Snooping Issue

Hello-
I have a pair of Catalyst 4510s I'm looking to enable DHCP snooping on and looking for some expertise... I have all DCHP clients connected up to the 4k's. The 4k's are connected upstream to a pair of ASA's, then up upstream to a pair of Nexus 7ks. The DHCP servers sit on the 7k's. I have done the following, but am unable to pull an IP.
1. enabled snooping on both 4k's for vlans 1-4094 (ip dhcp snooping vlan 1-4094)
2. trusted the upstream port channel member interfaces (gi1/47 and gi1/48) and the port channel interface itself, by way of (ip dhcp snooping trust)
3. Issued the "no ip dhcp snooping information option" on both 4k's
I am able to pull an IP on my laptop, which I have a reservation created for, but I am not pulling an IP on any other true DHCP clients on the floor. Anyone able to shed some light?
Thanks in advance-
Brian

Hello-
I have a pair of Catalyst 4510s I'm looking to enable DHCP snooping on and looking for some expertise... I have all DCHP clients connected up to the 4k's. The 4k's are connected upstream to a pair of ASA's, then up upstream to a pair of Nexus 7ks. The DHCP servers sit on the 7k's. I have done the following, but am unable to pull an IP.
1. enabled snooping on both 4k's for vlans 1-4094 (ip dhcp snooping vlan 1-4094)
2. trusted the upstream port channel member interfaces (gi1/47 and gi1/48) and the port channel interface itself, by way of (ip dhcp snooping trust)
3. Issued the "no ip dhcp snooping information option" on both 4k's
I am able to pull an IP on my laptop, which I have a reservation created for, but I am not pulling an IP on any other true DHCP clients on the floor. Anyone able to shed some light?
Thanks in advance-
Brian

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    Route: <sip:exap.um.outlook.com:5061;transport=tls;epid=07C3F2A933;lr;ms-key-info=AAEAARc45bIQE6UJAYvPAR8eV4QTvCH3EE2Kxtie7I2PMCSj-2aArKHP8dStYlJe-9jphIkz_mDEkCD_v8hY-mghQEHD6-F12E7E14YG-TJ2gEcQE0Bx2r_rDB3LrzRZzgQ0WVvxreLPWGI80elWF-xfbc_X3JE8mOR2OB9KQM8-e9WOjfq2kj6CnDGeL0yzgz4OB8zm-ao03Yo4gMZ-BpwaxC3BNuvvVDJo9wqrYftq_Z3MIVewWrqcDt5Td4vxCsMiXdwEqtEIRKVvQoqboleBJAyQl-C3qGgfEoSkUnApFuTSnQYRa4kbZ1iPaACpdKT-VTQGjc9HXfps48YJCsIXW0Ab_NSM2uvhUyw900men1ukXSmoZoWZbwqe5siuWVUcFoQl1h1Jcy4lCyZUfDZoqPzDioLqTk9iUmS8fa-PAJjsq72yGjVB_y1aJSxtHVsw7MiDqOGOPqT3dmF-sINkeyuokCy8UCf_cQHmEHwVzZLUJqaVccr3QNCLsBzhcWSypnC60ZZphOKuwl6RvUXWICPf0ubLTL2ppC3tWEgFdUUWOPVd84uGlMcqRLKGb1qrmpj8Nu6Lte7t5n2pMEBCfgAe79t4GO0C5KScdKT_XBM1iIBRXdNkPKHfSgC-wPQgRikdw7vRD-hOWlN5Lay7-zkQ4Ag6rauszFTAwbft99OieAOxKIsgYcxXxcG6;ms-route-sig=fiEMuzbN4_PyEz_I5gG3g8FtqNAonwgZCoRnOq-ByfYEtywTZp-Hk_eAAA>
    Max-Forwards: 69
    Content-Length: 0
    ms-client-diagnostics: 22; reason="Call failed to establish due to a media connectivity failure when both endpoints are internal";CallerMediaDebug="audio:ICEWarn=0x40003a0,LocalSite=10.10.10.125:6735,LocalMR=10.11.11.23:51430,RemoteSite=10.27.46.15:5286,RemoteMR=207.46.5.80:54106,PortRange=1025:65000,LocalMRTCPPort=51430,RemoteMRTCPPort=54106,LocalLocation=2,RemoteLocation=2,FederationType=0"
    $$end_record

  • Can I use DHCP snooping and IOS DHCP server on the same switch stack

    Hello,
    I am shortly going to be deploying a Cisco CallManager solution for a customer whose network comprises stacks of Catalyst 3850 switches.
    There is no separate core/server farm switch so the CallManager servers, voice gateways and IP phones will all plug into the same stack and be in the same VLAN (not my choice!).
    For security we want to enable DHCP snooping and were planning on using the IOS DHCP server on the Catalyst switch stack.
    Will this work? - when I enable DHCP snooping in networks with separate access layer switches I set the uplinks to the core as trusted links.
    I am not sure whether DHCP snooping will work in this case. Do I need to set the VLAN interface on the switch as trusted, is this even possible?
    Unfortunately I do not have access to a layer 3 switch to test this at the moment.
    Thanks

    Nope.  That's the issue.
    They'll sync on a third device acting as a hotspot, but the device sending a signal is not "on" the network it creates so the airport is all by itself on that network.  At least that is what it looks like to me.  Anyone have another take on it?  Seems pretty silly that an iPad can put out a wifi signal, an Airport Express can receive a wifi signal, and yet there is no simple way to get them to communicate under this particular condition.

  • I'm having major issues with battery life on my iphone 5 . When I'm on 3G my battery on lat 6 hours . But when I'm on edge network I get almost 8 hours usage and full day stand by . That's a. Major difference. But these phones were built for 3G and LTE .

    The battery only last 6hrs complete with basic normal usage . I tried all the suggestions and nothing was helping. I finally tried switching off the 3G to EDGE and what a major difference in battery life . My phones last more than a day . I got so far 8 hrs usages And 25 hours standby . But that's phones were created to handle lte and 3 g why is it killing the battery life ?? How can I resolve this issue ?

    Thanks for the replies. It took a while not hearing anything so thought I was alone. I have done many of the suggestions already. The key here is that it occurs on both phones with apps, and phones still packaged in a box.
    A Genius Bar supervisor also checked his Verizon data usage log and found the same 6 hour incremental use. Suprisingly, he did not express much intrigue over that. Maybe he did, but did not show it.
    I think the 6 hour incremental usage is the main issue here. I spoke with Verizon (again) and they confirmed that all they do is log exactly when the phone connected to the tower and used data. The time it records is when the usage started. I also found out that the time recorded is GMT.
    What is using data, unsolicited, every 6 hours?
    Why does it change?
    Why does it only happen on the iPhone 5 series and not the 4?
    Since no one from Apple seems to be chiming in on this, and I have not received the promised calls from Apple tech support that the Genius Bar staff said I was suppose to receive, it is starting to feel like something is being swept under the rug.
    I woke up the other day with another thought ... What application would use such large amounts of data? Well ... music, video, sound and pictures of course. Well ... what would someone set automatically that is of any use to them? hmmm ... video, pictures, sound. Is the iPhone 5 succeptible to snooping? Can an app be buried in the IOS that automatically turns on video and sound recording, and send it somewhere ... every 6 hours? Chilling. I noted that the smallest data usage is during the night when nothing is going on, then it peaks during the day. The Genius Bar tech and I looked at each other when I drew this sine wave graph on the log print outs during an appointment ...

  • Having Issues with High CPU Usage with fluxbox & pekwm

    Greetings,
    I have searched for this issue and it seems that something similar has happened in the past with an old xorg, and it seems that someone is having a similar issue that they can point to kde as being the culrpit. However in my case, this is a fresh install and is not using any kde libs. Please allow me to explain the issue.
    The power supply on my main computer finally gave out, and being incredibly poor at the moment I can not yet replace it. So, I pull out an older computer that I had once set up for my kids, but took it away from them when they were abusing it. I always make backup dvds and such monthly so I didn't have to worry about any lose of data, however I desired to keep my larger hard drives from my main computer. After testing to ensure that the hard drives were fine, I did some minor surgery, and did a fresh install of arch linux onto my back up computer. Since I prefer pekwm, I installed pekwm as my wm of choice, and outfitted it quickly with mpd+sonata, firefox, pcmanfm, and tint2. Then I rebooted into my pekwm 'desktop'.
    It was running sluggish. Firefox was easily maxing the cpu up and beyond 100% and it felt ten times worse than any heavy DE I used in the past. I checked to make sure I had the right video driver installed. As this computer runs a 64MB nVidia GeForce2 MX with TV out video card, I searched nvidia's page and the arch wiki, noting that the driver needed is nvidia-96xx. Well I had already suspected that during install, and thus had installed such driver. I double checked my xorg.config and it has the right driver listed.
    So I checked out some lighter browsers. I tried both Midori and Iron (which is similar to Chrome but without google spyware or whatever). Well both run better than firefox, Midori being the lightest one, but Iron quickly being my favorite. Still, the problem remained. Moving windows caused cpu spikes, opening more than one tab, or more than one program caused cpu spikes and the computer to slow down and sputter, freezing at times.
    So I tried out another wm, fluxbos, which is another of my favorites. Seemed somewhat better but only fractionally, which I consider odd because pekwm has always seemed snappier than fluxbox to me in the past. Running lxtask (still mouse dependent, sorry lol), I was able to take note of the following...
    FLUXBOX
    lxtask 6% CPU usage average
    PCManFM 5% CPU Average
    Fluxbox 1% to 2% cpu usage
    gksu 3% cpu usage
    pidgin 3% to 7% cpu usage
    firefox up to 62% cpu usage
    midori up to 38% cpu usage
    iron up to 50% cpu usage
    mpd 11% cpu uage
    Xorg (with no window movement) 2% cpu usage
    Xorg (moving windows around) up to 80% cpu usage
    PEKWM
    lxtask 6% CPU
    pidgin 7% cpu
    tint2 1% cpu
    pekwm 1% to 5% cpu
    pcmanfm 7% cpu
    firefox up to 85% cpu
    python 1% cpu
    midori up to 38% cpu
    iron up to 25% cpu (odd...)
    Xorg (with no window movement) 1% cpu
    Xorg (when moving windows around) up to 80% cpu
    Both were using around 118 MB RAm and weren't yet touching swap. As I see it I am  thinking xorg  or video driver related, yet I already made sure that I had the correct video driver. Here's my Xorg.conf
    # nvidia-xconfig: X configuration file generated by nvidia-xconfig
    # nvidia-xconfig: version 1.0 (buildmeister@builder63) Thu Jun 25 18:57:07 PDT 2009
    Section "ServerLayout"
    Identifier "Layout0"
    Screen 0 "Screen0" 0 0
    InputDevice "Keyboard0" "CoreKeyboard"
    InputDevice "Mouse0" "CorePointer"
    EndSection
    Section "Files"
    EndSection
    Section "InputDevice"
    # generated from default
    Identifier "Mouse0"
    Driver "mouse"
    Option "Protocol" "auto"
    Option "Device" "/dev/psaux"
    Option "Emulate3Buttons" "no"
    Option "ZAxisMapping" "4 5"
    EndSection
    Section "InputDevice"
    # generated from default
    Identifier "Keyboard0"
    Driver "kbd"
    EndSection
    Section "Monitor"
    Identifier "Monitor0"
    VendorName "Unknown"
    ModelName "Unknown"
    HorizSync 30.0 - 110.0
    VertRefresh 50.0 - 150.0
    Option "DPMS"
    EndSection
    Section "Device"
    Identifier "Device0"
    Driver "nvidia"
    VendorName "NVIDIA Corporation"
    EndSection
    Section "Screen"
    Identifier "Screen0"
    Device "Device0"
    Monitor "Monitor0"
    DefaultDepth 24
    SubSection "Display"
    Depth 24
    Modes "1600x900" "1024x768" "800x600" "640x480"
    EndSubSection
    EndSection
    Here's some specs on this computer, including video cards and such...
    Computer
    Summary
    Computer
    Processor Intel(R) Pentium(R) 4 CPU 1.60GHz
    Memory 1034MB (239MB used)
    Operating System Arch Linux
    User Name mythus (Travis K. Randall)
    Date/Time Thu 08 Oct 2009 05:24:52 PM CDT
    Display
    Resolution 1600x900 pixels
    OpenGL Renderer GeForce2 MX/AGP/SSE2
    X11 Vendor The X.Org Foundation
    Multimedia
    Audio Adapter ICH - Intel 82801BA-ICH2
    Input Devices
    Macintosh mouse button emulation
    AT Translated Set 2 keyboard
    Power Button
    Power Button
    PC Speaker
    Logitech USB Optical Mouse
    Printers
    No printers found
    SCSI Disks
    ATA ST3160212A
    ATA IC35L090AVV207-0
    LITE-ON LTR-16102B
    TSSTcorp CD/DVDW TS-H552D
    Operating System
    Version
    Kernel Linux 2.6.30-ARCH (i686)
    Compiled #1 SMP PREEMPT Wed Sep 9 12:37:32 UTC 2009
    C Library GNU C Library version 2.10.1 (stable)
    Default C Compiler GNU C Compiler version 4.4.1 (GCC)
    Distribution Arch Linux
    Current Session
    Computer Name norova
    User Name mythus (Travis K. Randall)
    Home Directory /home/mythus
    Desktop Environment Unknown (Window Manager: Fluxbox)
    Misc
    Uptime 11 hours, 38 minutes
    Load Average 0.20, 0.38, 0.34
    Kernel Modules
    Loaded Modules
    ipv6 IPv6 protocol stack for Linux
    reiserfs ReiserFS journaled filesystem
    usbhid USB HID core driver
    hid
    arc4 ARC4 Cipher Algorithm
    ecb ECB block cipher algorithm
    snd_seq_dummy ALSA sequencer MIDI-through client
    rt2500pci Ralink RT2500 PCI & PCMCIA Wireless LAN driver.
    snd_seq_oss OSS-compatible sequencer module
    rt2x00pci rt2x00 pci library
    snd_seq_midi_event MIDI byte <-> sequencer event coder
    rt2x00lib rt2x00 library
    snd_seq Advanced Linux Sound Architecture sequencer.
    led_class LED Class Interface
    snd_seq_device ALSA sequencer device management
    input_polldev Generic implementation of a polled input device
    mac80211 IEEE 802.11 subsystem
    snd_intel8x0 Intel 82801AA,82901AB,i810,i820,i830,i840,i845,MX440; SiS 7012; Ali 5455
    uhci_hcd USB Universal Host Controller Interface driver
    snd_pcm_oss PCM OSS emulation for ALSA.
    fan ACPI Fan Driver
    cfg80211 wireless configuration support
    ppdev
    ehci_hcd USB 2.0 'Enhanced' Host Controller (EHCI) Driver
    snd_mixer_oss Mixer OSS emulation for ALSA.
    snd_ac97_codec Universal interface for Audio Codec '97
    nvidia
    lp
    eeprom_93cx6 EEPROM 93cx6 chip driver
    parport_pc PC-style parallel port driver
    ohci1394 Driver for PCI OHCI IEEE-1394 controllers
    parport
    psmouse PS/2 mouse driver
    ac97_bus
    ieee1394
    serio_raw Raw serio driver
    8139too RealTek RTL-8139 Fast Ethernet driver
    e100 Intel(R) PRO/100 Network Driver
    snd_pcm Midlevel PCM code for ALSA.
    pcspkr PC Speaker beeper driver
    battery ACPI Battery Driver
    8139cp RealTek RTL-8139C+ series 10/100 PCI Ethernet driver
    snd_timer ALSA timer interface
    i2c_core I2C-Bus main module
    iTCO_wdt Intel TCO WatchDog Timer Driver
    mii MII hardware support library
    evdev Input driver event char devices
    snd Advanced Linux Sound Architecture driver for soundcards.
    ac ACPI AC Adapter Driver
    iTCO_vendor_support Intel TCO Vendor Specific WatchDog Timer Driver Support
    usbcore
    soundcore Core sound module
    sg SCSI generic (sg) driver
    shpchp Standard Hot Plug PCI Controller Driver
    snd_page_alloc Memory allocator for ALSA system.
    processor ACPI Processor Driver
    thermal ACPI Thermal Zone Driver
    pci_hotplug PCI Hot Plug PCI Core
    intel_agp
    button ACPI Button Driver
    agpgart AGP GART driver
    rtc_cmos Driver for PC-style 'CMOS' RTCs
    rtc_core RTC class support
    rtc_lib
    ext4 Fourth Extended Filesystem
    mbcache Meta block cache (for extended attributes)
    jbd2
    crc16 CRC16 calculations
    sr_mod SCSI cdrom (sr) driver
    cdrom
    sd_mod SCSI disk (sd) driver
    ata_piix SCSI low-level driver for Intel PIIX/ICH ATA controllers
    ata_generic low-level driver for generic ATA
    pata_acpi SCSI low-level driver for ATA in ACPI mode
    libata Library module for ATA devices
    floppy
    scsi_mod SCSI core
    Display
    Display
    Display
    Resolution 1600x900 pixels
    Vendor The X.Org Foundation
    Version 1.6.3.901
    Monitors
    Monitor 0 1600x900 pixels
    Extensions
    BIG-REQUESTS
    Composite
    DAMAGE
    DOUBLE-BUFFER
    DPMS
    DRI2
    GLX
    Generic Event Extension
    MIT-SCREEN-SAVER
    MIT-SHM
    NV-CONTROL
    NV-GLX
    RANDR
    RECORD
    RENDER
    SECURITY
    SHAPE
    SYNC
    X-Resource
    XC-MISC
    XFIXES
    XFree86-DGA
    XFree86-VidModeExtension
    XINERAMA
    XInputExtension
    XKEYBOARD
    XTEST
    XVideo
    OpenGL
    Vendor NVIDIA Corporation
    Renderer GeForce2 MX/AGP/SSE2
    Version 1.5.8 NVIDIA 96.43.13
    Direct Rendering Yes
    Processor
    Processor
    Processor
    Name Intel(R) Pentium(R) 4 CPU 1.60GHz
    Family, model, stepping 15, 1, 2 (Pentium 4)
    Vendor Intel
    Configuration
    Cache Size 256kb
    Frequency 1594.77MHz
    BogoMIPS 3190.44
    Byte Order Little Endian
    Features
    FDIV Bug no
    HLT Bug no
    F00F Bug no
    Coma Bug no
    Has FPU yes
    Cache
    Cache information not available
    Capabilities
    fpu Floating Point Unit
    vme Virtual 86 Mode Extension
    de Debug Extensions - I/O breakpoints
    pse Page Size Extensions (4MB pages)
    tsc Time Stamp Counter and RDTSC instruction
    msr Model Specific Registers
    pae Physical Address Extensions
    mce Machine Check Architeture
    cx8 CMPXCHG8 instruction
    apic Advanced Programmable Interrupt Controller
    sep Fast System Call (SYSENTER/SYSEXIT)
    mtrr Memory Type Range Registers
    pge Page Global Enable
    mca Machine Check Architecture
    cmov Conditional Move instruction
    pat Page Attribute Table
    pse36 36bit Page Size Extensions
    clflush Cache Line Flush instruction
    dts Debug Store
    acpi Thermal Monitor and Software Controlled Clock
    mmx MMX technology
    fxsr FXSAVE and FXRSTOR instructions
    sse SSE instructions
    sse2 SSE2 (WNI) instructions
    ss Self Snoop
    ht HyperThreading
    tm Thermal Monitor
    up smp kernel running on up
    pebs Precise-Event Based Sampling
    bts Branch Trace Store
    Memory
    Memory
    Total Memory 1034084 kB
    Free Memory 94276 kB
    Buffers 40536 kB
    Cached 700112 kB
    Cached Swap 0 kB
    Active 170788 kB
    Inactive 726844 kB
    Active(anon) 74112 kB
    Inactive(anon) 88348 kB
    Active(file) 96676 kB
    Inactive(file) 638496 kB
    Unevictable 12 kB
    Mlocked 12 kB
    High Memory 139144 kB
    Free High Memory 252 kB
    Low Memory 894940 kB
    Free Low Memory 94024 kB
    Virtual Memory 2931852 kB
    Free Virtual Memory 2931852 kB
    Dirty 12 kB
    Writeback 0 kB
    AnonPages 156996 kB
    Mapped 57392 kB
    Slab 24260 kB
    SReclaimable 18864 kB
    SUnreclaim 5396 kB
    PageTables 1376 kB
    NFS_Unstable 0 kB
    Bounce 0 kB
    WritebackTmp 0 kB
    CommitLimit 3448892 kB
    Committed_AS 404212 kB
    VmallocTotal 122880 kB
    VmallocUsed 27648 kB
    VmallocChunk 52368 kB
    DirectMap4k 32760 kB
    DirectMap4M 876544 kB
    Benchmarks
    CPU Blowfish
    CPU Blowfish
    This Machine 1595 MHz 50.176
    Intel(R) Celeron(R) M processor 1.50GHz (null) 26.1876862
    PowerPC 740/750 (280.00MHz) (null) 172.816713
    CPU CryptoHash
    CPU CryptoHash
    This Machine 1595 MHz 11.071
    CPU Fibonacci
    CPU Fibonacci
    This Machine 1595 MHz 74.202
    Intel(R) Celeron(R) M processor 1.50GHz (null) 8.1375674
    PowerPC 740/750 (280.00MHz) (null) 58.07682
    CPU N-Queens
    CPU N-Queens
    This Machine 1595 MHz 132.704
    FPU FFT
    FPU FFT
    This Machine 1595 MHz 104.630
    FPU Raytracing
    FPU Raytracing
    This Machine 1595 MHz 212.639
    Intel(R) Celeron(R) M processor 1.50GHz (null) 40.8816714
    PowerPC 740/750 (280.00MHz) (null) 161.312647
    So what I am wanting help with is finding the solution to the cpu usage so that I can use this computer at least until I can afford a new power supply or whatever. I am open to any good suggestions, though I must state I am not really interested in tiling wm's at the moment. I am just not a true minimalist.
    Thanks in advance for any and all help. I understand that there is a lot of info in this post, but it is my hope that with this info the problem can be solved. If there is info I didn't provide that is needed, please let me know.

    also check that you have
    session.screen0.opaqueMove false
    in your .fluxbox/init  this will probably help a bit if it is currently true,
    Last edited by Cyrusm (2009-01-26 13:52:13)

  • Reading/snooping through backed up files

    Hi all - I backed up my Blackberry using BB Desktop software to my Mac about two months ago.  I'm giving my Mac to a  family member, who is NOSY and I want to make sure they can't recover /snoop through my personal information (backed up texts, MMS's, etc). Is there a way to delete the backed up texts before I give the Mac to them? I don't want them seeing my personal messages/backed up info. Thanks!

    Hiya!
    no they cannot view it... the backup file... is one file, only actually readable by the desktop software. they cannot simply open the file and browse around it.
    1). Please thank those who help you by clicking the beside the 'Reply' button.
    2). If your issue has been solved, please resolve it by marking "Accept as Solution" on the correct post!
    3). Remember to have fun! We are all in this together!
    4). Follow me on

  • Solaris 9 U7 (2004/09) MultiLayered Flash Archive issue + solution ?

    In Solaris 9 Update 7 (2004/09) the multilayered flash archive installation feature is broken.
    I think that this is a known issue:
    4945516 Failure of multi-layered archive with Solaris 9 4/03 on Postdeployment process
    I manage to flash my archives by changing the following statement found at line 24 of the file
    ../Solaris_9/Tools/Boot/usr/lib/flash/postdeployment_processing
    from
    if [ ! -L $FLASH_ROOT/etc/rc2.d/S98flash_reboot ] ; then
    to
    if [ -L $FLASH_ROOT/etc/rc2.d/S98flash_reboot ] ; then
    This issue is addressed in the patch 113434-22
    113434-22/SUNWinst/reloc/usr/lib/flash/postdeployment_processing
    But the if statement is not the good one.
    Is this correct ?
    Coco D.

    Ideas.. Hmm, none which seems that correct, but you could try some things.
    If it gets the wrong IP that could explain why it fails to copy the sysidcfg file.
    First you could try and do a snoop on the ethernet address;
    snoop ether 0:3:ba:14:c6:cd
    (you could also try the -v flag to increase the verbosity).
    The things you should look for are arp/rarp requests, the jumpstart client will use arp/rarp to determine its IP address, snoop will show you which server that responds, and what address it gets, futher more its a good idea to verify that the response to the bootparams requests comes from the correct server.
    Of course there might be other oddnesses as well.
    Was the data you provided extracts? If it was you should check the /etc/ethers and /etc/bootparams for duplicates entries, so there are no other occourances of the clients ehternet address in /etc/ethers, and no bogus entries starting with * or the same hostname in /etc/bootparams.
    If you added the client manually you could always try and use the Tools/rm_install_client and Tools/add_install_client scripts to add it again, these script sometimes detect problems with the configuration.
    Lastly you didn't show us your /etc/nsswitch.conf file, but i assume that it has "files" first for the ethers, hosts and bootparams entries?
    Good luck
    //Magnus

  • Vwlc 7.3.101.0 DHCP issue ?

    Hello all,
    a wireless client can't get an IP address via DHCP.
    The controler is configured as "DHCP bridging mode", the DHCP server is a 3750 on the same L2 segment.
    The security part is done by ISE 1.1.3, the client get authenticated successfully and debug on the vwlc says :
    (Cisco Controller) >*DHCP Socket Task: Apr 22 17:50:13.445: 00:26:4a:fd:ed:a4 DHCP received op BOOTREQUEST (1) (len 308,vlan 0, port 1, encap 0xec03)
    *DHCP Socket Task: Apr 22 17:50:13.445: 00:26:4a:fd:ed:a4 DHCP processing DHCP REQUEST (3)
    *DHCP Socket Task: Apr 22 17:50:13.445: 00:26:4a:fd:ed:a4 DHCP   op: BOOTREQUEST, htype: Ethernet, hlen: 6, hops: 0
    *DHCP Socket Task: Apr 22 17:50:13.445: 00:26:4a:fd:ed:a4 DHCP   xid: 0x7f6910ce (2137592014), secs: 0, flags: 0
    *DHCP Socket Task: Apr 22 17:50:13.445: 00:26:4a:fd:ed:a4 DHCP   chaddr: 00:26:4a:fd:ed:a4
    *DHCP Socket Task: Apr 22 17:50:13.445: 00:26:4a:fd:ed:a4 DHCP   ciaddr: 0.0.0.0,  yiaddr: 0.0.0.0
    *DHCP Socket Task: Apr 22 17:50:13.445: 00:26:4a:fd:ed:a4 DHCP   siaddr: 0.0.0.0,  giaddr: 0.0.0.0
    *DHCP Socket Task: Apr 22 17:50:13.445: 00:26:4a:fd:ed:a4 DHCP   requested ip: 192.168.10.4
    *DHCP Socket Task: Apr 22 17:50:13.445: 00:26:4a:fd:ed:a4 DHCP successfully bridged packet to DS
    *DHCP Socket Task: Apr 22 17:50:13.447: 00:26:4a:fd:ed:a4 DHCP received op BOOTREPLY (2) (len 308,vlan 0, port 1, encap 0xec00)
    *DHCP Socket Task: Apr 22 17:50:13.447: 00:26:4a:fd:ed:a4 DHCP processing DHCP ACK (5)
    *DHCP Socket Task: Apr 22 17:50:13.447: 00:26:4a:fd:ed:a4 DHCP   op: BOOTREPLY, htype: Ethernet, hlen: 6, hops: 0
    *DHCP Socket Task: Apr 22 17:50:13.447: 00:26:4a:fd:ed:a4 DHCP   xid: 0x7f6910ce (2137592014), secs: 0, flags: 80
    *DHCP Socket Task: Apr 22 17:50:13.447: 00:26:4a:fd:ed:a4 DHCP   chaddr: 00:26:4a:fd:ed:a4
    *DHCP Socket Task: Apr 22 17:50:13.447: 00:26:4a:fd:ed:a4 DHCP   ciaddr: 0.0.0.0,  yiaddr: 192.168.10.4
    *DHCP Socket Task: Apr 22 17:50:13.447: 00:26:4a:fd:ed:a4 DHCP   siaddr: 0.0.0.0,  giaddr: 0.0.0.0
    *DHCP Socket Task: Apr 22 17:50:13.447: 00:26:4a:fd:ed:a4 DHCP   server id: 192.168.10.1  rcvd server id: 192.168.10.1
    *DHCP Socket Task: Apr 22 17:50:13.447: 00:26:4a:fd:ed:a4 DHCP successfully bridged packet to STA
    however, the wireless client never get the IP address.
    See attached .jpg, the IP address seems to be attached to the wireless client.....
    Is anyone could help me please ?
    Regards.
    TM

    Ok DHCP Snooping was the issue....
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    my guest ssid is set to L2 security none and L3 Web policy and authentication local. clients that need to connect to some vpn server (internet) are reporting disconnection issues with the vpn session but not the wireless network. as soon as they get connected via another wireless internet connection the vpn connection gets stable. that makes me thing is in deed the my wireless network the one causing issues.  is there a know issues with the web authentication WLAN and vpn clients?  no firewall in the middle.
    Exclusionlist.................................... Disabled
    Session Timeout.................................. Infinity
    CHD per WLAN..................................... Enabled
    Webauth DHCP exclusion........................... Disabled
    Interface........................................ xxxxxxxxxxxxxxxx
    WLAN ACL......................................... unconfigured
    DHCP Server...................................... Default
    DHCP Address Assignment Required................. Disabled
    --More or (q)uit current module or <ctrl-z> to abort
    Quality of Service............................... Bronze (background)
    Scan Defer Priority.............................. 4,5,6
    Scan Defer Time.................................. 100 milliseconds
    WMM.............................................. Allowed
    Media Stream Multicast-direct.................... Disabled
    CCX - AironetIe Support.......................... Enabled
    CCX - Gratuitous ProbeResponse (GPR)............. Disabled
    CCX - Diagnostics Channel Capability............. Disabled
    Dot11-Phone Mode (7920).......................... Disabled
    Wired Protocol................................... None
    IPv6 Support..................................... Disabled
    Passive Client Feature........................... Disabled
    Peer-to-Peer Blocking Action..................... Disabled
    Radio Policy..................................... All
    DTIM period for 802.11a radio.................... 1
    DTIM period for 802.11b radio.................... 1
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       Authentication................................ Disabled
       Accounting.................................... Disabled
       Dynamic Interface............................. Disabled
    Local EAP Authentication......................... Disabled
    Security
       802.11 Authentication:........................ Open System
       Static WEP Keys............................... Disabled
       802.1X........................................ Disabled
       Wi-Fi Protected Access (WPA/WPA2)............. Disabled
       CKIP ......................................... Disabled
       Web Based Authentication...................... Enabled
            ACL............................................. Unconfigured
            Web Authentication server precedence:
            1............................................... local
       Web-Passthrough............................... Disabled
       Conditional Web Redirect...................... Disabled
       Splash-Page Web Redirect...................... Disabled
       Auto Anchor................................... Disabled
       H-REAP Local Switching........................ Disabled
       H-REAP Learn IP Address....................... Enabled
       Client MFP.................................... Optional but inactive (WPA2 not configured)
       Tkip MIC Countermeasure Hold-down Timer....... 60
    Call Snooping.................................... Disabled
    Roamed Call Re-Anchor Policy..................... Disabled
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    Thanks Scott,
    We have two controllers and all the APs (50) are associated with the primary Controller,what is the best path to follow for the upgrade.
    we don't have Field recoversy image installed on our controller, do we have to do the FSU upgrade?
    (Cisco Controller) >show sysinfo
    Manufacturer's Name.............................. Cisco Systems Inc.
    Product Name..................................... Cisco Controller
    Product Version.................................. 7.0.98.0
    Bootloader Version............................... 1.0.1
    Field Recovery Image Version..................... N/A
    Firmware Version................................. FPGA 1.3, Env 1.6, USB console                                                        1.27
    Build Type....................................... DATA + WPS
    System Name...................................... Airespace_01
    System Location..................................
    System Contact...................................
    System ObjectID.................................. 1.3.6.1.4.1.9.1.1069
    IP Address....................................... 10.0.0.201
    Last Reset....................................... Power on reset
    System Up Time................................... 9 days 2 hrs 57 mins 21 secs
    System Timezone Location......................... (GMT -6:00) Central Time (US and Canada)
    Current Boot License Level....................... base
    Current Boot License Type........................ Permanent
    Next Boot License Level.......................... base
    Next Boot License Type........................... Permanent
    Configured Country............................... Multiple Countries:US,CN,DE,TW,HK
    Is the below Upgrade Path make sense ?
    1. Upgrade the Primary controller and reboot- wait till all APs associate with primary controller and download the new image
    2. Upgrade the secondary controller and reboot
    3. Failover the APs to secondary controller and test
    Siddhartha

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