My OpenStack environment is running under traditional VLAN model. Currently, I have two VMs which is running Ubuntu 12.04 server and their Fixed IP is:
Host 1: eth0: 172.16.0.3 Host 2: eth0: 172.16.0.5 Then I add a subinterface to each VM like this: Host 1: eth0:1 192.168.2.2 Host 2: eth0:1 192.168.2.3 My network configuration looks like: auto eth0 iface eth0 inet dhcp auto eth0:1 iface eth0:1 inet static address *192.168.2.3* netmask 255.255.255.0 Also in the access & security I open icmp there, but I don't think this is related to my issue. Then I try to run ping host2 from host1, and it works. Then on Host1, I run: ping 172.16.0.5 -I 192.168.2.2 -> *NO RESPONSE* ping 192.168.2.3 -> *Destination Host Unreachable* * * I didn't modify the route table, and it looks like: Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface default 172.16.0.4 0.0.0.0 UG 100 0 0 eth0 172.16.0.0 * 255.255.255.0 U 0 0 0 eth0 192.168.2.0 * 255.255.255.0 U 0 0 0 eth0 Anyone know how can I access the host2 through my subinterface? Thanks a lot. - Ray Yours faithfully, Kind regards. CIeNET Technologies (Beijing) Co., Ltd Email: qsun01...@cienet.com.cn Office Phone: +86-01081470088-7079 Mobile Phone: +86-13581988291
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