keepalive timer

[Arnold Nipper]

On 06.11.2010 20:59 Ondrej Zajicek wrote

> On Sat, Nov 06, 2010 at 07:31:38PM +0100, Arnold Nipper wrote:
>> On 06.11.2010 19:26 Ondrej Zajicek wrote
>> 
>> > On Sat, Nov 06, 2010 at 03:27:06PM +0100, Arnold Nipper wrote:
>> >> Just came across
>> >> 
>> >>     Keepalive timer:  -22205673/60
>> >> 
>> >> Weird, isn't it?
>> > 
>> > It is in most BGP sessions or only in a few?
>> > 
>> 
>> I only caught it once ... so what is the meaning of the value?
>> 
>>  Keepalive timer: time-until-next-keepalive/keepalive-timer-agreed upon
>> ???
> 
> Yes. Negative value is definitely weird.
> 

I guess small negative values may occur. Or not?

admin1:~> ssh rs5 birdc show protocols all | grep alive | sed 's?/? /?'
| awk '$3<0'
    Keepalive timer:  -1 /30
    Keepalive timer:  -1 /30
    Keepalive timer:  -3 /60
    Keepalive timer:  -3 /60
    Keepalive timer:  -2 /60
    Keepalive timer:  -1 /60
    Keepalive timer:  -1 /60
    Keepalive timer:  -1 /30
    Keepalive timer:  -3 /60
    Keepalive timer:  -3 /30
    Keepalive timer:  -3 /30
    Keepalive timer:  -3 /6
    Keepalive timer:  -1 /30
    Keepalive timer:  -2 /15
    Keepalive timer:  -3 /60
    Keepalive timer:  -1 /60
    Keepalive timer:  -1 /30
    Keepalive timer:  -2 /60
    Keepalive timer:  -1 /10
    Keepalive timer:  -2 /60
    Keepalive timer:  -1 /60
admin1:~> ssh rs5 birdc show protocols all | grep alive | sed 's?/? /?'
| awk '$3<0'
admin1:~> ssh rs5 birdc show protocols all | grep alive | sed 's?/? /?'
| awk '$3<0'
admin1:~> ssh rs5 birdc show protocols all | grep alive | sed 's?/? /?'
| awk '$3<0'
    Keepalive timer:  -1 /60
    Keepalive timer:  -1 /6
    Keepalive timer:  -1 /60
    Keepalive timer:  -1 /6
    Keepalive timer:  -1 /60
    Keepalive timer:  -1 /6


Arnold
-- 
Arnold Nipper / nIPper consulting, Sandhausen, Germany
email: arnold at nipper.de       phone: +49 6224 9259 299
mobile: +49 152 53717690      fax:   +49 6224 9259 333

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