[nv-l] Netview ARP-Cache-disease after upgradeto AIX 4.3.3
2002-05-03 07:21:59
Hello Netview-folks around the planet,
we are driving a Netview 6.0.2/Optivity 8.1.1/AIX4.3.2-platform on our wonderful
neverstopping IBM C10 from 1990 with installed WEB-Server for our Operating
using Internet-Explorer 5.00. The machine is also used as primary DNS-system
and Distributed Sniffer-Analyzer-machine.
We recently received CDs from IBM and upgraded to AIX4.3.3
From that point on things went worse.
We can see that the ARP-cache is not populated as usual with over 300 entries.
Only around 60 entries are possible. The ARP-parameters for the no -command
are still the same as used before.
arptab_bsiz = 40 arptab_nb = 140 arpqsize = 1 arpt_killc = 20
And to our surprise, besides IP-adressses from boxes from our local network,
some entries are containing non-local IP-Adresses.
Here is an example from our ARP-Cache that normally contains only "136.175"-entries:
skfsch06.sch.skf.se (136.175.69.28) at 40:0:4:6:20:12 [token ring] rt=806:6:800:0
schdns01.sch.skf.se (136.175.156.23) at 0:20:35:f:92:19 [ethernet]
? (3.0.0.0) at (incomplete) <--- What is this ?
? (0.0.8.6) at (incomplete) <--- Where are these entries coming from ?
It is also not possible to delete these ARP-entries using the arp -d -command.
Token-Ring-entries also miss the RIF information or show usesless RIF:
t320egc-a-233.sch.skf.se (136.175.60.211) at 0:0:81:c:77:11 [token ring]
skfsch06.sch.skf.se (136.175.69.28) at 40:0:4:6:20:12 [token ring] rt=806:6:800:0
Under AIX 4.3.2: Correct RIF-information
schcnv02.sch.skf.se (136.175.61.182) at 0:20:4a:8:ea:f0 [token ring] rt=810:2a6b:a40c:ab40
The impact on Netview is a red/green Event-Log.
For stations not in the ARP-Cache, the first Ping fails obviously, the box turns
red and immediately after this, it turns green followed by the "Box up"-message
in the event-log.
Has anybody of You experienced similar effects ?
Any help is welcome
```
(o o)
------------------oOO-(_)-OOo------------------
Winfried Gehrig mailto:Winfried.Gehrig AT skf DOT com
SKF GmbH FON ++49(0)9721 56 3077
Gunnar Wester Str. 12 Virtual FAX ++49(0)9721 5663266
97421 Schweinfurt
(Germany)
Our bearings turn the planet
http://www.skf.com
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