One way ping through new switch

NetTechMike wrote:
If a ping works one way, then it is almost always the firewall on the end of the connection
PING isn't a one way traffic item. It is bi-directional.
The ICMP echo request goes out and the reply is what you see at the command prompt when you get a "reply received"
So, if PING really is replying with a proper response and not a "destination host unreachable" then there isn't a thing wrong on the routing side, it'll be the firewall.

Hello!A few days back we installed a new switch (HP 1620-24G JG913A) for a new office inside our building. The switch is connected to the same one in our server room. The computers inside the office are functioning perfectly as far as the users are concirned. They can use network printers, open helpdesk tickets, access the intranet, internet, etc.
However, even though everything was functioning well in the old office (the machines are the same ones), nothing going the other way can get through. They can't be pinged, Spiceworks doesn't recognize them (although they have agents installed), and, well, that's not nice.The two switches are configured identically, and googling for the solution hasn't turned up anything usable (for me). For now it's not a big issue, but I'd like to solve it, so that it wouldn't become a problem later.Any help...
This topic first appeared in the Spiceworks Community

Similar Messages

  • Inconsistent/one-way sync between new iPhone and MS Exchange

    So this is weird. When I use my work PC and add a calendar item in MS Office, the exchange server (which is synced to my iPhone) sends the calendar item to my phone. But when I add a calendar item on my phone, it does not appear in my PC laptop's Office calendar. Although, sometimes when I enter something in the iphone and I'm sitting right next to my computer (and on wifi instead of 3G in the last case), it does occassional sync both ways. Can anyone possibly help with this?

    Sounds like some kind of server confusion over which device is considered 'authoritative'.
    A few syncs later does the iPhone and the server end up 'losing' those appointments, or do they stay on both devices but just never turn up on your iteration of Outlook?

  • One way ping happens however reverse does not work.

    I have two hosts ssux0049 and nus642.
    ssux0049 can ping nus642
    nus642 can not ping ssux0049
    Here are few details that you might be interested to look at.
    1.> DNS can resolve the hosts
    nus642 # nslookup ssux0049
    Server: 144.132.81.10
    Address: 144.132.81.10#53
    Non-authoritative answer:
    Name: ssux0049.example.com
    Address: 10.106.192.220
    ssux0049 $ nslookup nus642
    Server: 144.136.201.10
    Address: 144.136.201.10#53
    Name: nus642.in.example.com
    Address: 146.132.2.6
    2.>
    nus642 # ping -a ssux0049
    no answer from ssux0049(10.106.192.220)
    nus642 #
    ssux0049 $ ping -a nus642
    nus642 (146.132.2.6) is alive
    ssux0049 $
    3.>
    nus642 # ifconfig -a
    lo0: flags=2001000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4,VIRTUAL> mtu 8232 index 1
    inet 127.0.0.1 netmask ff000000
    ixgbe0: flags=1001000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4,FIXEDMTU> mtu 9000 index 2
    inet 10.86.211.5 netmask ffffffe0 broadcast 10.86.211.31
    groupname VLAN_2010
    ether 0:1b:21:57:1e:aa
    ixgbe1: flags=1001000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4,FIXEDMTU> mtu 1500 index 3
    inet 146.132.2.6 netmask ffffff80 broadcast 146.132.2.127
    groupname VLAN_2004
    ether 0:1b:21:57:1e:b4
    ssux0049 $ ifconfig -a
    lo0: flags=2001000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4,VIRTUAL> mtu 8232 index 1
    inet 127.0.0.1 netmask ff000000
    nxge2: flags=1009040843<UP,BROADCAST,RUNNING,MULTICAST,DEPRECATED,IPv4,NOFAILOVER,FIXEDMTU> mtu 1500 index 2
    inet 172.84.166.44 netmask ffffff00 broadcast 172.84.166.255
    groupname ssux0049-172841660
    ether 0:21:28:84:b9:12
    ssux0049 $
    5.>
    nus642 # traceroute ssux0049
    traceroute: Warning: Multiple interfaces found; using 10.86.219.32 @ ixgbe2005000 --> Should it be using this gateway as per netstat output? If no, can I change
    traceroute to ssux0049 (10.106.192.220), 30 hops max, 40 byte packets this to some other available gateway?
    1 10.86.208.3 (10.86.208.3) 0.372 ms 0.262 ms 0.193 ms
    2 * * *
    3 * * *
    4 *
    I have checked gateways can be pinged. Let me know if you need more details to resolve this issue.
    Thanks,
    DR
    Edited by: 949530 on Jul 27, 2012 4:59 PM
    Edited by: 949530 on Jul 29, 2012 12:25 PM
    Edited by: 949530 on Jul 29, 2012 3:10 PM

    Hi.
    It's look like Firewall settings betwen this hosts.
    You can start traceroute  nus642 from ssux0049 and write all intermediate routers.
    After try ping all of hime from nus642. It can be help found point of problem.
    But again, firewall can have different rultes for different protocols and networks.
    Regards.

  • CNA becomes very SLOW after adding new switch to cluster

    Added a CAT-2970 to my cluster and now CNA is acting very slow, especially when I attempt managing the new switch. I am still below the 16 node cluster limit. I did initially find a CRC on the new switch trunk port int. and noticed that it came up as Dynamic Auto/ISL and the core was at Dynamic Desireable/ISL, so I hard set it to Dyn-desire to match... still very slow CNA.
    The problem was not there before and after restarting the application, it appears to be fine... until I attempt to manage/view/reach the new switch - and then EVERYTHING in CNA goes slow again (hourglass of death) for some period of time.
    Yet, telnet & ping to new switch is always fast, no problems at all. Strictly seems to be a CNA problem...
    Ideas??
    Thanks,
    Al

    Looking at the outline given by u,there may be several reasons for this slow access such as loose connection, improper trunking and so on.Ofcourse, CNA problem can also be one cause.But, if u r sure that it is a CNA problem, why not u try for a new version of CNA?First of all, which version of CNA r u using?is it CNA 1.0 or 2.0 version.If so, try installing or upgrading CNA3.0.
    For detailed info on installing and upgrading to CNA3.0, the following URL will be useful.
    http://www.cisco.com/en/US/products/ps5931/prod_installation_guides_list.html

  • HT1338 just what is the new software upgrade 10S 6.16. EVERY TIME I PUT NEW SOFT WARE ON MY IPOD 4TH GENERATION TOUCH IT MESSES UP MY IPOD IN ONE WAY OR ANOTHER. USUALLY IT CUTS IT OFF OF WI FI AND IT WON'T CONNECT!FI

    I am afraid to download the new update software ios 6.1.6. Because everytime I let it put new software on, It makes my Ipod 4th generation mess up one way or another. Usually it makes the wifi go off and I cannot get it back on. Then I can't even use the ipod!  I am having a problem now with it shuffling. Do both red x's one on each corner right top and left top need to be on for it to shuffle?  Thank-You; Sherry  PS, I do not have a Mac. I have a dell window 7. and I don't want windows 8. I have heard nothing but bad about it!

    Nope, though it did allow me to get some missing songs back onto my iPod. That's something. But neither "Back in Black" or "Dirty Deeds" show up anywhere on the Touch. Could this be because iTunes has no deal with AC/DC?
    Quite frankly, at this point, I'd really rather not have the "ease of use" of iCloud attached to the iPod. It's not like I change my playlists that much. It would just be nice to get what I want onto my MP3 player. Not sure which one it was: iCloud, Music Match or the Air Port but the only real result of all the $ I plunked down is seeing all of my Wife's 231 Christmas songs popping up on my laptop. Really don't want them here. She SURE AS **** is sick of seeing all of my stuff on her computer.
    Thanks again.
    B.

  • My wife and I have shared one iTunes account for 6  years.  We want to create our own Apple IDs, so when we sync to our new iMac we won't see each others contacts, photos, calendar, music, etc.  Is there a way to move music/apps from one ID to a new ID?

    My wife and I have shared one iTunes account for 6  years.  We want to create our own Apple IDs, so when we sync to our new iMac we won't see each others contacts, photos, calendar, music, etc.  Is there a way to move music/apps from one ID to a new ID?

    JoeyV325 wrote:
    Is there a way to move music/apps from one ID to a new ID?
    No.
    One of you create a new AppleID and one use the existing AppleID.
    But you can still use the items in each iTunes library.
    Create separate computer logins for each of you.
    This will give you each your own data. Contacts, calendars, photos, etc. (and your own iTunes library).

  • I`d like to know how can i insert documents, xls/doc/pdf into iCloud and have them in my iPhone and my iPad. I just found one way, through ibooks, but i think it isn't a practical option.

    I`d like to know how can i insert documents, xls/doc/pdf into iCloud and have them in my iPhone and my iPad. I just found one way, through ibooks, but i think it isn't a practical option.

    Just use Drop Box instead.

  • Is there any way the apple store can transfer all of my music from one ipod to a new ipod?

    i have an ipod touch and i want a new ipod classic but not all of my music is on my itunes library if i brought the itouch to the apple store could they transfer everything? thanks

    The music sync is one way - computer to ipod.  The exception is itunes purchases.  You can transfer itunes purchases from ipod to itunes:  File>Transfer Purchases

  • I have a new computer from my father that already has his iphone content on it.  what do i need to do to switch my phone over from my old computer to the new one and have the new computer sync MY contacts and content to the new computer without erasing

    i have a new computer from my father that already has his iphone content on it.  what do i need to do to switch my phone over from my old computer to the new one and have the new computer sync MY contacts and content to the new computer without erasing my contact lists and purchased apps?

    okay from reading posts it seems if I transfer my backed up info from my old comp to the new one and erase my dad's phone's back up i could reset my phone and it would transfer all my old data back onto the phone, be linked to the new computer and i could proceed.  Where do i find the backed up info from my phone?

  • Does One Way Sync Mean I Lose iPhone Pics with New PC?

    I just read in the sync basics doc that syncing of photos and music is "one way" from the pc to the phone.
    Does this mean that since I've replaced the original pc that the pictures that I sync'ed previously to the phone, and which only exist there, will be deleted when I set up a new photo sync folder on the new pc?
    I'd really like to NOT lose those pics--I have the originals but all in different folders. This seems like a serious weakness in apple's sync philosophy, if true.
    I know that when I did the original sync to my old pc's Outlook contacts, that if there were no contacts in Outlook, but there were some on the phone, that the phone contacts would all be deleted!! Is this still true with iTunes 8 and 3g v3?
    Thanks.

    Does this mean that since I've replaced the original pc that the pictures that I sync'ed previously to the phone, and which only exist there, will be deleted when I set up a new photo sync folder on the new pc?
    Correct.
    I'd really like to NOT lose those pics--I have the originals but all in different folders. This seems like a serious weakness in apple's sync philosophy, if true.
    If you have the original photos that were stored on your old PC, then transfer the photos to your new PC along with all other important data that was stored on your old PC that you want or need to access on your new PC. Do Windows users start using a new PC without transferring any data from their old PC?
    Photos transferred from your computer to your iPhone are optimized for viewing on your iPhone as part of the iTunes sync process. The original resolution of these photos are changed. The iPhone is not designed nor intended to be a backup storage device, and should not be considered as such. There are some 3rd party utilities that provide for transferring these photos in the opposite direction, but such utilities are not supported by Apple, and the original resolution of these photos will be lost in the process. This is what creating and maintaining a backup for the important data stored on your computer's hard drive is for, which should include your iTunes library and especially any photos that are important to you. This is important regardless the platform, but even more so with Windows due to constant virus, adware, and spyware concerns.
    I know that when I did the original sync to my old pc's Outlook contacts, that if there were no contacts in Outlook, but there were some on the phone, that the phone contacts would all be deleted!! Is this still true with iTunes 8 and 3g v3?
    Before syncing contacts and calendar events with a supported application on your computer that is not being used and doesn't include any data, enter one unique contact in the address book, and one unique calendar event in the calendar. Make these up if needed, which can be deleted later. This will provide a merge prompt when syncing this data, which you want to select.

  • Is there a way to move a group of tabs to a new window? I know how to move one tab to a new window, but is there a way to mark a group of tabs and move them to a new window?

    Is there a way to move a group of tabs to a new window? I know how to move one tab to a new window, but is there a way to mark a group of tabs and move them to a new window?

    * Tab Mix Plus: https://addons.mozilla.org/firefox/addon/tab-mix-plus/

  • Is their any way to allow new server website users to sign up through the website so i dont have to manually add them?

    Hi! I was wondering for my OS X Server If there was a way to allow new users to sign up for a standard account directly for the server website useing a form or typical website sign up application  ,so users can use website functions and be a registered user, and so i don't have to add those users manually?

    You need to redo the SEO for your site so that the new URLs will come up in a search...
    http://www.iwebformusicians.com/Search-Engine-Optimization/SEO.html
    The problem area will be existing customers who have bookmarked pages of your old site. If you have a marketing strategy and have been compiling a customer database, its just a question of sending out a bulk email...
    http://www.iwebformusicians.com/Website-Email-Marketing/Email-Marketing.html
    ... and the following pages.

  • Cat 3750: Impossibility to ping the new ...

    master through the new stack master console port?
    We have tested this on a stack of four elements running under 12.2(25)SEC2: When the stack master is lost, a new is elected
    -Through the console port of the new stack master we are not able to ping the VLAN1 IP @ of the stack.
    -Through any other element we are able to ping the VLAN1 IP @ of the stack.
    - Two PCs connected: One to the stack master the other on another element are able to ping each other!!
    Anyone has an explanation! The maximum grade will be reserved to him if it matches exactly my issue ;-)
    Mohamed BEN HASSINE

    Can you post the capture of the console prompt and the show switch? When you console to any of the stack member you will be presented with the stack master's prompt even if you consoled in to the member's console. It would not make a difference if you ping from any element since you will be pinging since the switch stack is managed through a single IP address. The IP address is a system-level setting and is not specific to the stack master or to any other stack member. You can still manage the stack through the same IP address even if you remove the stack master or any other stack member from the stack, provided there is IP connectivity.

  • Way OT: Discover New Music

    Hi all,
    I came across this site over the weekend. Thought it was an
    interesting way
    to discover new music.
    The site is
    http://www.musicovery.com/ .
    It lets you choose and explore
    music by mood, style, genre, decade etc.. You simply set the
    desired year
    range and then either select your mood or switch to dance.
    The software
    then gives you a song, this song is then linked to similar
    songs, which
    gives you a chance to discover new music.
    The basic site gives radio quality sound (which I thought was
    OK) and I
    believe you can subscribe to get CD quality.
    Check it out, it might entertain you for a while.
    I seem to remember seeing something similar several months
    ago (then again
    it might even have been this same site). If any one has come
    across
    something similar, could you let me know.
    Cheers
    BW

    No, have not seen this one.
    Will check it out tonight. Thanks (Not sure about the
    interface and having
    to manually advance through each artist that is displayed).
    But it does
    look interesting.
    BW
    "Mad Dog" <[email protected]> wrote in message
    news:ervbn6$35d$[email protected]..
    > Have you checked out www.pandora.com?
    >
    >
    >
    > BW wrote:
    >> Hi all,
    >>
    >> I came across this site over the weekend. Thought it
    was an
    >> interesting way to discover new music.
    >>
    >> The site is
    http://www.musicovery.com/ .
    It lets you choose and
    >> explore music by mood, style, genre, decade etc..
    You simply set the
    >> desired year range and then either select your mood
    or switch to
    >> dance. The software then gives you a song, this song
    is then linked
    >> to similar songs, which gives you a chance to
    discover new music.
    >>
    >> The basic site gives radio quality sound (which I
    thought was OK) and
    >> I believe you can subscribe to get CD quality.
    >>
    >> Check it out, it might entertain you for a while.
    >>
    >> I seem to remember seeing something similar several
    months ago (then
    >> again it might even have been this same site). If
    any one has come
    >> across something similar, could you let me know.
    >>
    >> Cheers
    >>
    >> BW
    >
    >

  • Remote Management of Hyper-V Across One-Way Trust

    In order to abstract our hardware from the platform, we would like to virtualize all of our physical machines, installing Hyper-V server and just running one VM on Hyper-V. We hope this will allow us to quickly migrate machines that currently cannot be on
    our virtual environment for whatever reason.
    We set up a management domain for all of the Hyper-V servers separate from our main domain. A one way trust was established between the main domain and the management domain, with the management domain trusting the main domain. On the management domain,
    we created a domain local group, called Management Domain Admins, which contains the foreign security principals from the main domain. The Management Domain Admins group is added to the Hyper-V built in Administrators group.
    Now here is the problem, from a workstation in the main domain, we can manage every part of that server except for adding a virtual hard disk. We can manage the firewall, we can look through the event log, we can create virtual machines and connect them
    to existing virtual hard disks, but we cannot create a virtual hard disk. The log returns:
    The RPC server is unavailable. (Exception from HRESULT: 0x800706BA)
    We disabled the firewall on both the workstation and the server with the same result. Using a workstation WITHIN the management domain, logging in with an account from the main domain, we can create a virtual hard disk. We have also tried enabling anonymous
    DCOM and adding the Hyper-V server to the Trusted Hosts list in WinRM to no avail. Also, using inline authentication, we can create virtual hard disks on the server BEFORE adding it to the domain. But as soon as it's added to the domain, we can no longer create
    hard disks.
    Appreciate any insight!

    I hope it isn't the trust and it's something dumb I forgot to set. I checked again and "cscript .\hvremote.wsf /anondcom:grant" returns "INFO: Nothing to do - ANONYMOUS LOGON already has remote access"
    Thanks!
    The event is generate from DCOM, 10028
    DCOM was unable to communicate with the computer <myserver> using any of the configured protocols; requested by PID      a34 (C:\Windows\system32\mmc.exe).
    The full trace is:
    2013-07-24 07:59:24.988 [15] USER_ACTION_INITIATED Wizards NewVirtualHardDiskWizard:CreateVirtualHardDiskOnBackgroundThread() Creating new virtual hard disk ...
    2013-07-24 07:59:24.997 [15] USER_ACTION_INITIATED VirtMan ImageManagementServiceView:BeginCreateVirtualHardDisk() Starting creating dynamic virtual hard disk 'D:\Hyper-V\Virtual Hard Disks\test.vhdx' (size = '136365211648')
    2013-07-24 07:59:26.645 [15] ERROR Wizards VMWizardForm:PerformWizardActionInternal() Failed to perform wizard action!
        The RPC server is unavailable. (Exception from HRESULT: 0x800706BA)
           at System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo)
       at System.Management.ManagementScope.InitializeGuts(Object o)
       at System.Management.ManagementScope.Initialize()
       at System.Management.ManagementObject.Initialize(Boolean getObject)
       at System.Management.ManagementBaseObject.get_wbemObject()
       at System.Management.ManagementClass.CreateInstance()
       at Microsoft.Virtualization.Client.Management.VirtualHardDiskSettingData.GetVirtualHardDiskSettingDataEmbeddedInstance(String serverName, String namespacePath)
       at Microsoft.Virtualization.Client.Management.ImageManagementServiceView.BeginCreateVirtualHardDisk(VirtualHardDiskType type, VirtualHardDiskFormat format, String path, String parentPath, Int64 maxInternalSize)
       at Microsoft.Virtualization.Client.Wizards.NewVhd.NewVirtualHardDiskWizard.CreateVirtualHardDiskOnBackgroundThread(Server server, VirtualHardDiskFormat hardDiskFormat, VirtualHardDiskType hardDiskType, String filePath, ConfigurationInfo configBase)
       at Microsoft.Virtualization.Client.Wizards.NewVhd.NewVirtualHardDiskWizard.PerformWizardAction(Object stateObj)
       at Microsoft.Virtualization.Client.Wizards.VMWizardForm.PerformWizardActionInternal(Object stateObj)
    2013-07-24 07:59:26.754 [16] ERROR Wizards VMWizardForm:WizardActionFailed() Wizard action failed!
        The RPC server is unavailable. (Exception from HRESULT: 0x800706BA)
           at System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo)
       at System.Management.ManagementScope.InitializeGuts(Object o)
       at System.Management.ManagementScope.Initialize()
       at System.Management.ManagementObject.Initialize(Boolean getObject)
       at System.Management.ManagementBaseObject.get_wbemObject()
       at System.Management.ManagementClass.CreateInstance()
       at Microsoft.Virtualization.Client.Management.VirtualHardDiskSettingData.GetVirtualHardDiskSettingDataEmbeddedInstance(String serverName, String namespacePath)
       at Microsoft.Virtualization.Client.Management.ImageManagementServiceView.BeginCreateVirtualHardDisk(VirtualHardDiskType type, VirtualHardDiskFormat format, String path, String parentPath, Int64 maxInternalSize)
       at Microsoft.Virtualization.Client.Wizards.NewVhd.NewVirtualHardDiskWizard.CreateVirtualHardDiskOnBackgroundThread(Server server, VirtualHardDiskFormat hardDiskFormat, VirtualHardDiskType hardDiskType, String filePath, ConfigurationInfo configBase)
       at Microsoft.Virtualization.Client.Wizards.NewVhd.NewVirtualHardDiskWizard.PerformWizardAction(Object stateObj)
       at Microsoft.Virtualization.Client.Wizards.VMWizardForm.PerformWizardActionInternal(Object stateObj)
    2013-07-24 07:59:26.755 [16] ERROR Client InformationDisplayer:GetErrorInformationFromException() Application encountered a non-VirtMan exception! Not going to display non-localized message to user.
    2013-07-24 07:59:26.756 [16] ERROR Client UnhandledExceptionHandler:HandleThreadExceptionInternal() Application encountered an unexpected exception!
        The RPC server is unavailable. (Exception from HRESULT: 0x800706BA)
           at System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo)
       at System.Management.ManagementScope.InitializeGuts(Object o)
       at System.Management.ManagementScope.Initialize()
       at System.Management.ManagementObject.Initialize(Boolean getObject)
       at System.Management.ManagementBaseObject.get_wbemObject()
       at System.Management.ManagementClass.CreateInstance()
       at Microsoft.Virtualization.Client.Management.VirtualHardDiskSettingData.GetVirtualHardDiskSettingDataEmbeddedInstance(String serverName, String namespacePath)
       at Microsoft.Virtualization.Client.Management.ImageManagementServiceView.BeginCreateVirtualHardDisk(VirtualHardDiskType type, VirtualHardDiskFormat format, String path, String parentPath, Int64 maxInternalSize)
       at Microsoft.Virtualization.Client.Wizards.NewVhd.NewVirtualHardDiskWizard.CreateVirtualHardDiskOnBackgroundThread(Server server, VirtualHardDiskFormat hardDiskFormat, VirtualHardDiskType hardDiskType, String filePath, ConfigurationInfo configBase)
       at Microsoft.Virtualization.Client.Wizards.NewVhd.NewVirtualHardDiskWizard.PerformWizardAction(Object stateObj)
       at Microsoft.Virtualization.Client.Wizards.VMWizardForm.PerformWizardActionInternal(Object stateObj)

Maybe you are looking for