Read Core Dump file

Discussion in 'Cisco' started by ns, May 23, 2005.

  1. ns

    ns Guest

    Hi all

    It's possible to configure router to send "Core Dump File" to FTP Server
    when router crash. Well.

    How it's possible to read "Core Dump File" ?

    Thank You very much

    Best Regards
    NS
     
    ns, May 23, 2005
    #1
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  2. ns

    Hansang Bae Guest

    ns wrote:

    > Hi all
    >
    > It's possible to configure router to send "Core Dump File" to FTP
    > Server when router crash. Well.
    >
    > How it's possible to read "Core Dump File" ?
    >
    > Thank You very much



    You can always try:

    exception core-file FILENAME_HERE
    exception protocol ftp
    exception dump IP_ADDR_HERE

    http://www.cisco.com/en/US/customer/products/ps6350/products_command_ref
    erence_chapter09186a0080444b9c.html

    for more info.

    --

    hsb


    "Somehow I imagined this experience would be more rewarding" Calvin
    **************************ROT13 MY ADDRESS*************************
    Due to the volume of email that I receive, I may not not be able to
    reply to emails sent to my account. Please post a followup instead.
    ********************************************************************
     
    Hansang Bae, May 24, 2005
    #2
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  3. ns

    ns Guest

    Hi all,

    Thank You Hansang for your answer.

    I have the core dump file. I juste need to know how can read it !?
    The core dump file is binnary format. What's tool can i use to read it or
    convert it in text format ?

    Thank You very much
    NS


    "Hansang Bae" <> a écrit dans le message de
    news:yTwke.14335$...
    > ns wrote:
    >
    > > Hi all
    > >
    > > It's possible to configure router to send "Core Dump File" to FTP
    > > Server when router crash. Well.
    > >
    > > How it's possible to read "Core Dump File" ?
    > >
    > > Thank You very much

    >
    >
    > You can always try:
    >
    > exception core-file FILENAME_HERE
    > exception protocol ftp
    > exception dump IP_ADDR_HERE
    >
    > http://www.cisco.com/en/US/customer/products/ps6350/products_command_ref
    > erence_chapter09186a0080444b9c.html
    >
    > for more info.
    >
    > --
    >
    > hsb
    >
    >
    > "Somehow I imagined this experience would be more rewarding" Calvin
    > **************************ROT13 MY ADDRESS*************************
    > Due to the volume of email that I receive, I may not not be able to
    > reply to emails sent to my account. Please post a followup instead.
    > ********************************************************************
     
    ns, May 24, 2005
    #3
  4. On Tue, 24 May 2005 13:25:06 +0200, "ns" <> wrote:

    ~ Hi all,
    ~
    ~ Thank You Hansang for your answer.
    ~
    ~ I have the core dump file. I juste need to know how can read it !?
    ~ The core dump file is binnary format. What's tool can i use to read it or
    ~ convert it in text format ?

    od ?

    Aaron

    ---

    ~
    ~ Thank You very much
    ~ NS
    ~
    ~
    ~ "Hansang Bae" <> a écrit dans le message de
    ~ news:yTwke.14335$...
    ~ > ns wrote:
    ~ >
    ~ > > Hi all
    ~ > >
    ~ > > It's possible to configure router to send "Core Dump File" to FTP
    ~ > > Server when router crash. Well.
    ~ > >
    ~ > > How it's possible to read "Core Dump File" ?
    ~ > >
    ~ > > Thank You very much
    ~ >
    ~ >
    ~ > You can always try:
    ~ >
    ~ > exception core-file FILENAME_HERE
    ~ > exception protocol ftp
    ~ > exception dump IP_ADDR_HERE
    ~ >
    ~ > http://www.cisco.com/en/US/customer/products/ps6350/products_command_ref
    ~ > erence_chapter09186a0080444b9c.html
    ~ >
    ~ > for more info.
    ~ >
    ~ > --
    ~ >
    ~ > hsb
    ~ >
    ~ >
    ~ > "Somehow I imagined this experience would be more rewarding" Calvin
    ~ > **************************ROT13 MY ADDRESS*************************
    ~ > Due to the volume of email that I receive, I may not not be able to
    ~ > reply to emails sent to my account. Please post a followup instead.
    ~ > ********************************************************************
    ~
     
    Aaron Leonard, May 24, 2005
    #4
  5. ns

    Hansang Bae Guest

    ns wrote:

    > Hi all,
    >
    > Thank You Hansang for your answer.
    >
    > I have the core dump file. I juste need to know how can read it !?
    > The core dump file is binnary format. What's tool can i use to read
    > it or convert it in text format ?



    No idea if there is readable info in there. But if you wanted to
    extract the ASCII out of it, I guess you can use any Unix tools
    available or use a decent editor like vi/vim or UltraEdit-32.


    --

    hsb


    "Somehow I imagined this experience would be more rewarding" Calvin
    **************************ROT13 MY ADDRESS*************************
    Due to the volume of email that I receive, I may not not be able to
    reply to emails sent to my account. Please post a followup instead.
    ********************************************************************
     
    Hansang Bae, May 25, 2005
    #5
  6. ns

    ns Guest

    Hi all,

    VI seem not able to read this file...
    I can open file with UtraEdit but data are in binary format.
    i use the command "od" under Unix and i have a big output file with part of
    this :

    0000000 110140 000240 076150 001246 110140 000250 110200 000244
    0000020 076172 001246 110140 000254 076173 001246 110140 000260
    0000040 044000 000005 076200 000246 050144 003266 076233 001646
    0000060 076210 001246 034144 177734 100203 000360 076232 001646
    0000100 046000 000144 036200 100351 034204 021230 110004 000010
    0000120 110044 000014 110104 000020 036040 100351 034041 032474
    0000140 076260 041646 036240 100315 100245 165024 110144 000000
    0000160 076177 041246 052143 102076 110144 000004 076140 000046
    0000200 110144 000220 076141 001246 110144 000234 100145 000250
    0000220 110144 000224 076151 001246 110144 000230 100145 000254
    0000240 000000 000001 064426 173520 100073 133344 100073 137124
    0000260 000000 110062 135335 126735 135335 126735 135335 126735
    0000300 135335 126735 135335 126735 135335 126735 135335 126735
    *
    0000360 100073 064644 135335 126735 135335 126735 135335 126735
    0000400 110140 000240 076150 001246 110140 000250 110200 000244
    0000420 076172 001246 110140 000254 076173 001246 110140 000260
    0000440 044000 000005 076200 000246 050144 003266 076233 001646
    0000460 076210 001246 034144 177734 100203 000360 076232 001646
    0000500 046000 000144 036200 100351 034204 021230 110004 000010
    0000520 110044 000014 110104 000020 036040 100351 034041 032474
    0000540 076260 041646 036240 100315 100245 165024 110144 000000

    What can i do with this output ?

    Thanks a lot
    NS


    "Hansang Bae" <> a écrit dans le message de
    news:IGPke.135$...
    > ns wrote:
    >
    > > Hi all,
    > >
    > > Thank You Hansang for your answer.
    > >
    > > I have the core dump file. I juste need to know how can read it !?
    > > The core dump file is binnary format. What's tool can i use to read
    > > it or convert it in text format ?

    >
    >
    > No idea if there is readable info in there. But if you wanted to
    > extract the ASCII out of it, I guess you can use any Unix tools
    > available or use a decent editor like vi/vim or UltraEdit-32.
    >
    >
    > --
    >
    > hsb
    >
    >
    > "Somehow I imagined this experience would be more rewarding" Calvin
    > **************************ROT13 MY ADDRESS*************************
    > Due to the volume of email that I receive, I may not not be able to
    > reply to emails sent to my account. Please post a followup instead.
    > ********************************************************************
     
    ns, May 25, 2005
    #6
  7. ns

    Bob Goddard Guest

    ns wrote:

    > Hi all,
    >
    > VI seem not able to read this file...
    > I can open file with UtraEdit but data are in binary format.
    > i use the command "od" under Unix and i have a big output file with
    > part of this :

    [...]

    HSB means to use "strings" on it first and possibly pipe it through
    "sort" and "uniq".


    B
     
    Bob Goddard, May 25, 2005
    #7
  8. ns

    ns Guest

    Yes !!!!!

    I can read the core file with command strings !! great !!

    But now, am hesitate to apply configuration to export core dump to ftp
    server.

    Does someone enable exporting core dump file to FTP server and what is your
    experiences ?

    ThankYou very much
    NS


    "Bob Goddard" <> a écrit dans le
    message de news:...
    > ns wrote:
    >
    > > Hi all,
    > >
    > > VI seem not able to read this file...
    > > I can open file with UtraEdit but data are in binary format.
    > > i use the command "od" under Unix and i have a big output file with
    > > part of this :

    > [...]
    >
    > HSB means to use "strings" on it first and possibly pipe it through
    > "sort" and "uniq".
    >
    >
    > B
     
    ns, May 25, 2005
    #8
  9. ns

    Hansang Bae Guest

    ns wrote:

    > Yes !!!!!
    > I can read the core file with command strings !! great !!
    > But now, am hesitate to apply configuration to export core dump to ftp
    > server.
    > Does someone enable exporting core dump file to FTP server and what
    > is your experiences ?



    Sorry, I should have been more clear when I said use "any Unix tools"
    I prefaced it with "if you want to read ascii" and I assumed you would
    know what I meant. But I digress.

    Typically, it doesn't buy you much. I can think of one or two times
    where we sent the dump file to Cisco, but that's pretty much it.

    --

    hsb


    "Somehow I imagined this experience would be more rewarding" Calvin
    **************************ROT13 MY ADDRESS*************************
    Due to the volume of email that I receive, I may not not be able to
    reply to emails sent to my account. Please post a followup instead.
    ********************************************************************
     
    Hansang Bae, May 26, 2005
    #9
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