Hi all, I've managed to get Openstack pretty much up and running as I wanted it. I do have, however, a rather strange networking issue.
I created the network with nova-manage network create --fixed_range_v4=10.0.41.0/24 --num_networks=1 --bridge=br41 --bridge_interface=eth0 --label=development --gateway=10.0.41.1 --dns1=10.0.0.2 --vlan=41 --project_id=XXXXXXX And i can boot instances fine. I've configured the default security group to allow port 22, 80 and ICMP -1 in and I can ping from my work station to the virtual instance ok: joe@kaneda:~$ ping 10.0.41.3 PING 10.0.41.3 (10.0.41.3) 56(84) bytes of data. 64 bytes from 10.0.41.3: icmp_req=1 ttl=63 time=1.18 ms And i can ping from the virt back too: ubuntu@test:~$ ping 10.0.0.240 PING 10.0.0.240 (10.0.0.240) 56(84) bytes of data. 64 bytes from 10.0.0.240: icmp_req=1 ttl=64 time=0.713 ms I can SSH out from the virt to a host in the outside world fine: ubuntu@test:~$ ssh joe@XXXXX joe@XXXXXX password: -bash: fortune: command not found joe@dixon:~ $ BUT I can't ssh from the virt to my workstation, nor from my workstation to the Virt. Neither does http work. What I am seeing in Tcpdump is a lot of incorrect cksums. This happens with all Tcp connections. 17:12:38.539784 IP (tos 0x0, ttl 64, id 53611, offset 0, flags [DF], proto TCP (6), length 60) 10.0.0.240.56791 > 10.0.41.3.22: Flags [S], cksum 0x3e21 (incorrect -> 0x6de2), seq 2650163743, win 14600, options [mss 1460,sackOK,TS val 28089204 ecr 0,nop,wscale 6], length 0 17:12:38.585279 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 60) 10.0.41.3.22 > 10.0.0.240.56791: Flags [S.], cksum 0x3e21 (incorrect -> 0xe5c5), seq 1530502549, ack 3098447117, win 14480, options [mss 1460,sackOK,TS val 340493 ecr 28089204,nop,wscale 3], length 0 Anyone come across this before? -- joe.
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