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[Openstack] Fwd: Unable to reach the vm from outside[from qrouter unable to reach both internal and external network]

0 votes

Hi,

Recently i have installed the openstack newton on Ubuntu 16.04. Brought up
one controller and 2 compute nodes. All services are up and running unable
to reach the vm from outside

I have logged in to the qrouter tried pinging the internal network as well
the br-ex unable to reach either side

ip netns

qrouter-3dbfca3a-1e95-43db-8901-4ee90d44e3f3
qdhcp-87453284-bf21-4c17-bddf-0742dd394573 (id: 2)
qdhcp-2faf6ae5-21bc-4c2a-8c8f-9bbec5cf2ae6 (id: 1)

ip netns exec qrouter-3dbfca3a-1e95-43db-8901-4ee90d44e3f3 ifconfig

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:65536 Metric:1
RX packets:200 errors:0 dropped:0 overruns:0 frame:0
TX packets:200 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:21596 (21.5 KB) TX bytes:21596 (21.5 KB)

qg-3b436f92-71 Link encap:Ethernet HWaddr fa:16:3e:cd:62:dd
inet addr:172.24.4.5 Bcast:172.24.4.255 Mask:255.255.255.0
inet6 addr: fe80::f816:3eff:fecd:62dd/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:84 errors:0 dropped:0 overruns:0 frame:0
TX packets:161 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:2972 (2.9 KB) TX bytes:7558 (7.5 KB)

qr-9aeaa6a2-c2 Link encap:Ethernet HWaddr fa:16:3e:0c:21:43
inet addr:10.0.0.1 Bcast:10.0.0.255 Mask:255.255.255.0
inet6 addr: fe80::f816:3eff:fe0c:2143/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1450 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:84 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:0 (0.0 B) TX bytes:4148 (4.1 KB)

ovs- configuration at network node

e0c37f1f-4c88-419d-a703-9f6b84325c08
Manager "ptcp:6640:127.0.0.1"
isconnected: true
Bridge br-tun
Controller "tcp:127.0.0.1:6633"
is
connected: true
failmode: secure
Port "gre-0a00001f"
Interface "gre-0a00001f"
type: gre
options: {df
default="true", inkey=flow,
local
ip="10.0.0.100", outkey=flow, remoteip="10.0.0.31"}
Port br-tun
Interface br-tun
type: internal
Port patch-int
Interface patch-int
type: patch
options: {peer=patch-tun}
Bridge br-int
Controller "tcp:127.0.0.1:6633"
isconnected: true
fail
mode: secure
Port int-br-ex
Interface int-br-ex
type: patch
options: {peer=phy-br-ex}
Port "qg-3b436f92-71"
Interface "qg-3b436f92-71"
type: internal
Port "qr-9aeaa6a2-c2"
tag: 1
Interface "qr-9aeaa6a2-c2"
type: internal
Port patch-tun
Interface patch-tun
type: patch
options: {peer=patch-int}
Port br-int
Interface br-int
type: internal
Bridge br-ex
Controller "tcp:127.0.0.1:6633"
isconnected: true
fail
mode: secure
Port br-ex
Interface br-ex
type: internal
Port phy-br-ex
Interface phy-br-ex
type: patch
options: {peer=int-br-ex}
ovs_version: "2.6.1"

ovs-configuration at compute node

--
Thanks & Regards
Amit Kumar


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asked Jul 29, 2017 in openstack by kumaramit124_at_gmai (300 points)  

4 Responses

0 votes

On 07/28/2017 05:54 AM, Amit Kumar wrote:
Hi,

Recently i have installed the openstack newton on Ubuntu 16.04. Brought
up one controller and 2 compute nodes. All services are up and running
unable to reach the vm from outside

I have logged in to the qrouter tried pinging the internal network as
well the br-ex unable to reach either side

Did you update the security groups to allow ICMP?

-Brian

ip netns

qrouter-3dbfca3a-1e95-43db-8901-4ee90d44e3f3
qdhcp-87453284-bf21-4c17-bddf-0742dd394573 (id: 2)
qdhcp-2faf6ae5-21bc-4c2a-8c8f-9bbec5cf2ae6 (id: 1)

ip netns exec qrouter-3dbfca3a-1e95-43db-8901-4ee90d44e3f3 ifconfig

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:65536 Metric:1
RX packets:200 errors:0 dropped:0 overruns:0 frame:0
TX packets:200 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:21596 (21.5 KB) TX bytes:21596 (21.5 KB)

qg-3b436f92-71 Link encap:Ethernet HWaddr fa:16:3e:cd:62:dd
inet addr:172.24.4.5 Bcast:172.24.4.255 Mask:255.255.255.0
inet6 addr: fe80::f816:3eff:fecd:62dd/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:84 errors:0 dropped:0 overruns:0 frame:0
TX packets:161 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:2972 (2.9 KB) TX bytes:7558 (7.5 KB)

qr-9aeaa6a2-c2 Link encap:Ethernet HWaddr fa:16:3e:0c:21:43
inet addr:10.0.0.1 Bcast:10.0.0.255 Mask:255.255.255.0
inet6 addr: fe80::f816:3eff:fe0c:2143/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1450 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:84 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:0 (0.0 B) TX bytes:4148 (4.1 KB)

ovs- configuration at network node

e0c37f1f-4c88-419d-a703-9f6b84325c08
Manager "ptcp:6640:127.0.0.1"
isconnected: true
Bridge br-tun
Controller "tcp:127.0.0.1:6633 "
is
connected: true
failmode: secure
Port "gre-0a00001f"
Interface "gre-0a00001f"
type: gre
options: {df
default="true", inkey=flow,
local
ip="10.0.0.100", outkey=flow, remoteip="10.0.0.31"}
Port br-tun
Interface br-tun
type: internal
Port patch-int
Interface patch-int
type: patch
options: {peer=patch-tun}
Bridge br-int
Controller "tcp:127.0.0.1:6633 "
isconnected: true
fail
mode: secure
Port int-br-ex
Interface int-br-ex
type: patch
options: {peer=phy-br-ex}
Port "qg-3b436f92-71"
Interface "qg-3b436f92-71"
type: internal
Port "qr-9aeaa6a2-c2"
tag: 1
Interface "qr-9aeaa6a2-c2"
type: internal
Port patch-tun
Interface patch-tun
type: patch
options: {peer=patch-int}
Port br-int
Interface br-int
type: internal
Bridge br-ex
Controller "tcp:127.0.0.1:6633 "
isconnected: true
fail
mode: secure
Port br-ex
Interface br-ex
type: internal
Port phy-br-ex
Interface phy-br-ex
type: patch
options: {peer=int-br-ex}
ovs_version: "2.6.1"

ovs-configuration at compute node

--
Thanks & Regards
Amit Kumar


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responded Jul 28, 2017 by haleyb.dev_at_gmail. (880 points)  
0 votes

tcpdumo is your most important friend for this..... try doing a tcpdump on
every destinatuon interface and then figuring out whether it is receiving
packets or not. .. start with most adjacent interfaces first... then
moving farther.. thanks

On Jul 28, 2017 3:09 PM, "Amit Kumar" kumaramit124@gmail.com wrote:

Hi,

Recently i have installed the openstack newton on Ubuntu 16.04. Brought up
one controller and 2 compute nodes. All services are up and running unable
to reach the vm from outside

I have logged in to the qrouter tried pinging the internal network as well
the br-ex unable to reach either side

ip netns

qrouter-3dbfca3a-1e95-43db-8901-4ee90d44e3f3
qdhcp-87453284-bf21-4c17-bddf-0742dd394573 (id: 2)
qdhcp-2faf6ae5-21bc-4c2a-8c8f-9bbec5cf2ae6 (id: 1)

ip netns exec qrouter-3dbfca3a-1e95-43db-8901-4ee90d44e3f3 ifconfig

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:65536 Metric:1
RX packets:200 errors:0 dropped:0 overruns:0 frame:0
TX packets:200 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:21596 (21.5 KB) TX bytes:21596 (21.5 KB)

qg-3b436f92-71 Link encap:Ethernet HWaddr fa:16:3e:cd:62:dd
inet addr:172.24.4.5 Bcast:172.24.4.255 Mask:255.255.255.0
inet6 addr: fe80::f816:3eff:fecd:62dd/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:84 errors:0 dropped:0 overruns:0 frame:0
TX packets:161 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:2972 (2.9 KB) TX bytes:7558 (7.5 KB)

qr-9aeaa6a2-c2 Link encap:Ethernet HWaddr fa:16:3e:0c:21:43
inet addr:10.0.0.1 Bcast:10.0.0.255 Mask:255.255.255.0
inet6 addr: fe80::f816:3eff:fe0c:2143/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1450 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:84 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:0 (0.0 B) TX bytes:4148 (4.1 KB)

ovs- configuration at network node

e0c37f1f-4c88-419d-a703-9f6b84325c08
Manager "ptcp:6640:127.0.0.1"
isconnected: true
Bridge br-tun
Controller "tcp:127.0.0.1:6633"
is
connected: true
failmode: secure
Port "gre-0a00001f"
Interface "gre-0a00001f"
type: gre
options: {df
default="true", inkey=flow,
local
ip="10.0.0.100", outkey=flow, remoteip="10.0.0.31"}
Port br-tun
Interface br-tun
type: internal
Port patch-int
Interface patch-int
type: patch
options: {peer=patch-tun}
Bridge br-int
Controller "tcp:127.0.0.1:6633"
isconnected: true
fail
mode: secure
Port int-br-ex
Interface int-br-ex
type: patch
options: {peer=phy-br-ex}
Port "qg-3b436f92-71"
Interface "qg-3b436f92-71"
type: internal
Port "qr-9aeaa6a2-c2"
tag: 1
Interface "qr-9aeaa6a2-c2"
type: internal
Port patch-tun
Interface patch-tun
type: patch
options: {peer=patch-int}
Port br-int
Interface br-int
type: internal
Bridge br-ex
Controller "tcp:127.0.0.1:6633"
isconnected: true
fail
mode: secure
Port br-ex
Interface br-ex
type: internal
Port phy-br-ex
Interface phy-br-ex
type: patch
options: {peer=int-br-ex}
ovs_version: "2.6.1"

ovs-configuration at compute node

--
Thanks & Regards
Amit Kumar


Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/
openstack
Post to : openstack@lists.openstack.org
Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/
openstack


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responded Jul 28, 2017 by Nasir_Mahmood (3,100 points)   1 2
0 votes

Hi,
From the qrouter able to ping external and dhcp ip but vm is not
getting
dhcp ip address when I use interface_driver
=neutron.agent.linux.interface.OVSInterfaceDriver
the dhcp-agent.ini.

if I use neutron.agent.linux.interface.BridgeInterfaceDriver as my
interface driver vm is getting the ip address

but unable to reach the vm from the qrouter.

in l3-agent.ini if i use interface_driver =
neutron.agent.linux.interface.OVSInterfaceDriver
(qr interface is getting vlan tag as 1) and
I am able to reach the external network from qrouter but unable to ping the
vm.

but if I use interface_driver =
neutron.agent.linux.interface.BridgeInterfaceDriver(qr
interface is set with dead vlan tag 4095)

if this is the case I am able to reach the vm from qrouter but from qrouter
unable to reach the external network.

Thanks & Regards
Amit K

On Fri, Jul 28, 2017 at 9:27 PM, Brian Haley haleyb.dev@gmail.com wrote:

On 07/28/2017 05:54 AM, Amit Kumar wrote:

Hi,

Recently i have installed the openstack newton on Ubuntu 16.04. Brought
up one controller and 2 compute nodes. All services are up and running
unable to reach the vm from outside

I have logged in to the qrouter tried pinging the internal network as
well the br-ex unable to reach either side

Did you update the security groups to allow ICMP?

-Brian

ip netns

qrouter-3dbfca3a-1e95-43db-8901-4ee90d44e3f3
qdhcp-87453284-bf21-4c17-bddf-0742dd394573 (id: 2)
qdhcp-2faf6ae5-21bc-4c2a-8c8f-9bbec5cf2ae6 (id: 1)

ip netns exec qrouter-3dbfca3a-1e95-43db-8901-4ee90d44e3f3 ifconfig

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:65536 Metric:1
RX packets:200 errors:0 dropped:0 overruns:0 frame:0
TX packets:200 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:21596 (21.5 KB) TX bytes:21596 (21.5 KB)

qg-3b436f92-71 Link encap:Ethernet HWaddr fa:16:3e:cd:62:dd
inet addr:172.24.4.5 Bcast:172.24.4.255 Mask:255.255.255.0
inet6 addr: fe80::f816:3eff:fecd:62dd/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:84 errors:0 dropped:0 overruns:0 frame:0
TX packets:161 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:2972 (2.9 KB) TX bytes:7558 (7.5 KB)

qr-9aeaa6a2-c2 Link encap:Ethernet HWaddr fa:16:3e:0c:21:43
inet addr:10.0.0.1 Bcast:10.0.0.255 Mask:255.255.255.0
inet6 addr: fe80::f816:3eff:fe0c:2143/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1450 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:84 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:0 (0.0 B) TX bytes:4148 (4.1 KB)

ovs- configuration at network node

e0c37f1f-4c88-419d-a703-9f6b84325c08
Manager "ptcp:6640:127.0.0.1"
isconnected: true
Bridge br-tun
Controller "tcp:127.0.0.1:6633 "
is
connected: true
failmode: secure
Port "gre-0a00001f"
Interface "gre-0a00001f"
type: gre
options: {df
default="true", inkey=flow,
local
ip="10.0.0.100", outkey=flow, remoteip="10.0.0.31"}
Port br-tun
Interface br-tun
type: internal
Port patch-int
Interface patch-int
type: patch
options: {peer=patch-tun}
Bridge br-int
Controller "tcp:127.0.0.1:6633 "
isconnected: true
fail
mode: secure
Port int-br-ex
Interface int-br-ex
type: patch
options: {peer=phy-br-ex}
Port "qg-3b436f92-71"
Interface "qg-3b436f92-71"
type: internal
Port "qr-9aeaa6a2-c2"
tag: 1
Interface "qr-9aeaa6a2-c2"
type: internal
Port patch-tun
Interface patch-tun
type: patch
options: {peer=patch-int}
Port br-int
Interface br-int
type: internal
Bridge br-ex
Controller "tcp:127.0.0.1:6633 "
isconnected: true
fail
mode: secure
Port br-ex
Interface br-ex
type: internal
Port phy-br-ex
Interface phy-br-ex
type: patch
options: {peer=int-br-ex}
ovs_version: "2.6.1"

ovs-configuration at compute node

--
Thanks & Regards
Amit Kumar


Mailing list: http://lists.openstack.org/cgi
-bin/mailman/listinfo/openstack
Post to : openstack@lists.openstack.org
Unsubscribe : http://lists.openstack.org/cgi
-bin/mailman/listinfo/openstack

--
Thanks & Regards
Amit Kumar


Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
Post to : openstack@lists.openstack.org
Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
responded Jul 29, 2017 by kumaramit124_at_gmai (300 points)  
0 votes

---------- Forwarded message ----------
From: Amit Kumar kumaramit124@gmail.com
Date: Sat, Jul 29, 2017 at 2:39 PM
Subject: Re: [Openstack] Fwd: Unable to reach the vm from outside[from
qrouter unable to reach both internal and external network]
To: Brian Haley haleyb.dev@gmail.com
Cc: openstack@lists.openstack.org, chandra kumar chandr20@gmail.com

Hi,
From the qrouter able to ping external and dhcp ip but vm is not
getting
dhcp ip address when I use interface_driver
=neutron.agent.linux.interface.OVSInterfaceDriver
the dhcp-agent.ini.

if I use neutron.agent.linux.interface.BridgeInterfaceDriver as my
interface driver vm is getting the ip address

but unable to reach the vm from the qrouter.

in l3-agent.ini if i use interface_driver =
neutron.agent.linux.interface.OVSInterfaceDriver
(qr interface is getting vlan tag as 1) and
I am able to reach the external network from qrouter but unable to ping the
vm.

but if I use interface_driver =
neutron.agent.linux.interface.BridgeInterfaceDriver(qr
interface is set with dead vlan tag 4095)

if this is the case I am able to reach the vm from qrouter but from qrouter
unable to reach the external network.

Thanks & Regards
Amit K

On Fri, Jul 28, 2017 at 9:27 PM, Brian Haley haleyb.dev@gmail.com wrote:

On 07/28/2017 05:54 AM, Amit Kumar wrote:

Hi,

Recently i have installed the openstack newton on Ubuntu 16.04. Brought
up one controller and 2 compute nodes. All services are up and running
unable to reach the vm from outside

I have logged in to the qrouter tried pinging the internal network as
well the br-ex unable to reach either side

Did you update the security groups to allow ICMP?

-Brian

ip netns

qrouter-3dbfca3a-1e95-43db-8901-4ee90d44e3f3
qdhcp-87453284-bf21-4c17-bddf-0742dd394573 (id: 2)
qdhcp-2faf6ae5-21bc-4c2a-8c8f-9bbec5cf2ae6 (id: 1)

ip netns exec qrouter-3dbfca3a-1e95-43db-8901-4ee90d44e3f3 ifconfig

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:65536 Metric:1
RX packets:200 errors:0 dropped:0 overruns:0 frame:0
TX packets:200 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:21596 (21.5 KB) TX bytes:21596 (21.5 KB)

qg-3b436f92-71 Link encap:Ethernet HWaddr fa:16:3e:cd:62:dd
inet addr:172.24.4.5 Bcast:172.24.4.255 Mask:255.255.255.0
inet6 addr: fe80::f816:3eff:fecd:62dd/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:84 errors:0 dropped:0 overruns:0 frame:0
TX packets:161 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:2972 (2.9 KB) TX bytes:7558 (7.5 KB)

qr-9aeaa6a2-c2 Link encap:Ethernet HWaddr fa:16:3e:0c:21:43
inet addr:10.0.0.1 Bcast:10.0.0.255 Mask:255.255.255.0
inet6 addr: fe80::f816:3eff:fe0c:2143/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1450 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:84 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:0 (0.0 B) TX bytes:4148 (4.1 KB)

ovs- configuration at network node

e0c37f1f-4c88-419d-a703-9f6b84325c08
Manager "ptcp:6640:127.0.0.1"
isconnected: true
Bridge br-tun
Controller "tcp:127.0.0.1:6633 "
is
connected: true
failmode: secure
Port "gre-0a00001f"
Interface "gre-0a00001f"
type: gre
options: {df
default="true", inkey=flow,
local
ip="10.0.0.100", outkey=flow, remoteip="10.0.0.31"}
Port br-tun
Interface br-tun
type: internal
Port patch-int
Interface patch-int
type: patch
options: {peer=patch-tun}
Bridge br-int
Controller "tcp:127.0.0.1:6633 "
isconnected: true
fail
mode: secure
Port int-br-ex
Interface int-br-ex
type: patch
options: {peer=phy-br-ex}
Port "qg-3b436f92-71"
Interface "qg-3b436f92-71"
type: internal
Port "qr-9aeaa6a2-c2"
tag: 1
Interface "qr-9aeaa6a2-c2"
type: internal
Port patch-tun
Interface patch-tun
type: patch
options: {peer=patch-int}
Port br-int
Interface br-int
type: internal
Bridge br-ex
Controller "tcp:127.0.0.1:6633 "
isconnected: true
fail
mode: secure
Port br-ex
Interface br-ex
type: internal
Port phy-br-ex
Interface phy-br-ex
type: patch
options: {peer=int-br-ex}
ovs_version: "2.6.1"

ovs-configuration at compute node

--
Thanks & Regards
Amit Kumar


Mailing list: http://lists.openstack.org/cgi
-bin/mailman/listinfo/openstack
Post to : openstack@lists.openstack.org
Unsubscribe : http://lists.openstack.org/cgi
-bin/mailman/listinfo/openstack

--
Thanks & Regards
Amit Kumar

--
Thanks & Regards
Amit Kumar


Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
Post to : openstack@lists.openstack.org
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responded Jul 31, 2017 by kumaramit124_at_gmai (300 points)  
...