[Openstack-operators] IPV6 help liberty

suresh kumar boilingbabu at gmail.com
Tue Jul 12 18:55:26 UTC 2016


Hi All,

I have created IPv6 vlan in neutron with DHCPv6 stateful option, when I
create instances with this ipv6 vlan dhcp is failing to assign the IP to
instances and it is assigning link local address

I am able to ping the GW with link local address but not the
other instances on same vlan

Is there any configuration need to be done in neutron to make this work? my
ipv6 vlan is rotatable so I didn't attached to any router interface inside
neutron.



Starting network...
udhcpc (v1.20.1) started
Sending discover...
Sending discover...
Sending discover...
Usage: /sbin/cirros-dhcpc <up|down>
No lease, failing
WARN: /etc/rc3.d/S40-network failed
cirros-ds 'net' up at 181.00
checking http://169.254.169.254/2009-04-04/instance-id
failed 1/20: up 181.01. request failed
failed 2/20: up 183.14. request failed
failed 3/20: up 185.15. request failed
failed 4/20: up 187.15. request failed
failed 5/20: up 189.16. request failed
failed 6/20: up 191.16. request failed
failed 7/20: up 193.17. request failed
failed 8/20: up 195.18. request failed
failed 9/20: up 197.18. request failed
failed 10/20: up 199.19. request failed
failed 11/20: up 201.19. request failed
failed 12/20: up 203.20. request failed
failed 13/20: up 205.20. request failed
failed 14/20: up 207.21. request failed
failed 15/20: up 209.21. request failed
failed 16/20: up 211.22. request failed
failed 17/20: up 213.23. request failed
failed 18/20: up 215.24. request failed
failed 19/20: up 217.25. request failed
failed 20/20: up 219.25. request failed
failed to read iid from metadata. tried 20
no results found for mode=net. up 221.26. searched: nocloud configdrive ec2
failed to get instance-id of datasource
Starting dropbear sshd: generating rsa key... generating dsa key... OK
=== system information ===
Platform: Fedora Project OpenStack Nova
Container: none
Arch: x86_64
CPU(s): 1 @ 2666.760 MHz
Cores/Sockets/Threads: 1/1/1
Virt-type:
RAM Size: 491MB
Disks:
NAME MAJ:MIN       SIZE LABEL         MOUNTPOINT
vda  253:0   1073741824
vda1 253:1   1061061120 cirros-rootfs /
=== sshd host keys ===
-----BEGIN SSH HOST KEY KEYS-----
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAAAgwCRhQrIzrhy2Ce2ZsStVSan1fpu+nA33goWd8qY2yQQUM2OXtkg33DUvcrvezcSeSvn7B+A8UBA5XZIzygf/EZxIaTaB4LLOAf+Li1yD1IYu3ortFGIWGpif6YldWMYoHkKR7/q53fGLluvIczkLZ40zGBSaVyzuuXTG9b2kZKBq98D
root at cirros
ssh-dss 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
root at cirros
-----END SSH HOST KEY KEYS-----
=== network info ===
if-info: lo,up,127.0.0.1,8,::1
if-info: eth0,up,,8,fe80::f816:3eff:fe63:9b93
=== datasource: None None ===
=== cirros: current=0.3.4 uptime=221.49 ===
route: fscanf
=== pinging gateway failed, debugging connection ===
############ debug start ##############
### /etc/init.d/sshd start
Starting dropbear sshd: OK
route: fscanf
### ifconfig -a
eth0      Link encap:Ethernet  HWaddr FA:16:3E:63:9B:93
          inet6 addr: fe80::f816:3eff:fe63:9b93/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:31 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:2462 (2.4 KiB)  TX bytes:1320 (1.2 KiB)

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:16436  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)

### route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
route: fscanf



Thanks,
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