[j-nsp] SNMPD_AUTH_FAILURE

[Samuel]

Hi Eric,

I have already got this kind of problem.
Are you using snmp v3 ?

My problem was next :

When we change a RE, you have to generate again the MD5 password :

# set snmp v3 usm local-engine user TOTO authentication-md5 
authentication-password PASSWORD
# commit

For exemple is you have this configuration :
snmp {
    engine-id {
        use-mac-address;
    }
}
In this case the MD5 hash is genereted with the MAC address of the 
management interface (fxp0).
http://www.juniper.net/techpubs/software/junos/junos80/swconfig80-net-mgmt/html/snmp-v3-summary9.html 


Regards,
Samuel


Eric Van Tol a écrit :
> Hello,
> We replaced an old M5 with an M10i last week and ever since then, we get
> the following in syslog every day:
>
> Nov 13 07:38:21 snmpd[3317]: SNMPD_AUTH_FAILURE: agent_io_reader: failed
> input interface authorization from 172.26.26.5 to unknown (3)
>
> The IP is our NMS.  There are only two ways to get into this router from
> the NMS perspective; the ae0 and ae1 interfaces, both of which are
> configured in the snmp config:
>
> snmp {
>     interface [ ae0.0 ae1.0 lo0.0];
> }
>
> The strangest thing about this is that it occurs at 7:38AM every day.
> Not 7:12AM or 9:35PM, but 7:38AM.  Anyone seen this before?  I'm not
> seeing this message on any other routers.  JUNOS is 8.4R1.13.
>
> -evt
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