[c-nsp] SNMPv3 bug on 3550

Church, Charles cchurc05 at harris.com
Wed Feb 6 16:03:51 EST 2008


Thanks.  I did try it that way too.  Long log shows it doing this:

PSRB-U00-OS-03(config)#do sh run | i test

PSRB-U00-OS-03(config)#do sh snmp user

PSRB-U00-OS-03(config)#do sh snmp group

PSRB-U00-OS-03(config)#snmp-server group testgroup v3 auth access 98

PSRB-U00-OS-03(config)#do sh run | i test
snmp-server group testgroup v3 auth access 98

PSRB-U00-OS-03(config)#snmp-server user testuser testgroup v3 auth md5 blah access 98

PSRB-U00-OS-03(config)#do sh run | i test
snmp-server group testgroup v3 auth access 98

PSRB-U00-OS-03(config)#snmp-server host 172.24.4.5 version 3 auth testuser
PSRB-U00-OS-03(config)#snmp-server host 172.24.5.6 version 3 auth testuser
PSRB-U00-OS-03(config)#snmp-server host 172.26.4.7 version 3 auth testuser

PSRB-U00-OS-03(config)#do sh run | i test
snmp-server group testuser v3 auth notify *tv.FFFFFFFF.FFFFFFFF.FFFFFFFF.FFFFFFFF0F
snmp-server group testgroup v3 auth access 98
snmp-server host 172.24.4.5 version 3 auth testuser
snmp-server host 172.24.5.6 version 3 auth testuser
snmp-server host 172.26.4.7 version 3 auth testuser

PSRB-U00-OS-03(config)#do sh snmp group
groupname: testuser                         security model:v3 auth
readview : <no readview specified>          writeview: <no writeview specified> 
notifyview: *tv.FFFFFFFF.FFFFFFFF.FFFFFFFF.F
row status: active

groupname: testgroup                        security model:v3 auth
readview : v1default                        writeview: <no writeview specified> 
notifyview: <no notifyview specified>
row status: active      access-list: 98

PSRB-U00-OS-03(config)#do sh snmp user

User name: testuser
Engine ID: 800000090300000D65D8D281
storage-type: nonvolatile        active access-list: 98
Authentication Protocol: MD5
Privacy Protocol: None
Group-name: testgroup

PSRB-U00-OS-03(config)#


So it would appear that the configuration of the trap destinations is what's causing the group with the user name to be created.  Same result if you do the user first, and then the group.  Any ideas?

Thanks,

Chuck

-----Original Message-----
From: Tassos Chatzithomaoglou [mailto:achatz at forthnet.gr] 
Sent: Wednesday, February 06, 2008 3:42 PM
To: Church, Charles
Cc: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] SNMPv3 bug on 3550


I think you have to create group first, then user.

--
Tassos


Church, Charles wrote on 6/2/2008 9:27 μμ:
> Hey all,
>  
>     I'm seeing the following behavior on 3550s running
> c3550-ipbasek9-mz.122-25.SEE2.bin:
>  
> Commands entered:
> snmp-server user testuser testgroup v3 auth md5 (password) access 98
> snmp-server group testgroup v3 auth not
> *tv.FFFFFFFF.FFFFFFFF.FFFFFFFF.FFFFFFFFFF access 98
> snmp-server host 172.24.4.5 version 3 auth testuser
>  
> Results of commands:
> snmp-server group testuser v3 auth notify
> *tv.FFFFFFFF.FFFFFFFF.FFFFFFFF.FFFFFFFF0F
> snmp-server group testgroup v3 auth notify
> *tv.FFFFFFFF.FFFFFFFF.FFFFFFFF.FFFFFFFFFF
> snmp-server host 172.24.4.5 version 3 auth testuser
> 
> So the configuration of a user called 'testuser' is creating a group
> called 'testuser'.  We should only be seeing 'testgroup' exist as a
> group, right?  I did a search through bug navigator, didn't see anything
> involving snmp and user or group listed.  Is this a known issue?  We use
> the same command set on 6500s running 12.2(18)SXF9, don't see that
> happen.
>  
> Thanks,
>  
> Chuck Church
> Principal Network Engineer, CCIE #8776
> Harris Information Technology Services
> EDS Contractor - Navy Marine Corps Intranet (NMCI)
> 1210 N. Parker Rd. | Greenville, SC 29609 
> Office: 864-335-9473 | Cell: 864-266-3978
> 
>  
> _______________________________________________
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