Re: [scli] Custom mode. Retreiving the table.

30 Jun 2008


      On Wed, 25 Jun 2008 11:12:40 +0200, Juergen Schoenwaelder
j.schoenwaelder@jacobs-university.de wrote:
...
On Wed, Jun 25, 2008 at 01:08:00PM +0400, rbondar@rich-logic.com wrote:
...
Here is requested tcpdump result. As you can see the only one row is
requested, while the table contains 2 rows.
13:03:05.755075 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto
UDP
...
(17), length 420) localhost.35686 > localhost.snmp: [bad udp cksum 20e!]
{
...
SNMPv2c {
    GetNextRequest(373) R=1804289386
      E:20379.2.1.3.2.3.1.2
      E:20379.2.1.3.2.3.1.3
      E:20379.2.1.3.2.3.1.4
      E:20379.2.1.3.2.3.1.5
      E:20379.2.1.3.2.3.1.6
      E:20379.2.1.3.2.3.1.7
      E:20379.2.1.3.2.3.1.8
      E:20379.2.1.3.2.3.1.9
      E:20379.2.1.3.2.3.1.10
      E:20379.2.1.3.2.3.1.11
      E:20379.2.1.3.2.3.1.12
      E:20379.2.1.3.2.3.1.13
      E:20379.2.1.3.2.3.1.14
      E:20379.2.1.3.2.3.1.15
      E:20379.2.1.3.2.3.1.16
      E:20379.2.1.3.2.3.1.17
      E:20379.2.1.3.2.3.1.18
    }
  }
13:03:05.757430 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto
UDP
...
(17), length 499) localhost.snmp > localhost.35686: [bad udp cksum
20d2!]
...
{
  SNMPv2c {
    GetResponse(452) R=1804289386
      E:20379.2.1.3.2.3.1.2=1
      E:20379.2.1.3.2.3.1.3="proxy0"
      E:20379.2.1.3.2.3.1.4=192.168.1.1
      E:20379.2.1.3.2.3.1.5=1
      E:20379.2.1.3.2.3.1.6="guest"
      E:20379.2.1.3.2.3.1.7="guest"
      E:20379.2.1.3.2.3.1.8="guest"
      E:20379.2.1.3.2.3.1.9=1
      E:20379.2.1.3.2.3.1.10="sipnet.ru"
      E:20379.2.1.3.2.3.1.11=212.53.40.40
      E:20379.2.1.3.2.3.1.12="1212"
      E:20379.2.1.3.2.3.1.13=180
      E:20379.2.1.3.2.3.1.14="localdomain"
      E:20379.2.1.3.2.3.1.15="remotedomain"
      E:20379.2.1.3.2.3.1.16="1212"
      E:20379.2.1.3.2.3.1.17=213.24.20.202
      E:20379.2.1.3.2.3.1.18=1
    }
  }
The getnext processing of the agent seems to be broken. The request
asks for the next of  { 20379.2.1.3.2.3.1.2, ... } and you return
the same OIDs, namely { 20379.2.1.3.2.3.1.2, ... } and that violates
the specifications and scli likely drops the bogus response and
indicates that the table is empty.
/js
--
Juergen Schoenwaelder           Jacobs University Bremen gGmbH
Phone: +49 421 200 3587         Campus Ring 1, 28759 Bremen, Germany
Fax:   +49 421 200 3103         http://www.jacobs-university.de/
Hello again.
I've fixed my agent. But scli still thinks the table is empty.
Tcp dump follows:
17:32:46.323955 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP
(17), length 420) localhost.52925 > localhost.snmp: [bad udp cksum aaaf!] 
{ SNMPv2c { GetNextRequest(373) R=1804289413  
  E:20379.2.1.3.2.3.1.2 
  E:20379.2.1.3.2.3.1.3 
  E:20379.2.1.3.2.3.1.4 
  E:20379.2.1.3.2.3.1.5 
  E:20379.2.1.3.2.3.1.6 
  E:20379.2.1.3.2.3.1.7 
  E:20379.2.1.3.2.3.1.8 
  E:20379.2.1.3.2.3.1.9 
  E:20379.2.1.3.2.3.1.10 
  E:20379.2.1.3.2.3.1.11 
  E:20379.2.1.3.2.3.1.12 
  E:20379.2.1.3.2.3.1.13 
  E:20379.2.1.3.2.3.1.14 
  E:20379.2.1.3.2.3.1.15 
  E:20379.2.1.3.2.3.1.16 
  E:20379.2.1.3.2.3.1.17 
  E:20379.2.1.3.2.3.1.18 } }
17:32:46.325952 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP
(17), length 471) localhost.snmp > localhost.52925: [bad udp cksum 7863!] 
{ SNMPv2c { GetResponse(424) R=1804289413  
  E:20379.2.1.3.2.3.2.2=1 
  E:20379.2.1.3.2.3.2.3="proxy1" 
  E:20379.2.1.3.2.3.2.4=192.168.1.2 
  E:20379.2.1.3.2.3.2.5=1 
  E:20379.2.1.3.2.3.2.6="gg" 
  E:20379.2.1.3.2.3.2.7="gg" 
  E:20379.2.1.3.2.3.2.8="gg" 
  E:20379.2.1.3.2.3.2.9=1 
  E:20379.2.1.3.2.3.2.10="ya.ru" 
  E:20379.2.1.3.2.3.2.11=213.24.20.202 
  E:20379.2.1.3.2.3.2.12="1313" 
  E:20379.2.1.3.2.3.2.13=360 
  E:20379.2.1.3.2.3.2.14="ldom" 
  E:20379.2.1.3.2.3.2.15="rdom" 
  E:20379.2.1.3.2.3.2.16="1313" 
  E:20379.2.1.3.2.3.2.17=213.24.20.202 
  E:20379.2.1.3.2.3.2.18=1 } }

Re: [scli] Custom mode. Retreiving the table.

rbondar＠rich-logic.com