HI:
I get essex(flatdhcp),
i have mulit network in my instance,
create network like this:
#nova-manage network create --label=public
--fixed_range_v4=10.0.0.0/24--network_size=255 --bridge=public
--bridge_interface=em2 --multi_host=T
#nova-manage network create --label=private
--fixed_range_v4=10.0.1.0/24--network_size=255 --bridge=private
--bridge_interface=em3 --multi_host=T
netwrok list
# nova-manage network list
id IPv4 IPv6 start address DNS1 DNS2
VlanID project uuid
1 10.0.0.0/24 None 10.0.0.2 8.8.4.4 None
None None b66ea728-9ac5-42ba-b666-82adc1dad37f
2 10.0.1.0/24 None 10.0.1.2 8.8.4.4 None
None None 3b4aecd6-5541-4dda-bd45-d21c4a0701b3
like this,the instance can work correct,
the instance default route to public is 10.0.1.*（i hope the default route
is 10.0.0.*）
but when i assignation an floating ip to the instance,the floating ip
assignation
to ip (10.0.0.*) of the instance not 10.0.1.*,so the instance's network
has wrong,'
so, i get this,use_single_default_gateway=True in nova.conf, in this
situation,sometime the instance can't get route,the instance's network
can't work.
like this:
[image: 内嵌图片 6]
it shoud be like this:
[image: 内嵌图片 7]
is there anyone can help me?
thank very much :)
<<image.png>>
<<image.png>>
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