[ietf85-tech] Billo: netdisco question

Tauber, Tony Tony_Tauber at cable.comcast.com
Sat Nov 3 13:37:28 PDT 2012


I don't really know netdisco but if it uses the CDP MIB for this
information, I think there are times that a neighbor changes (e.g. if you
change the connection on a port) and the CLI will get updated but not the
MIB variable.

Just a guess.  If so, forcing more port transitions (e.g. admin shutting
unshutting) might fix or reboot might be the only method.

Tony

On 11/3/12 2:57 PM, "Bjoern A. Zeeb" <bzeeb-lists at lists.zabbadoz.net>
wrote:

>Hi Billo,
>
>do you have an idea how a mac address can get into remote_id and not be
>fixed automatically?
>
>netdisco=> SELECT 
>ip,port,creation,descr,up,up_admin,type,duplex,speed,name,mac,mtu,stp,remo
>te_ip,remote_port,remote_id,vlan,pvid,lastchange FROM public.device_port
>WHERE ip='130.129.1.30' AND remote_id='00:1e:f7:e8:35:00';
>      ip      |        port         |         creation          |
>descr        | up | up_admin |      type       | duplex |  speed   |
>name  |        mac        | mtu  |    stp     |  remote_ip   |
>remote_port     |     remote_id     | vlan | pvid | lastchange
>--------------+---------------------+---------------------------+---------
>------------+----+----------+-----------------+--------+----------+-------
>-+-------------------+------+------------+--------------+-----------------
>---+-------------------+------+------+------------
>130.129.1.30 | GigabitEthernet0/10 | 2012-11-03 18:48:55.55141 |
>GigabitEthernet0/10 | up | up       | ethernet-csmacd | full   | 1.0 Gbps
>| Gi0/10 | 5c:50:15:75:53:8a | 1500 | forwarding | 130.129.1.25 |
>GigabitEthernet0/1 | 00:1e:f7:e8:35:00 | 1    |    1 |    8287830
>
>
>
>CDP seems to know the corrrect data.  It only seems to happen on exactly
>that one port and of course that is the uplink of the sw-noc to SW-IDF3
>which elsewhere is all right.
>
>What's the best way to get this fixed?
>
>
>Thanks,
>/bz
>
>-- 
>Bjoern A. Zeeb                                 You have to have visions!
>          Stop bit received. Insert coin for new address family.
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