On Tue, Feb 26, 2013 at 11:02 PM, Aaron Rosen <aro...@nicira.com> wrote:
> inline > > On Tue, Feb 26, 2013 at 10:51 PM, Ajiva Fan <aji.zq...@gmail.com> wrote: > >> greeting, stackers >> >> i deploy essex with flatdhcp, it works for a long time, but currently >> i want to use vlan network, so i deploy a new environment everything >> is same as the previous one, just use vlan network. >> >> here is the probelm: >> i cannot ping vm on other compute node >> >> control node (all-in-one) >> public nic(eth0): 172.16.1.12 >> vlan nic(eth1): >> vlan105 >> br105 10.0.12.6 >> compute node(nova-compute, nova-network) >> public nic(eth0): 172.16.1.13 >> vlan nic(eth1): >> vlan105 >> br105 10.0.12.4 >> >> now i create 2 vm, one is 10.0.12.5 on control node, another one is >> 10.0.12.3 on compute node >> >> i cannot ping 10.0.12.4 from control node, so i cannot ping 10.0.12.3 >> neither >> >> using tcpdump -nnxx -i eth1 host 10.0.12.3, i capture ARP package from >> control node with vlan tag 8100 0069 0806 0001 0800 0604, so i think >> it works right so far. but on compute node i use tcpdump -i eth1 host >> 10.0.12.3 and get nothing. >> >> the cables connect to eth1 are plugged into a cisco catalyst 2950 >> swither port 22 and 23, working under trunk mode, it allows all vlan >> by default >> >> i guess the problem may be caused by wrong setting of switcher since >> packets are dropped, but i'm not very sure. >> >> > You could do: > > on host connected to port 22 on the switch > vconfig add eth1 5 > ifconfig eth0.5 10.2.2.2/24 > > on host connected on port 23 > vconfig add eth1 5 > ifconfig eth0.5 10.2.2.3/24 > > and then try to ping through the switch (ping 10.2.2.2) in order switch to > rule it out. > > ** In order to rule the switch out. > after two days search answer on the internet, i've no idea how to >> solve this question, so please help me >> >> _______________________________________________ >> Mailing list: https://launchpad.net/~openstack >> Post to : openstack@lists.launchpad.net >> Unsubscribe : https://launchpad.net/~openstack >> More help : https://help.launchpad.net/ListHelp >> > >
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