VLAN and Networking and Virtual NIC

HI,
I have installed Oracle VM 3.2.2, the problem we are getting is when we change the VLAN network for the VM guest OS (OEL 5.5) from Oracle VM Server. the changes doesn't effect. I have shutdown the guest OS and remove the virtual network interface and need to add a new NIC with different MAC to modify the VLAN.
e.g.
there are two VLAN (segment 10 and 20) 192.168.10.0/24 and 192.168.20.0/24. defined in Oracle VM Server and assigned to all physical hosts.
if I assign segment 10 initially to the guest OS it works fine, but If we want to modify the segment it needs to remove the virtual NIC and have to add a different NIC with different MAC address to fix the issue.
Need to change the vlan segment without removing the NIC/MAC.

I don't think you can do this in rc.conf because you can't have colons (:) in bash variable names I don't believe...
You can just add it to rc.local like:
ip a a x.x.x.x/yy dev eth0
Replace x.x.x.x/yy with the appropriate IP address and CIDR mask.

Similar Messages

When setting up converged network in VMM cluster and live migration virtual nics not working

Hello Everyone,
I am having issues setting up converged network in VMM. I have been working with MS engineers to no avail. I am very surprised with the expertise of the MS engineers. They had no idea what a converged network even was. I had way more
experience then these guys and they said there was no escalation track so I am posting here in hopes of getting some assistance.
Everyone including our consultants says my setup is correct.
What I want to do:
I have servers with 5 nics and want to use 3 of the nics for a team and then configure cluster, live migration and host management as virtual network adapters. I have created all my logical networks, port profile with the uplink defined as team and
networks selected. Created logical switch and associated portprofle. When I deploy logical switch and create virtual network adapters the logical switch works for VMs and my management nic works as well. Problem is that the cluster and live
migration virtual nics do not work. The correct Vlans get pulled in for the corresponding networks and If I run get-vmnetworkadaptervlan it shows cluster and live migration in vlans 14 and 15 which is correct. However nics do not work at all.
I finally decided to do this via the host in powershell and everything works fine which means this is definitely an issue with VMM. I then imported host into VMM again but now I cannot use any of the objects I created and VMM and have to use standard
switch.
I am really losing faith in VMM fast.
Hosts are 2012 R2 and VMM is 2012 R2 all fresh builds with latest drivers
Thanks

Have you checked our whitepaper http://gallery.technet.microsoft.com/Hybrid-Cloud-with-NVGRE-aa6e1e9a for how to configure this through VMM?
Are you using static IP address assignment for those vNICs?
Are you sure your are teaming the correct physical adapters where the VLANs are trunked through the connected ports?
Note; if you create the teaming configuration outside of VMM, and then import the hosts to VMM, then VMM will not recognize the configuration.
The details should be all in this whitepaper.
-kn
Kristian (Virtualization and some coffee: http://kristiannese.blogspot.com )

My i phone will not open my yahoo mail, but sits and spins. I have reset the phone and network and still no help. Any other ideas?

My i-phone stopped receiving e-mail on a regular basis. Rather, it will sit and spin trying to load and then stop. Usually, sometime in the night, it will all of a sudden load all of my mail, but then will not load new mail again. I have updated and reset the phone and network, and the problem remains the same. Does anyone know a fix for this issue?

Try deleting the account, restarting your phone and then reinputting the account.

Wifi icon and network and sharing center show no connection but I have full access

The wifi icon has an orange "ball" on it. Left click and it shows I am connected to my wifi. But at the top of the window is says "not connected." Go to Network and sharing center and it shows a red x going to the router.
All this and I have full access to the internet. What is going on? How to fix?
Duane G. Leet, PhD 45 years experience in technology

Hi，
For this issue, first I suggest you keep the latest driver for the network adapter, and disable other network adapters except the one you're using now, check if this issue persists.
or you can delete this wifi profile in manage wireless networks, then manually reconnect to this wifi, check if it make any difference.
I also would like to share this link with you
The Network Connection Status Icon
http://blogs.technet.com/b/networking/archive/2012/12/20/the-network-connection-status-icon.aspx
Yolanda Zhu
TechNet Community Support

Firmware Versions and networks and / sim free...

As has been stated elsewhere ad nuaseum...
There are various forms of firmware avilable for the phones out there.
Can we start a post that states the phone, whether networked or sim free, the country and the version of firmware.
In this way we ALL know what is the most upto date version for our handsets, networks and countries etc
NOTE to moderators!
Can we ensure the the format and content of subsequent posts is kept to the following example (please) : -
N95
Vodafone UK
V 10.0.0.018
15-03-07
RM-159
Nokia N95 (41.01)
TIA
JG
If it isn't fun you are doing it wrong
N95, N80, N73, P990, P910, P900, 6230i, K750i, 8210

Come on people, information is the key to knowledge and power.
If we know what is and is not availble by network we can exert pressure on the networks who have NOT released their B*st*rd*s*d versions of firmware.
We all benefit and we have the advantage of knowing that it availble in HK or Dubai but not here etc
Knowledge is TRUE POWER!
JG
If it isn't fun you are doing it wrong
N95, N80, N73, P990, P910, P900, 6230i, K750i, 8210

How to get "fast user switching" and network shares playing nice

I've been alternating between banging my head against a wall and reading every forum I could find to try and get a reasonable compromise between using "Fast user switching" and sharing a folder from a file server. It baffles me how the network share/mount model of OSX/AFP is completely killed by fast-user-switching; this is a big problem with Apple requiring users to be actively logged in to share music/video from iTunes which therefore essentially requires fast-user-switching if anyone else wants to use the computer. (anyone find it odd that you can share files without being logged in, but sharing songs requires an active login for each user who is sharing? Apple: time to make iTunes sharing a service!)
For the sake of example, lets just say I want to share my /Groups folder from my desktop and have it be accessible to my laptop. Here are all the things that I tried:
Apple Method 1) Share /Groups in the Server.app on the desktop (running Lion Server), use finder on the laptop and drag the share icon to "Login Items", alternative use a startup Apple script using "mount volume" Both of the options work and will mount the /Groups folder under /Volumes/Groups, of course when the second person logs in via fast-user-switching (and occasionally the first person for no apparent reason), they will get /Volumes/Groups-1 since /Volumes/Groups is already taken. Tomorrow we log in a different order and now the previously /Volumes/Groups-1 user has their mount at /Volumes/Group and vice versa. Any links, aliases, finder sidebar references, and application settings which pointed to yesterday's location are now BROKEN. Not very user friendly to my mother-in-law who is trying to find those pictures of the kids and doesn't know anything about mount points. I also can't reasonably mirror the file location structure on the desktop so that application preferences that are synced between the two (portable home directories) work. fail.
Apple Method 2) Use automounter and set up by hand direct maps for /Groups or an indirect maps for the children of /Groups. Now it will automatically get mounted to /network/servers/SERVER/Groups/ on the laptop and on the desktop it will automatically create a similar symlink structure so that the same path (/network/servers/SERVER/Groups) work both on desktop and laptop. Cool. Except when the second person logs in, the /network/servers/SERVER/Groups/ mountpoint is already owned by the first user and they don't have any permissions to access it. Fail.
Apple Method 3) Use mount_afs and specify directly the mount-points. Have each user have their own startup AppleScript which mounts /Groups to a different location (e.g. /Users/Shared/username/Groups) that way they don't conflict with multiple users. On the desktop, set up symlinks from /Users/Shared/username/Group to /Groups so that it will be the same as the client and applications settings will work when synchronized back/forth by portable-home-directories. Will it work, yes it does, but what a bear to maintain. Is this really what I should expect to do just to have multiple users on my desktop and laptop (which again is essentially required now if I want to do any type of iTunes sharing). This can't be what apple expects.
What I ended up doing - the "not quite apple" solution.
Non-Apple Method 4) After a read of "Autofs: Automatically Mounting Network File Shares in Mac OS X" (http://images.apple.com/business/docs/Autofs.pdf) at the very end there is a single paragraph of "Kerberized NFS": "A Kerberized NFS mount can have multiple connections from multiple users, each using the correct user’s credentials for each transaction. This allows administrators to support multiple users, each authenticated with their own credentials to the same mount point. This is very different from AFP and SMB mounts," (emphasis mine)
It appears that by using good 'ole NFS (abeint with Kerberos for security!) you can actually have multiple users on the same mount point. Roughly following the guidance at https://support.apple.com/kb/TA24986?viewlocale=en_US. What I needed to do was:
1) create /etc/exports on my desktop and add a single line "/Groups -sec=krb5". The existence of /etc/exports triggered a start of nfsd which no longer has any GUI options in Lion.
2) Add a line to /etc/auto_master on my laptop "/- auto_mymounts" to reference a new direct map.
3) Create /etc/auto_mymounts and add a single line "/Groups SERVER:/Groups" to create the direct map.
THAT'S IT. Three lines in three files.
Now when I log into my laptop, there is a /Groups that is a network mount of my desktop's /Groups, same location AND it works for all of my users, even simultaneously.
In the end I'm happy with what I've got, but man was this a difficult path just to support fast-user-switching. In Lion, Apple appears to be getting away from NFS (no longer turned on by default and remove from the GUI controls) but clearly this really useful functionality which doesn't exist in AFP.
I'm really curious, after all this work. Any other ways to accomplish this?

In my example above, yes I chose to mount the share "Groups" to the top of the root since that is where I put it on my server and I wanted to keep them similar; but that was just my preference, it isn't a requirement. You can export and mount from other directories.

Finder freezes and Networking and Locked drives will not unlock

I have been having trouble with my Mini'S finder freezing when I try to connect to another computer. Sometimes it works OK but it often freezes, beachball and cannot relaunch finder, have to reboot. The mini is Intel Duo, Network is 6 windows machines and 1 g5 PPC 1.8 single. An Apple Airport Extreme, a Linksys router and a Buffalo router, I can connect to the Win machines no problem but , like I said, often when connecting to the G5 I get the Finder Crash, but only about 60 % of the time. I have sharing turned on, Personal and Windows on both machines. I am admin on both. Also the MINI drops Network connections which have been working for a few hours.
I am beginning to think the MINI's Network card is bad.
ANother maybe related issue, from the MINI, 2 drives on the G5 appear as Locked, I have repeatedly unlocked them with Xray and by the terminal, from the G5 (to which the drives are attached) the drives show unlocked but always from the mini they appear as locked. I have tried to unlock them form the MINIS terminal but get a long Beach Ball.
Both the G5 and Mini are running the latest OSX and everything else is updated.
Anyone else relate to these issues? thank you,
Steve
pmac 1.8 single, MIni Duo Mac OS X (10.4.6)

0. In order to unlock screen highlight a # and double click it to enter, do this until screen is unlocked. Then highlight "settings"
1.       Double tap screen to go into settings
2.      use 3 fingers to (swipe) scroll down/up
3a.     highlight reset, then double tap on the screen
OR
3b Highlight accessiblity - voiceover - on/off
(There is also a voiceover pratice option in that accessbility menu)

I have installed the new i OS 7 on my IPAD, I am having trouble with sending messages. I reset the imessage and networking as I did for the iphone but it still does not allow messages to be deleivered. any suggestions?

I have installed the new iOS 7 on my I Pad and am having trouble with messaging, I reset the imessages and networking and the messages are still not being deleivered.

Reset all settings
Settings>General>Reset>Reset All Settings
Note: Data will not be affected but settings will be reset.

Using NIC Teaming and a virtual switch for Windows Server 2012 host networking and Hyper-V.

Using NIC Teaming and a virtual switch for Windows Server 2012 host networking!
http://www.youtube.com/watch?v=8mOuoIWzmdE
Hi thanks for reading. Now I may well have my terminology incorrect here so I will try to explain as best I can and apologies from the start.
It’s a bit of both Hyper-v and Server 2012R2.
I am setting up a lab with Server 2012 R2. I have several physical network cards that I have teamed called “HostSwitchTeam” from those I have made several Virtual Network Adaptors such as below
examples.
New-VMSwitch "MgmtSwitch" -MinimumBandwidthMode weight -NetAdaptername "HostSwitchTeam" -AllowManagement $false
Add-VMNetworkAdapter -ManagementOS -Name "Vswitch" -SwitchName "MgmtSwitch"
Add-VMNetworkAdapter -ManagementOS -Name "Cluster" -SwitchName "MgmtSwitch"
When I install Hyper-V and it comes to adding a virtual switch during installation it only shows the individual physical network cards and the
HostSwitchTeam for selection. When installed it shows the Microsoft Network Multiplexor Driver as the only option.
Is this correct or how does one use the Vswitch made above and incorporate into the Hyper-V so a weight can be put against it.
Still trying to get my head around Vswitches,VMNetworkadapters etc so somewhat confused as to the way forward at this time so I may have missed the plot altogether!
Any help would be much appreciated.
Paul
Paul Edwards

Hi P.J.E,
>>I have teams so a bit confused as to the adapter bindings and if the teams need to be added or just the vEthernet Nics?.
Nic 1,2
HostVMSwitchTeam
Nic 3,4,5
HostMgmtSwitchTeam
>>The adapter Binding settings are:
HostMgmtSwitchTeam
V-Curric
Nic 3
Nic 4
Nic 5
V-Livemigration
HostVMSwitch
Nic 1
Nic 2
V-iSCSI
V-HeartBeat
Based on my understanding of the description , "HostMgmtSwitchTeam and
HostVMSwitch " are teamed NIC .
You can think of them as two physical NICs (do not use NIC 1,2,3,4,5 any more , there are just two NICs "HostMgmtSwitchTeam and
HostVMSwitch").
V-Curric,
V-Livemigration , V-iSCSI ,
V-HeartBeat are just VNICs of host (you can change their name then check if the virtual switch name will be changed )
Best Regards
Elton Ji
We
are trying to better understand customer views on social support experience, so your participation in this
interview project would be greatly appreciated if you have time.
Thanks for helping make community forums a great place.

Add network card to virtual machine and all available virtual networks aren't showing

Have a Hyper V 2012 cluster....we have a network card cabled for our DMZ network ...it's enabled.
Under a host in cluster in Virtual Switch Manager we have the virtual switch configured as external and it matches up with NIC number in the OS network connections...NIC 9. It's configured like the other virtual switches that are showing.
On our Hyper V Mgr console...under VM Networks..the DMZ network shows...I checked...settings same as other networks.
Still on our Hyper V Mgr console..under Logical Networks...the DMZ network shows...I checked...settings same as other networks.
When we go into Virtual Machine Mgr...hardware configuration for VM we created...add network adapter...the DMZ network doesn't show up in the list for VM networks so we can't assign IP or really add NIC in general.
I was able to go to an actual Hyper V host...under Hyper V Mgr that the VM was running on this particular host and I was able to add a network card/virtual switch..VM can ping devices...however if I go into the Hyper V Mgr in the Hyper V Mgr server and go
to properites of VM...a NIC is not listed.

Have a Hyper V 2012 cluster....we have a network card cabled for our DMZ network ...it's enabled.
Under a host in cluster in Virtual Switch Manager we have the virtual switch configured as external and it matches up with NIC number in the OS network connections...NIC 9. It's configured like the other virtual switches that are showing.
On our Hyper V Mgr console...under VM Networks..the DMZ network shows...I checked...settings same as other networks.
Still on our Hyper V Mgr console..under Logical Networks...the DMZ network shows...I checked...settings same as other networks.
When we go into Virtual Machine Mgr...hardware configuration for VM we created...add network adapter...the DMZ network doesn't show up in the list for VM networks so we can't assign IP or really add NIC in general.
I was able to go to an actual Hyper V host...under Hyper V Mgr that the VM was running on this particular host and I was able to add a network card/virtual switch..VM can ping devices...however if I go into the Hyper V Mgr in the Hyper V Mgr server and go
to properites of VM...a NIC is not listed.

Guest network and multiple VLANs

Hello all,
I have installed a pair of 5508 controllers in our network. One controller sits inside the network and APs are configured to associate with that controller. The second controller sits on a DMZ interface off the ASA. I have a guest network configured and it works great. I would like to configure additional guest networks at remote locations. Each guest WLAN will have it's own SSID. Is it possible to map all of these to the same VLAN? Or do I need a seperate VLAN and subnet for each SSID.
Thanks

Scott,
Thanks for the reply. I have created different SSIDs and mapped them to the same VLAN. Everything looks good but I'm getting some strange behaviors on the new SSIDs. It appears that users don't authenticate but I've verified the credentials quite a few times. I wanted to make sure that you could map multiple SSIDs to the same VLAN before I continued troubleshooting.

The same network and id vlan in different contex in the same ACE

Hello,
I want to know if I can create 2 context in an ACE with the same ID Vlans that other context and this can be in the same network, in the configuration I explain.
Best Regards
++++++++Switch C6513++++++++
svclc multiple-vlan-interfaces
svclc module 6 vlan-group 100
svclc module vlan-group 100 60,233
vlan 60
name inside
vlan 233
name outside
interface vlan 233
ip address 10.24.16.1 255.255.255.0
no shutdown
++++++++Context Admin++++++++
hostname ACE-MOD6
ft interface vlan 350
ip address 10.24.15.34 255.255.255.248
peer ip address 10.24.15.33 255.255.255.248
no shutdown
ft peer 1
heartbeat interval 200
heartbeat count 20
ft-interface vlan 350
ft group 1
peer 1
priority 200
peer priority 150
associate-context Admin
inservice
context SERV1
description SERV1
allocate-interface vlan 60
allocate-interface vlan 233
context SERV2
description SERV2
allocate-interface vlan 60
allocate-interface vlan 233
ft group 2
peer 1
priority 200
peer priority 150
associate-context SERV1
inservice
ft group 3
peer 1
priority 150
peer priority 200
associate-context SERV2
inservice
++++++Contex SERV1++++++
interface vlan 60
ip address 10.24.8.5 255.255.255.0
no shutdown
interface vlan 233
ip address 10.24.16.5 255.255.255.0
no shutdown
ip route 0.0.0.0 0.0.0.0 10.24.16.1
++++++Contex SERV2++++++
interface vlan 60
ip address 10.24.8.6 255.255.255.0
no shutdown
interface vlan 233
ip address 10.24.16.6 255.255.255.0
no shutdown
ip route 0.0.0.0 0.0.0.0 10.24.16.1

Sharing Vlans is possible in routed mode.
Its not possible when ACE is operating in Bridge mode.
You need to use unique IP addresses in each context for shared vlans.
Also make sure to use " shared-vlan-hostid " command.
When contexts share a VLAN, the ACE assigns a different MAC address to the VLAN on each context. The MAC addresses reserved for shared VLANs are 0x001243dc6b00 to 0x001243dcaaff, inclusive. All ACE modules derive these addresses from a global pool of 16k MAC addresses. This pool is divided into 16 banks, each containing 1,024 addresses. An ACE supports only 1,024 shared VLANs, and would use only one bank of MAC addresses out of the pool.
By default, the bank of MAC addresses that the ACE uses is randomly selected at boot time. However, if you configure two ACE modules in the same Layer 2 network and they are using shared VLANs, the ACEs may select the same address bank and use the same MAC addresses. To avoid this conflict, you need to configure the bank that the ACEs will use. "
Above paragraph & More details at
http://www.cisco.com/en/US/docs/interfaces_modules/services_modules/ace/v3.00_A2/command/reference/config.html#wp1447465
Syed Iftekhar Ahmed

Virtual NIC, DHCP and rc.conf

Hello!
I'm running an Arch box as my home server. My ISP offers me 5 public IP addresses, and I would like to have 2 assigned to my server. Is it possible to get Arch to use two ip addresses on the same NIC using rc.conf? I would also like to have the virtual NIC pull an IP address from the DHCP server.
Thanks!

I don't think you can do this in rc.conf because you can't have colons (:) in bash variable names I don't believe...
You can just add it to rc.local like:
ip a a x.x.x.x/yy dev eth0
Replace x.x.x.x/yy with the appropriate IP address and CIDR mask.

VLAN with PAT and 3 networks...I need help with design!

I've been tasked with a major upgrade to my current network and internet access.
1.     I need to have an internal private network with access to the internet. This will be for large meetings, and I'll use a private network with 2048 addresses.
2.     I also will have a small publid network with 8 routable addresses for Firewall, Web Server, PAT (NAT overload) for the above Private network internet access.
3.     I want to split a class C address into two networks to allow one network (128 addresses) for Guest use that need routable addresses, and a second network (the other 128 addresses) for specific meetings that also need routable addresses.
I have:
I have been issued a router from my ISP. They have allocated me one .248 network with 8 addresses (6 usable) and a full class C network.
A Cisco 1841 router with 2 FA ethernet ports. I would like to use one FA port at the outside (to my ISP router) and the other FA port as my Inside port (to all other networks). I will do NAT Overload.
I also have a Layer 3 Catylist 3750 switch.
Do I need to set up VLANs for each Network?
Can I place my network hardware on the 10 network?
Do I need router sub interfaces for my VLANs and can I PAT on a Subinterface?

Hi Brian
1. Do I need to set up VLANs for each Network?
Create seperate VLANS for each subnet and do the intervlan routing on 3750
2. Can I place my network hardware on the 10 network?
Yes
3. Do I need router sub interfaces for my VLANs and can I PAT on a Subinterface?
Not required. You can do the intervlan routing on your Layer 3 3750 switch. From 3750 you can point a default-route to the router.
On the router you can perform PAT based on an ACL. Also you need to add Static NAT for your Webserver etc
Thank you
Raju

Unidentified network" with Server 2012 R2 and windows 8- Domain & NIC teaming

i have problem with my network ,before that i had just my domain but now some servers specially win 2012 detect a network (name:network 4)
my 2012 windows server cannot be joined to doman also windows 8,but sometimes this problem solves without any troubleshooting and i can join again
what can be problem
S.Sanadi

Hi S.Sanadi,
According to your description, my understanding is that “Unidentified Network” causes problem with joining domain, and this problem will be resolved automatically.
If there is no default gateway or the default gateway is useless, the network will be identified as unknown. Check to see if the IP configuration is correct when the network identified unknown. Open command prompt and type:
Ipconfig /all
If the parameter is correct, try to ping IP address of default gateway and check to see if it works well.
Besides, if the connection should be identified as a Domain network and is not, then the likely causes are failure to contact DNS servers or domain controllers on that interface. Ping the IP address of DNS server and DC to make sure that these resources
are available.
Regards,
Eve Wang

VLAN and Networking and Virtual NIC

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