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Thread: OpenSuSE 11.4 dropping/cannot Connect

  1. #1

    Default OpenSuSE 11.4 dropping/cannot Connect

    I loaded up OpenSuSE 11.4 on a HP DL360 G5 64 bit server. When the server boots up, I can connect via the wan or the local network segment. After some time, I will lose the WAN connection. If I ssh back into the computer from another computer the WAN connection can connect again for a period of time. The WAN connect is from the Internet. The firewall is off and so is AppArmor.

  2. #2
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    Default Re: OpenSuSE 11.4 dropping/cannot Connect

    Quote Originally Posted by rpiskac View Post
    I loaded up OpenSuSE 11.4 on a HP DL360 G5 64 bit server. When the server boots up, I can connect via the wan or the local network segment. After some time, I will lose the WAN connection. If I ssh back into the computer from another computer the WAN connection can connect again for a period of time. The WAN connect is from the Internet. The firewall is off and so is AppArmor.
    Please provide us with more details.
    Are You using ifup or NetowrkManager ?

    What is the output of :
    Code:
    /sbin/ifconfig
    Code:
    route -n
    Code:
    cat /etc/resolv.conf
    Best regards,
    Greg
    Best regards,
    Greg

  3. #3

    Default Re: OpenSuSE 11.4 dropping/cannot Connect

    [FONT="Courier New"]:~ # /sbin/ifconfig
    eth0 Link encap:Ethernet HWaddr 00:1F:29:698:0E
    inet addr:68.249.14.19 Bcast:68.249.14.23 Mask:255.255.255.248
    inet6 addr: fe80::21f:29ff:fe69:d80e/64 Scope:Link
    UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
    RX packets:6323 errors:0 dropped:0 overruns:0 frame:0
    TX packets:3034 errors:0 dropped:0 overruns:0 carrier:0
    collisions:0 txqueuelen:1000
    RX bytes:620828 (606.2 Kb) TX bytes:1441453 (1.3 Mb)
    Interrupt:18 Memory:f8000000-f8012800

    eth1 Link encap:Ethernet HWaddr 00:1F:29:698:12
    inet addr:68.249.14.19 Bcast:68.249.14.23 Mask:255.255.255.248
    inet6 addr: fe80::21f:29ff:fe69:d812/64 Scope:Link
    UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
    RX packets:5391 errors:0 dropped:0 overruns:0 frame:0
    TX packets:2539 errors:0 dropped:0 overruns:0 carrier:0
    collisions:0 txqueuelen:1000
    RX bytes:669045 (653.3 Kb) TX bytes:558406 (545.3 Kb)
    Interrupt:19 Memory:fa000000-fa012800

    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:18 errors:0 dropped:0 overruns:0 frame:0
    TX packets:18 errors:0 dropped:0 overruns:0 carrier:0
    collisions:0 txqueuelen:0
    RX bytes:1088 (1.0 Kb) TX bytes:1088 (1.0 Kb)


    :~ # route -n
    Kernel IP routing table
    Destination Gateway Genmask Flags Metric Ref Use Iface
    68.249.14.16 0.0.0.0 255.255.255.248 U 0 0 0 eth0
    68.249.14.16 0.0.0.0 255.255.255.248 U 0 0 0 eth1
    169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0
    127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo
    0.0.0.0 68.249.14.22 0.0.0.0 UG 0 0 0 eth1

    :~ # cat /etc/resolv.conf
    ### /etc/resolv.conf file autogenerated by netconfig!
    #
    # Before you change this file manually, consider to define the
    # static DNS configuration using the following variables in the
    # /etc/sysconfig/network/config file:
    # NETCONFIG_DNS_STATIC_SEARCHLIST
    # NETCONFIG_DNS_STATIC_SERVERS
    # NETCONFIG_DNS_FORWARDER
    # or disable DNS configuration updates via netconfig by setting:
    # NETCONFIG_DNS_POLICY=''
    #
    # See also the netconfig(8) manual page and other documentation.
    #
    # Note: Manual change of this file disables netconfig too, but
    # may get lost when this file contains comments or empty lines
    # only, the netconfig settings are same with settings in this
    # file and in case of a "netconfig update -f" call.
    #
    ### Please remove (at least) this line when you modify the file!
    nameserver 206.141.193.55
    nameserver 66.73.20.40

  4. #4
    Join Date
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    Default Re: OpenSuSE 11.4 dropping/cannot Connect

    Please use code tags to wrap the output of the commands next time for better readability.
    Posting in Code Tags - A Guide

    You did not say whetver You're using NetowrkManager or ifup. Why do You have tha same IP on both ethernet interfaces ?

    Best regards,
    Greg
    Best regards,
    Greg

  5. #5

    Default Re: OpenSuSE 11.4 dropping/cannot Connect

    I have a SLES 10 server with the same settings on that segment and it works just fine, but a different node IP address. I ran the commands and was I was logging off, I lost my network connection from putty to that server. I ran Windows 2008 R2 on the server with no problems. This is not a hardware problem.

  6. #6
    Join Date
    Sep 2010
    Location
    Poland
    Posts
    1,970

    Default Re: OpenSuSE 11.4 dropping/cannot Connect

    Please tell us if You're using NetowrkManager or not
    Check out this thread for reference :

    Sometimes Suse loosing connection

    Best regards,
    Greg
    Best regards,
    Greg

  7. #7

    Default Re: OpenSuSE 11.4 dropping/cannot Connect

    I'm using ifup. The server is set to runlevel 3.

  8. #8
    Join Date
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    Location
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    Posts
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    Default Re: OpenSuSE 11.4 dropping/cannot Connect

    Quote Originally Posted by rpiskac View Post
    I'm using ifup. The server is set to runlevel 3.
    What are your settings in these files on SLES and openSUSE ?

    /etc/sysconfig/network/ifcfg-eth0
    /etc/sysconfig/network/ifcfg-eth1

    Best regards,
    Greg
    Best regards,
    Greg

  9. #9

    Default Re: OpenSuSE 11.4 dropping/cannot Connect

    cat /etc/sysconfig//network/ifcfg-eth-id-00\:50\:8b\:e0\:1c\16
    BOOTPROTO='static'
    BROADCAST=''
    IPADDR='68.249.14.17'
    MTU=''
    NETMASK='255.255.255.248'
    NETWORK=''
    REMOTE_IPADDR=''
    STARTMODE='auto'
    UNIQUE='FTXf.RADeXp5SjK4'
    _nm_name='bus-pci-0000:03:05.0'
    ETHTOOL_OPTIONS=''
    NAME=''
    USERCONTROL='no'
    PREFIXLEN=''

    cat /etc/sysconfig/network/ifcfg-eth0
    BOOTPROTO='static'
    BROADCAST=''
    ETHTOOL_OPTIONS=''
    IPADDR='68.249.14.19/29'
    MTU=''
    NAME='NetXtreme II BCM5708 Gigabit Ethernet'
    NETMASK=''
    NETWORK=''
    REMOTE_IPADDR=''
    STARTMODE='auto'
    USERCONTROL='no'

  10. #10

    Default Re: OpenSuSE 11.4 dropping/cannot Connect

    I always can connect from my SLES 10 server to the OpenSuSE 11.4 server 100% of the time. The only network problems I am having is from a different network segment. I can 100% of the time connect to the SLES box from a different network segment.

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