I dont see eth0 ip addr disapper . And what's the ip addr of your first VM ? You are using Nova-network , not Neutron, right ? And why are you using different route to the same network ?
watrous@watrous-helion:~$ ip route default via 16.85.144.1 dev eth1 10.11.12.0/24 dev br100 proto kernel scope link src 10.11.12.1 *16.85.144.0/22 <http://16.85.144.0/22> dev eth1 proto kernel scope link src 16.85.145.6* *16.85.144.0/22 <http://16.85.144.0/22> dev br100 proto kernel scope link src 16.85.145.3* 192.168.122.0/24 dev virbr0 proto kernel scope link src 192.168.122.1 *Best Regards！* *Chao Yan--------------**My twitter：Andy Yan @yanchao727 <https://twitter.com/yanchao727>* *My Weibo：http://weibo.com/herewearenow <http://weibo.com/herewearenow>--------------* 2014-08-29 7:01 GMT+08:00 Daniel Watrous <[email protected]>: > Hi, > > > > I’ve been trying to get DevStack working to the point that I could use it > to explore CloudFoundry ( > http://docs.cloudfoundry.org/deploying/openstack/validate_openstack.html). > I keep getting stuck with networking glitches. Sometimes it works, but most > of the time it doesn’t. Hopefully you can help. This is how I’m running > DevStack: > http://software.danielwatrous.com/openstack-development-using-devstack/ > > > > When I boot my server fresh, the networking interfaces are as shown in the > first block below. The second block below that shows what they look like > after running stack.sh and starting the first guest VM. The IP address > disappears for eth0, but I don’t lose any SSH connections that are > currently live against that interface. When I log in to the instance I > can't access the outside internet. I have tried iptables changes (sudo > iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE). I have tried > updating /proc/sys/net/ipv4/ip_forward. I can ping the host, the gateway > and the main IP address, including the one that supposedly no longer exists. > > > Any help appreciated. > > > ****************************************************** > > **** Fresh boot Ubuntu 14.04 LTS x64 * > > **** Two network ports, DHCP obtained IP addresses * > > **** Behind a proxy * > > ****************************************************** > > > watrous@watrous-helion:~$ ifconfig > > eth0 Link encap:Ethernet HWaddr 00:1e:c9:b2:40:b3 > > inet addr:16.85.145.3 Bcast:16.85.147.255 Mask:255.255.252.0 > > inet6 addr: fe80::21e:c9ff:feb2:40b3/64 Scope:Link > > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > > RX packets:277 errors:0 dropped:0 overruns:0 frame:0 > > TX packets:149 errors:0 dropped:0 overruns:0 carrier:0 > > collisions:0 txqueuelen:1000 > > RX bytes:29446 (29.4 KB) TX bytes:24038 (24.0 KB) > > > eth1 Link encap:Ethernet HWaddr 00:1e:c9:b2:40:b5 > > inet addr:16.85.145.6 Bcast:16.85.147.255 Mask:255.255.252.0 > > inet6 addr: fe80::21e:c9ff:feb2:40b5/64 Scope:Link > > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > > RX packets:177 errors:0 dropped:0 overruns:0 frame:0 > > TX packets:10 errors:0 dropped:0 overruns:0 carrier:0 > > collisions:0 txqueuelen:1000 > > RX bytes:15657 (15.6 KB) TX bytes:1372 (1.3 KB) > > > lo Link encap:Local Loopback > > inet addr:127.0.0.1 Mask:255.0.0.0 > > inet6 addr: ::1/128 Scope:Host > > UP LOOPBACK RUNNING MTU:65536 Metric:1 > > RX packets:128 errors:0 dropped:0 overruns:0 frame:0 > > TX packets:128 errors:0 dropped:0 overruns:0 carrier:0 > > collisions:0 txqueuelen:0 > > RX bytes:7930 (7.9 KB) TX bytes:7930 (7.9 KB) > > > virbr0 Link encap:Ethernet HWaddr 66:0f:58:21:8d:7f > > inet addr:192.168.122.1 Bcast:192.168.122.255 > Mask:255.255.255.0 > > UP BROADCAST MULTICAST MTU:1500 Metric:1 > > RX packets:0 errors:0 dropped:0 overruns:0 frame:0 > > TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 > > collisions:0 txqueuelen:0 > > RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) > > > watrous@watrous-helion:~$ ip a > > 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group > default > > 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: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP > group default qlen 1000 > > link/ether 00:1e:c9:b2:40:b3 brd ff:ff:ff:ff:ff:ff > > inet 16.85.145.3/22 brd 16.85.147.255 scope global eth0 > > valid_lft forever preferred_lft forever > > inet6 fe80::21e:c9ff:feb2:40b3/64 scope link > > valid_lft forever preferred_lft forever > > 3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP > group default qlen 1000 > > link/ether 00:1e:c9:b2:40:b5 brd ff:ff:ff:ff:ff:ff > > inet 16.85.145.6/22 brd 16.85.147.255 scope global eth1 > > valid_lft forever preferred_lft forever > > inet6 fe80::21e:c9ff:feb2:40b5/64 scope link > > valid_lft forever preferred_lft forever > > 4: virbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue > state DOWN group default > > link/ether 66:0f:58:21:8d:7f brd ff:ff:ff:ff:ff:ff > > inet 192.168.122.1/24 brd 192.168.122.255 scope global virbr0 > > valid_lft forever preferred_lft forever > > watrous@watrous-helion:~$ ip route > > default via 16.85.144.1 dev eth0 > > 16.85.144.0/22 dev eth0 proto kernel scope link src 16.85.145.3 > > 16.85.144.0/22 dev eth1 proto kernel scope link src 16.85.145.6 > > 192.168.122.0/24 dev virbr0 proto kernel scope link src 192.168.122.1 > > watrous@watrous-helion:~$ sudo iptables -L > > Chain INPUT (policy ACCEPT) > > target prot opt source destination > > > Chain FORWARD (policy ACCEPT) > > target prot opt source destination > > > Chain OUTPUT (policy ACCEPT) > > target prot opt source destination > > > ************************************************** > > ****** After stack.sh and create a new VM ****** > > ************************************************** > > > watrous@watrous-helion:~$ ifconfig > > br100 Link encap:Ethernet HWaddr 00:1e:c9:b2:40:b3 > > inet addr:10.11.12.1 Bcast:10.11.12.255 Mask:255.255.255.0 > > inet6 addr: fe80::60ab:b0ff:fe26:9fd/64 Scope:Link > > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > > RX packets:887 errors:0 dropped:23 overruns:0 frame:0 > > TX packets:23 errors:0 dropped:0 overruns:0 carrier:0 > > collisions:0 txqueuelen:0 > > RX bytes:292811 (292.8 KB) TX bytes:2367 (2.3 KB) > > > eth0 Link encap:Ethernet HWaddr 00:1e:c9:b2:40:b3 > > inet6 addr: fe80::21e:c9ff:feb2:40b3/64 Scope:Link > > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > > RX packets:669986 errors:0 dropped:4 overruns:0 frame:0 > > TX packets:588283 errors:0 dropped:0 overruns:0 carrier:0 > > collisions:0 txqueuelen:1000 > > RX bytes:597137467 (597.1 MB) TX bytes:593935543 (593.9 MB) > > > eth1 Link encap:Ethernet HWaddr 00:1e:c9:b2:40:b5 > > inet addr:16.85.145.6 Bcast:16.85.147.255 Mask:255.255.252.0 > > inet6 addr: fe80::21e:c9ff:feb2:40b5/64 Scope:Link > > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > > RX packets:354520 errors:0 dropped:0 overruns:0 frame:0 > > TX packets:285578 errors:0 dropped:0 overruns:0 carrier:0 > > collisions:0 txqueuelen:1000 > > RX bytes:313844137 (313.8 MB) TX bytes:307237034 (307.2 MB) > > > lo Link encap:Local Loopback > > inet addr:127.0.0.1 Mask:255.0.0.0 > > inet6 addr: ::1/128 Scope:Host > > UP LOOPBACK RUNNING MTU:65536 Metric:1 > > RX packets:60309 errors:0 dropped:0 overruns:0 frame:0 > > TX packets:60309 errors:0 dropped:0 overruns:0 carrier:0 > > collisions:0 txqueuelen:0 > > RX bytes:20401825 (20.4 MB) TX bytes:20401825 (20.4 MB) > > > virbr0 Link encap:Ethernet HWaddr 66:0f:58:21:8d:7f > > inet addr:192.168.122.1 Bcast:192.168.122.255 > Mask:255.255.255.0 > > UP BROADCAST MULTICAST MTU:1500 Metric:1 > > RX packets:0 errors:0 dropped:0 overruns:0 frame:0 > > TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 > > collisions:0 txqueuelen:0 > > RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) > > > vnet0 Link encap:Ethernet HWaddr fe:16:3e:f6:f9:b8 > > inet6 addr: fe80::fc16:3eff:fef6:f9b8/64 Scope:Link > > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > > RX packets:31 errors:0 dropped:0 overruns:0 frame:0 > > TX packets:188 errors:0 dropped:0 overruns:0 carrier:0 > > collisions:0 txqueuelen:500 > > RX bytes:3004 (3.0 KB) TX bytes:18215 (18.2 KB) > > > watrous@watrous-helion:~$ ip a > > 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group > default > > 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 > > inet 169.254.169.254/32 scope link lo > > valid_lft forever preferred_lft forever > > inet6 ::1/128 scope host > > valid_lft forever preferred_lft forever > > 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq master br100 > state UP group default qlen 1000 > > link/ether 00:1e:c9:b2:40:b3 brd ff:ff:ff:ff:ff:ff > > inet6 fe80::21e:c9ff:feb2:40b3/64 scope link > > valid_lft forever preferred_lft forever > > 3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP > group default qlen 1000 > > link/ether 00:1e:c9:b2:40:b5 brd ff:ff:ff:ff:ff:ff > > inet 16.85.145.6/22 brd 16.85.147.255 scope global eth1 > > valid_lft forever preferred_lft forever > > inet6 fe80::21e:c9ff:feb2:40b5/64 scope link > > valid_lft forever preferred_lft forever > > 4: virbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue > state DOWN group default > > link/ether 66:0f:58:21:8d:7f brd ff:ff:ff:ff:ff:ff > > inet 192.168.122.1/24 brd 192.168.122.255 scope global virbr0 > > valid_lft forever preferred_lft forever > > 5: br100: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state > UP group default > > link/ether 00:1e:c9:b2:40:b3 brd ff:ff:ff:ff:ff:ff > > inet 10.11.12.1/24 brd 10.11.12.255 scope global br100 > > valid_lft forever preferred_lft forever > > inet 16.85.145.3/22 brd 16.85.147.255 scope global br100 > > valid_lft forever preferred_lft forever > > inet6 fe80::60ab:b0ff:fe26:9fd/64 scope link > > valid_lft forever preferred_lft forever > > 6: vnet0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast > master br100 state UNKNOWN group default qlen 500 > > link/ether fe:16:3e:f6:f9:b8 brd ff:ff:ff:ff:ff:ff > > inet6 fe80::fc16:3eff:fef6:f9b8/64 scope link > > valid_lft forever preferred_lft forever > > watrous@watrous-helion:~$ ip route > > default via 16.85.144.1 dev eth1 > > 10.11.12.0/24 dev br100 proto kernel scope link src 10.11.12.1 > > 16.85.144.0/22 dev eth1 proto kernel scope link src 16.85.145.6 > > 16.85.144.0/22 dev br100 proto kernel scope link src 16.85.145.3 > > 192.168.122.0/24 dev virbr0 proto kernel scope link src 192.168.122.1 > > watrous@watrous-helion:~$ sudo iptables -L > > Chain INPUT (policy ACCEPT) > > target prot opt source destination > > nova-compute-INPUT all -- anywhere anywhere > > nova-network-INPUT all -- anywhere anywhere > > nova-api-INPUT all -- anywhere anywhere > > > Chain FORWARD (policy ACCEPT) > > target prot opt source destination > > nova-filter-top all -- anywhere anywhere > > nova-compute-FORWARD all -- anywhere anywhere > > nova-network-FORWARD all -- anywhere anywhere > > nova-api-FORWARD all -- anywhere anywhere > > > Chain OUTPUT (policy ACCEPT) > > target prot opt source destination > > nova-filter-top all -- anywhere anywhere > > nova-compute-OUTPUT all -- anywhere anywhere > > nova-network-OUTPUT all -- anywhere anywhere > > nova-api-OUTPUT all -- anywhere anywhere > > > Chain nova-api-FORWARD (1 references) > > target prot opt source destination > > > Chain nova-api-INPUT (1 references) > > target prot opt source destination > > ACCEPT tcp -- anywhere > watrous-helion.americas.hpqcorp.net tcp dpt:8775 > > > Chain nova-api-OUTPUT (1 references) > > target prot opt source destination > > > Chain nova-api-local (1 references) > > target prot opt source destination > > > Chain nova-compute-FORWARD (1 references) > > target prot opt source destination > > ACCEPT all -- anywhere anywhere > > ACCEPT all -- anywhere anywhere > > ACCEPT udp -- 0.0.0.0 255.255.255.255 udp > spt:bootpc dpt:bootps > > > Chain nova-compute-INPUT (1 references) > > target prot opt source destination > > ACCEPT udp -- 0.0.0.0 255.255.255.255 udp > spt:bootpc dpt:bootps > > > Chain nova-compute-OUTPUT (1 references) > > target prot opt source destination > > > Chain nova-compute-inst-2 (1 references) > > target prot opt source destination > > DROP all -- anywhere anywhere state INVALID > > ACCEPT all -- anywhere anywhere state > RELATED,ESTABLISHED > > nova-compute-provider all -- anywhere anywhere > > ACCEPT udp -- 10.11.12.1 anywhere udp > spt:bootps dpt:bootpc > > ACCEPT all -- 10.11.12.0/24 anywhere > > nova-compute-sg-fallback all -- anywhere anywhere > > > Chain nova-compute-local (1 references) > > target prot opt source destination > > nova-compute-inst-2 all -- anywhere 10.11.12.3 > > > Chain nova-compute-provider (1 references) > > target prot opt source destination > > > Chain nova-compute-sg-fallback (1 references) > > target prot opt source destination > > DROP all -- anywhere anywhere > > > Chain nova-filter-top (2 references) > > target prot opt source destination > > nova-compute-local all -- anywhere anywhere > > nova-network-local all -- anywhere anywhere > > nova-api-local all -- anywhere anywhere > > > Chain nova-network-FORWARD (1 references) > > target prot opt source destination > > ACCEPT all -- anywhere anywhere > > ACCEPT all -- anywhere anywhere > > > Chain nova-network-INPUT (1 references) > > target prot opt source destination > > ACCEPT udp -- anywhere anywhere udp > dpt:bootps > > ACCEPT tcp -- anywhere anywhere tcp > dpt:bootps > > ACCEPT udp -- anywhere anywhere udp > dpt:domain > > ACCEPT tcp -- anywhere anywhere tcp > dpt:domain > > > Chain nova-network-OUTPUT (1 references) > > target prot opt source destination > > > Chain nova-network-local (1 references) > > target prot opt source destination > > _______________________________________________ > Mailing list: > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : [email protected] > Unsubscribe : > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > >
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