvswi-snat -j neutron-openvswi-float-snat
- -A neutron-postrouting-bottom -m comment --comment "Perform source NAT on outgoing traffic." -j neutron-openvswi-snat
- COMMIT
- # Completed on Fri Dec 16 20:19:31 2016
- # Generated by iptables-save v1.4.21 on Fri Dec 16 20:19:31 2016
- *mangle
- :PREROUTING ACCEPT [338242:67226851]
- :INPUT ACCEPT [338030:67206963]
- :FORWARD ACCEPT [225:25245]
- :OUTPUT ACCEPT [405065:165997139]
- :POSTROUTING ACCEPT [405290:166022384]
- :neutron-openvswi-FORWARD - [0:0]
- :neutron-openvswi-INPUT - [0:0]
- :neutron-openvswi-OUTPUT - [0:0]
- :neutron-openvswi-POSTROUTING - [0:0]
- :neutron-openvswi-PREROUTING - [0:0]
- :neutron-openvswi-mark - [0:0]
- -A PREROUTING -j neutron-openvswi-PREROUTING
- -A INPUT -j neutron-openvswi-INPUT
- -A FORWARD -j neutron-openvswi-FORWARD
- -A OUTPUT -j neutron-openvswi-OUTPUT
- -A POSTROUTING -j neutron-openvswi-POSTROUTING
- -A neutron-openvswi-PREROUTING -j neutron-openvswi-mark
- COMMIT
- # Completed on Fri Dec 16 20:19:31 2016
- # Generated by iptables-save v1.4.21 on Fri Dec 16 20:19:31 2016
- *raw
- :PREROUTING ACCEPT [338242:67226851]
- :OUTPUT ACCEPT [405065:165997139]
- :neutron-openvswi-OUTPUT - [0:0]
- :neutron-openvswi-PREROUTING - [0:0]
- -A PREROUTING -j neutron-openvswi-PREROUTING
- -A OUTPUT -j neutron-openvswi-OUTPUT
- -A neutron-openvswi-PREROUTING -m physdev --physdev-in qvb4241e9e3-3a -j CT --zone 1
- -A neutron-openvswi-PREROUTING -m physdev --physdev-in tap4241e9e3-3a -j CT --zone 1
- COMMIT
- # Completed on Fri Dec 16 20:19:31 2016
- # Generated by iptables-save v1.4.21 on Fri Dec 16 20:19:31 2016
- *filter
- :INPUT ACCEPT [338031:67207078]
- :FORWARD ACCEPT [0:0]
- :OUTPUT ACCEPT [405068:165997484]
- :neutron-filter-top - [0:0]
- :neutron-openvswi-FORWARD - [0:0]
- :neutron-openvswi-INPUT - [0:0]
- :neutron-openvswi-OUTPUT - [0:0]
- :neutron-openvswi-i4241e9e3-3 - [0:0]
- :neutron-openvswi-local - [0:0]
- :neutron-openvswi-o4241e9e3-3 - [0:0]
- :neutron-openvswi-s4241e9e3-3 - [0:0]
- :neutron-openvswi-sg-chain - [0:0]
- :neutron-openvswi-sg-fallback - [0:0]
- -A INPUT -j neutron-openvswi-INPUT
- -A FORWARD -j neutron-filter-top
- -A FORWARD -j neutron-openvswi-FORWARD
- -A OUTPUT -j neutron-filter-top
- -A OUTPUT -j neutron-openvswi-OUTPUT
- -A neutron-filter-top -j neutron-openvswi-local
- -A neutron-openvswi-FORWARD -m physdev --physdev-out tap4241e9e3-3a --physdev-is-bridged -m comment --comment "Direct traffic from the VM interface to the security group chain." -j neutron-openvswi-sg-chain
- -A neutron-openvswi-FORWARD -m physdev --physdev-in tap4241e9e3-3a --physdev-is-bridged -m comment --comment "Direct traffic from the VM interface to the security group chain." -j neutron-openvswi-sg-chain
- -A neutron-openvswi-INPUT -m physdev --physdev-in tap4241e9e3-3a --physdev-is-bridged -m comment --comment "Direct incoming traffic from VM to the security group chain." -j neutron-openvswi-o4241e9e3-3
- -A neutron-openvswi-i4241e9e3-3 -m state --state RELATED,ESTABLISHED -m comment --comment "Direct packets associated with a known session to the RETURN chain." -j RETURN
- -A neutron-openvswi-i4241e9e3-3 -s 10.0.12.4/32 -p udp -m udp --sport 67 -m udp --dport 68 -j RETURN
- -A neutron-openvswi-i4241e9e3-3 -s 10.0.12.3/32 -p udp -m udp --sport 67 -m udp --dport 68 -j RETURN
- -A neutron-openvswi-i4241e9e3-3 -s 10.0.12.2/32 -p udp -m udp --sport 67 -m udp --dport 68 -j RETURN
- -A neutron-openvswi-i4241e9e3-3 -p udp -m udp -m multiport --dports 1:65535 -j RETURN
- -A neutron-openvswi-i4241e9e3-3 -p icmp -j RETURN
- -A neutron-openvswi-i4241e9e3-3 -p tcp -m tcp -m multiport --dports 1:65535 -j RETURN
- -A neutron-openvswi-i4241e9e3-3 -m state --state INVALID -m comment --comment "Drop packets that appear related to an existing connection (e.g. TCP ACK/FIN) but do not have an entry in conntrack." -j DROP
- -A neutron-openvswi-i4241e9e3-3 -m comment --comment "Send unmatched traffic to the fallback chain." -j neutron-openvswi-sg-fallback
- -A neutron-openvswi-o4241e9e3-3 -s 0.0.0.0/32 -d 255.255.255.255/32 -p udp -m udp --sport 68 --dport 67 -m comment --comment "Allow DHCP client traffic." -j RETURN
- -A neutron-openvswi-o4241e9e3-3 -j neutron-openvswi-s4241e9e3-3
- -A neutron-openvswi-o4241e9e3-3 -p udp -m udp --sport 68 --dport 67 -m comment --comment "Allow DHCP client traffic." -j RETURN
- -A neutron-openvswi-o4241e9e3-3 -p udp -m udp --sport 67 -m udp --dport 68 -m comment --comment "Prevent DHCP Spoofing by VM." -j DROP
- -A neutron-openvswi-o4241e9e3-3 -m state --state RELATED,ESTABLISHED -m comment --comment "Direct packets associated with a known session to the RETURN chain." -j RETURN
- -A neutron-openvswi-o4241e9e3-3 -p icmp -j RETURN
- -A neutron-openvswi-o4241e9e3-3 -p udp -m udp -m multiport --dports 1:65535 -j RETURN
- -A neutron-openvswi-o4241e9e3-3 -p tcp -m tcp -m multiport --dports 1:65535 -j RETURN
- -A neutron-openvswi-o4241e9e3-3 -m state --state INVALID -m comment --comment "Drop packets that appear related to an existing connection (e.g. TCP ACK/FIN) but do not have an entry in conntrack." -j DROP
- -A neutron-openvswi-o4241e9e3-3 -m comment --comment "Send unmatched traffic to the fallback chain." -j neutron-openvswi-sg-fallback
- -A neutron-openvswi-s4241e9e3-3 -s 10.0.12.13/32 -m mac --mac-source FA:16:3E:E1:C9:CA -m comment --comment "Allow traffic from defined IP/MAC pairs." -j RETURN
- -A neutron-openvswi-s4241e9e3-3 -m comment --comment "Drop traffic without an IP/MAC allow rule." -j DROP
- -A neutron-openvswi-sg-chain -m physdev --physdev-out tap4241e9e3-3a --physdev-is-bridged -m comment --comment "Jump to the VM specific chain." -j neutron-openvswi-i4241e9e3-3
- -A neutron-openvswi-sg-chain -m physdev --physdev-in tap4241e9e3-3a --physdev-is-bridged -m comment --comment "Jump to the VM specific chain." -j neutron-openvswi-o4241e9e3-3
- -A neutron-openvswi-sg-chain -j ACCEPT
- -A neutron-openvswi-sg-fallback -m comment --comment "Default drop rule for unmatched traffic." -j DROP
- COMMIT
- # Completed on Fri Dec 16 20:19:31 2016
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