From raghav at exzatechconsulting.com Wed May 25 06:11:14 2016 Content-Type: multipart/mixed; boundary="===============8783829582295557041==" MIME-Version: 1.0 From: Anantha Raghava To: users at ovirt.org Subject: [ovirt-users] Struggling to get the network work Date: Wed, 25 May 2016 15:41:06 +0530 Message-ID: <57457A3A.1000707@exzatechconsulting.com> --===============8783829582295557041== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable This is a multi-part message in MIME format. --------------010106010903030101040605 Content-Type: text/plain; charset=3Dutf-8; format=3Dflowed Content-Transfer-Encoding: 7bit Hi, I have a peculiar problem with oVirt 3.6. Any VM connected to ovrtmgmt = is working absolutely fine, bu the VMs (Windows Guests) in different = VLANs say 10, 32, 34, 40, 48 & 69 are not able to even ping their = respective gateways. In other words, network packets are not coming out = of the VMs at all. 1. Our infrastructure consists of Lenovo Flex Chassis with 3 Lenovo x240 = Compute nodes. All nodes are up and running and VMs are also created and = guest OS installed. 2. Chassis switch has a trunk port that carries all VLAN traffic. 3. I have created logical networks and added VLAN tags (10, 32, 24, 40, = 48 & 69). 4. I have attached the vNIC to each host and assigned static IP in = respective VLANs. For example in VLAN 32, the vNIC is assigned with = 172.20.101.70, subnet: 255.255.255.192, Gateway: 172.20.101.65 5. VMs are mapped with respective vNIC and assigned IPs in respective = VLAN. For Example, VM in VLAN 32 has 172.20.101.79 as IP, = 255.255.255.192 as subnet and 172.20.101.65 as gateway. Now, VM is able to ping vNIC in VLAN 32, but neither VM is able to ping = the gateway nor hosts are able to ping vNIC or the VM. We even attempted with replacing a trunk port with access port, but same = issue continues. What could have gone wrong? Any thing missing on oVirt configuration? A quick help is highly appreciated. -- = -- = Thanks & Regards, Anantha Raghava --------------010106010903030101040605 Content-Type: text/html; charset=3Dutf-8 Content-Transfer-Encoding: 7bit Hi,

I have a peculiar problem with oVirt 3.6. Any VM connected to ovrtmgmt is working absolutely fine, bu the VMs (Windows Guests) in different VLANs say 10, 32, 34, 40, 48 & 69 are not able to even ping their respective gateways. In other words, network packets are not coming out of the VMs at all.

1. Our infrastructure consists of Lenovo Flex Chassis with 3 Lenovo x240 Compute nodes. All nodes are up and running and VMs are also created and guest OS installed.
2. Chassis switch has a trunk port that carries all VLAN traffic.
3. I have created logical networks and added VLAN tags (10, 32, 24, 40, 48 & 69).
4. I have attached the vNIC to each host and assigned static IP in respective VLANs. For example in VLAN 32, the vNIC is assigned with 172.20.101.70, subnet: 255.255.255.192, Gateway: 172.20.101.65
5. VMs are mapped with respective vNIC and assigned IPs in respective VLAN. For Example, VM in VLAN 32 has 172.20.101.79 as IP, 255.255.255.192 as subnet and 172.20.101.65 as gateway.

Now, VM is able to ping vNIC in VLAN 32, but neither VM is able to ping the gateway nor hosts are able to ping vNIC or the VM.

We even attempted with replacing a trunk port with access port, but same issue continues.

What could have gone wrong? Any thing missing on oVirt configuration?

A quick help is highly appreciated.

Thanks & Regards,

Anantha Raghava

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+0530 Message-ID: <57458C6C.5090609@exzatechconsulting.com> In-Reply-To: 57457A3A.1000707@exzatechconsulting.com --===============6561859081203145880== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable This is a multi-part message in MIME format. --------------040801060303010400080301 Content-Type: text/plain; charset=3Dutf-8; format=3Dflowed Content-Transfer-Encoding: 7bit Hi, Just to add on the previous mail, the vNIC is added over a Physical NIC = that does not have any IP address, but enabled and connected. -- = Thanks & Regards, Anantha Raghava -------- Forwarded Message -------- Subject: Struggling to get the network work Date: Wed, 25 May 2016 15:41:06 +0530 From: Anantha Raghava Reply-To: raghav(a)exzatechconsulting.com Organization: eXza Technology Consulting & Services To: users Hi, I have a peculiar problem with oVirt 3.6. Any VM connected to ovrtmgmt = is working absolutely fine, bu the VMs (Windows Guests) in different = VLANs say 10, 32, 34, 40, 48 & 69 are not able to even ping their = respective gateways. In other words, network packets are not coming out = of the VMs at all. 1. Our infrastructure consists of Lenovo Flex Chassis with 3 Lenovo x240 = Compute nodes. All nodes are up and running and VMs are also created and = guest OS installed. 2. Chassis switch has a trunk port that carries all VLAN traffic. 3. I have created logical networks and added VLAN tags (10, 32, 24, 40, = 48 & 69). 4. I have attached the vNIC to each host and assigned static IP in = respective VLANs. For example in VLAN 32, the vNIC is assigned with = 172.20.101.70, subnet: 255.255.255.192, Gateway: 172.20.101.65 5. VMs are mapped with respective vNIC and assigned IPs in respective = VLAN. For Example, VM in VLAN 32 has 172.20.101.79 as IP, = 255.255.255.192 as subnet and 172.20.101.65 as gateway. Now, VM is able to ping vNIC in VLAN 32, but neither VM is able to ping = the gateway nor hosts are able to ping vNIC or the VM. We even attempted with replacing a trunk port with access port, but same = issue continues. What could have gone wrong? Any thing missing on oVirt configuration? A quick help is highly appreciated. -- = -- = Thanks & Regards, Anantha Raghava --------------040801060303010400080301 Content-Type: text/html; charset=3Dutf-8 Content-Transfer-Encoding: 7bit

Hi,

Just to add on the previous mail, the vNIC is added over a Physical NIC that does not have any IP address, but enabled and connected.

Thanks & Regards,

Anantha Raghava

-------- Forwarded Message --------

Subje= ct:	Struggling to get the network work
Date:=	Wed, 25 May 2016 15:41:06 +0530
From:=	Anantha Raghava <raghav(a)exzatechconsulting.com= >
Reply= -To:	raghav(a)exzatechconsulting.com
Organ= ization:	eXza Technology Consulting & Services
To: <= /th>	users <users(a)ovirt.org>

Hi,

I have a peculiar problem with oVirt 3.6. Any VM connected to ovrtmgmt is working absolutely fine, bu the VMs (Windows Guests) in different VLANs say 10, 32, 34, 40, 48 & 69 are not able to even ping their respective gateways. In other words, network packets are not coming out of the VMs at all.

1. Our infrastructure consists of Lenovo Flex Chassis with 3 Lenovo x240 Compute nodes. All nodes are up and running and VMs are also created and guest OS installed.
2. Chassis switch has a trunk port that carries all VLAN traffic.
3. I have created logical networks and added VLAN tags (10, 32, 24, 40, 48 & 69).
4. I have attached the vNIC to each host and assigned static IP in respective VLANs. For example in VLAN 32, the vNIC is assigned with 172.20.101.70, subnet: 255.255.255.192, Gateway: 172.20.101.65
5. VMs are mapped with respective vNIC and assigned IPs in respective VLAN. For Example, VM in VLAN 32 has 172.20.101.79 as IP, 255.255.255.192 as subnet and 172.20.101.65 as gateway.

Now, VM is able to ping vNIC in VLAN 32, but neither VM is able to ping the gateway nor hosts are able to ping vNIC or the VM.

We even attempted with replacing a trunk port with access port, but same issue continues.

What could have gone wrong? Any thing missing on oVirt configuration?

A quick help is highly appreciated.

Thanks & Regards,

Anantha Raghava

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the network work Date: Thu, 26 May 2016 11:26:32 +0300 Message-ID: In-Reply-To: 57458C6C.5090609@exzatechconsulting.com --===============4673646693911959959== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable On Wed, May 25, 2016 at 2:28 PM, Anantha Raghava < raghav(a)exzatechconsulting.com> wrote: > > Hi, > > Just to add on the previous mail, the vNIC is added over a Physical NIC > that does not have any IP address, but enabled and connected. > > -- > > Thanks & Regards, > > > Anantha Raghava > -------- Forwarded Message -------- > Subject: Struggling to get the network work > Date: Wed, 25 May 2016 15:41:06 +0530 > From: Anantha Raghava > > Reply-To: raghav(a)exzatechconsulting.com > Organization: eXza Technology Consulting & Services > To: users > > > Hi, > > I have a peculiar problem with oVirt 3.6. Any VM connected to ovrtmgmt is > working absolutely fine, bu the VMs (Windows Guests) in different VLANs s= ay > 10, 32, 34, 40, 48 & 69 are not able to even ping their respective > gateways. In other words, network packets are not coming out of the VMs at > all. > > 1. Our infrastructure consists of Lenovo Flex Chassis with 3 Lenovo x240 > Compute nodes. All nodes are up and running and VMs are also created and > guest OS installed. > 2. Chassis switch has a trunk port that carries all VLAN traffic. > 3. I have created logical networks and added VLAN tags (10, 32, 24, 40, 48 > & 69). > 4. I have attached the vNIC to each host and assigned static IP in > respective VLANs. For example in VLAN 32, the vNIC is assigned with > 172.20.101.70, subnet: 255.255.255.192, Gateway: 172.20.101.65 > 5. VMs are mapped with respective vNIC and assigned IPs in respective > VLAN. For Example, VM in VLAN 32 has 172.20.101.79 as IP, 255.255.255.192 > as subnet and 172.20.101.65 as gateway. > > Now, VM is able to ping vNIC in VLAN 32, but neither VM is able to ping > the gateway nor hosts are able to ping vNIC or the VM. > > We even attempted with replacing a trunk port with access port, but same > issue continues. > > What could have gone wrong? Any thing missing on oVirt configuration? > > A quick help is highly appreciated. > > -- > > > -- > > Thanks & Regards, > > > Anantha Raghava > > > > _______________________________________________ > Users mailing list > Users(a)ovirt.org > http://lists.ovirt.org/mailman/listinfo/users > > Only a guess: On the VM OS, do not define any VLAN on its vnics. Each VM that is assigned to a vlan network on the host will have its traffic tagged only when traffic will go out of the network to the 'world'. So the VM is not aware that the traffic will be tagged when passing through the host. If this is not the case, please share the screenshots of what you configured for one of the networks (including the vnic) and on the VM. 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