Problem with Link layer discovery

Pedro Jimenez Garcia <[email protected]>
Newsgroups gmane.network.opennms.install
Message-ID <[email protected]>
Hi all!



I'm working with OpenNMS to manage a network, but I haven´t been able to
 discover L2 links. Devices are Allied telesis x900 switches, I'm working with the WMware version of OpenNMS, Linkd is up... and when I check "View Node Link 
Detailed Info" I get the whole table, but "Links" column is empty.



Googling I have found a post wrote 3 years ago on "OpenNMS discuss" about "Linkd and LLDP" talking about some OID's to consider:

[Snmpwalks of my device included]

- 1.0.8802.1.1.2.1.3.3 

iso.0.8802.1.1.2.1.3.3.0 = STRING: "Labo20"   --->> Ok, that's the hostname of the device I want to monitor.



- 1.0.8802.1.1.2.1.3.7.1.3

iso.0.8802.1.1.2.1.3.7.1.3.1 = STRING: "port1.0.1"    --->> Ok, 12 ports on Labo20 named port1.0.1 to 12.

iso.0.8802.1.1.2.1.3.7.1.3.2 = STRING: "port1.0.2"

iso.0.8802.1.1.2.1.3.7.1.3.3 = STRING: "port1.0.3"

iso.0.8802.1.1.2.1.3.7.1.3.4 = STRING: "port1.0.4"

iso.0.8802.1.1.2.1.3.7.1.3.5 = STRING: "port1.0.5"

iso.0.8802.1.1.2.1.3.7.1.3.6 = STRING: "port1.0.6"

iso.0.8802.1.1.2.1.3.7.1.3.7 = STRING: "port1.0.7"

iso.0.8802.1.1.2.1.3.7.1.3.8 = STRING: "port1.0.8"

iso.0.8802.1.1.2.1.3.7.1.3.9 = STRING: "port1.0.9"

iso.0.8802.1.1.2.1.3.7.1.3.10 = STRING: "port1.0.10"

iso.0.8802.1.1.2.1.3.7.1.3.11 = STRING: "port1.0.11"

iso.0.8802.1.1.2.1.3.7.1.3.12 = STRING: "port1.0.12"



- 1.0.8802.1.1.2.1.4.1.1.7

iso.0.8802.1.1.2.1.4.1.1.7.4551.12.2 = STRING: "port1.0.24"    --->> Ok, "destination" ports.

iso.0.8802.1.1.2.1.4.1.1.7.59868725.11.5 = STRING: "port1.0.23"



- 1.0.8802.1.1.2.1.4.1

iso.0.8802.1.1.2.1.4.1.1.4.4551.12.2 = INTEGER: 4

iso.0.8802.1.1.2.1.4.1.1.4.59868725.11.5 = INTEGER: 4

iso.0.8802.1.1.2.1.4.1.1.5.4551.12.2 = Hex-STRING: 00 00 CD 29 A9 97 

iso.0.8802.1.1.2.1.4.1.1.5.59868725.11.5 = Hex-STRING: 00 00 CD 29 A9 97 

iso.0.8802.1.1.2.1.4.1.1.6.4551.12.2 = INTEGER: 1

iso.0.8802.1.1.2.1.4.1.1.6.59868725.11.5 = INTEGER: 1

iso.0.8802.1.1.2.1.4.1.1.7.4551.12.2 = STRING: "port1.0.24"

iso.0.8802.1.1.2.1.4.1.1.7.59868725.11.5 = STRING: "port1.0.23"

iso.0.8802.1.1.2.1.4.1.1.8.4551.12.2 = STRING: "ChannelTo192.168.2.20"

iso.0.8802.1.1.2.1.4.1.1.8.59868725.11.5 = STRING: "ChannelTo192.168.2.20"

iso.0.8802.1.1.2.1.4.1.1.9.4551.12.2 = STRING: "Labo30"

iso.0.8802.1.1.2.1.4.1.1.9.59868725.11.5 = STRING: "Labo30"

iso.0.8802.1.1.2.1.4.1.1.10.4551.12.2 = STRING: "Allied Telesis router/switch, AW+ v5.4.1-1.3"

iso.0.8802.1.1.2.1.4.1.1.10.59868725.11.5 = STRING: "Allied Telesis router/switch, AW+ v5.4.1-1.3"

iso.0.8802.1.1.2.1.4.1.1.11.4551.12.2 = STRING: "("

iso.0.8802.1.1.2.1.4.1.1.11.59868725.11.5 = STRING: "("

iso.0.8802.1.1.2.1.4.1.1.12.4551.12.2 = STRING: "("

iso.0.8802.1.1.2.1.4.1.1.12.59868725.11.5 = STRING: "("

--->> and this last one, specifying ports 11 and 12 are connected 
to 23 and 24 on Labo30, and their MAC, description, etc...



As I said, Linkd is up and I have added [to link-configuration.xml] to enable polling for this device:



<package name="PruebaDiscovery" auto-discovery="true" use-cdp-discovery="true" use-ip-route-discovery="true"

enable-vlan-discovery="true" use-bridge-discovery="true" 
save-route-table="true" save-stp-node-table="true" 
save-stp-interface-table="true">

<filter>IPADDR!='0.0.0.0'</filter>

<include-range begin="192.168.2.1" end="192.168.2.101"/>

</package>



These are the last lines on link.log:

2012-02-24 10:08:55,052 WARN  [OpenNMS.Linkd] Linkd: wakeUpNodeCollection: schedulink a node not found: 7

2012-02-24 10:08:55,143 WARN  [OpenNMS.Linkd] Linkd: scheduleNodeCollection: Failed to get Linkable node from DataBase. Exiting





¿Could anybody give me a hint about what to change/check? 



Thanks in advance!

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