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Strange interface discovery behavior???

To: nv-l@lists.tivoli.com
Subject: Strange interface discovery behavior???
From: "Scherting, Mark" <mscherting@state.mt.us>
Date: Mon, 6 Aug 2001 16:03:23 -0600
Hello to the List,

I've encountered puzzling interface discovery behavior and hope someone here
can enlighten me as to what's going on.  I'm running NV 6.01 on AIX 4.3.3.

Netview has (re)discovered one of our Cisco 4500 routers with three normal
and two critical interfaces where we believe there should be only three
normal interfaces.  This router has four Ethernet interfaces, and one
FastEthernet interface.  Two of the Ethernet interfaces are admin down with
no ip addresses configured.  Status of the two configured Ethernet and the
fast Ethernet interfaces is normal.  The router does have several static
routes configured, including one to the 198.179.249.250 address Netview
assigned to a bogus interface.

My question(s):  Why has Netview discovered two extra Ethernet2 "critical"
interfaces with bogus MAC addresses and put ip addresses on them? What can I
do to remedy this condition?

Here's part of the ovobjprint -s of the router.  I have the "red" interfaces
unmanaged to keep the bogus status from propagating.



OBJECT: 81079

        FIELD ID        FIELD NAME                      FIELD VALUE
        261             TopM Interface Count            5
        267             TopM Interface List             "FastEthernet0 Up
10.192.25.11    255.255.255.0   0x00603E114DC0  ethernet csmacd     "
                                                        "Ethernet0  Up
10.192.106.1    255.255.255.0   0x00603E114DC1  ethernet csmacd     "
                                                        "Ethernet2  Up
198.179.249.249 255.255.255.0   0x00603E114DC2  ethernet csmacd     "
                                                        "Ethernet2
Unmanaged  198.179.249.250 255.255.255.0   0x00000C07AC01  ethernet csmacd
"
                                                        "Ethernet2
Unmanaged  198.179.249.251 255.255.255.0   0x00000C07AC01  ethernet csmacd
"
        278             XXMAP Protocol List             "IP"
        364             IP Name                         "colonialbldg"
        1843            default IP Symbol List          188766



Thanks in advance for your insight.

Mark Scherting
State of Montana
Information Technology Services Division


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