[mrtg] Re: Cisco SubInterfaces and Vlan Bandwidth Utilization.

Daniel J McDonald dmcdonald at digicontech.com
Tue Jul 31 21:39:33 MEST 2001

>MRTG Version 2.9.17 running on RedHat7.0 against Cisco 2621's and 7200's
running IOS 12.0(7)T.
>The resulting test.cfg is does not give me any of the 25 or so VLANs only
the actual
>FastEthernet0/0 and FastEthernet0/1.  There is no IP address assigned to
the FastEthe...

12.0.7T does not support sub-interfaces for ethernet-style interfaces.
Support was included in 12.1.3T and 12.1.5aE for ISL based sub-interfaces.
As of 12.2.2T there is still no support for 802.1Q sub-interfaces.

People with a Cisco  Smartnet contract can track the progress at
http://www.cisco.com/cgi-bin/Support/Bugtool/onebug.pl?bugid=CSCds00250 .
It is considered priority 2, so we may see it in the 12.2.4 release due out
in mid September, or 12.2.5 in November, or 12.2.6 in January.  Probably not
after 12.2.6 though...

If this is critical to you, please call your Cisco Account Representative,
refer to the bugid CSCds00250, and convince them why you will buy more
routers once it is fixed ;-)

Note that you can't use the CAR hack to work around this - see CSCdu16821.

Daniel J McDonald, CCIE 2495, CNX
Principal Network Specialist
Digicon Technologies

Digicon, a Cisco Partner, Silver Certified.

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