Lack of IPv6 traffic stats makes judging progress difficult

chip chip.gwyn at gmail.com
Wed Jun 1 23:50:13 CEST 2011


On Wed, Jun 1, 2011 at 4:58 PM, Todd Snyder <todd at borked.ca> wrote:
> I had some confusion around getting this working - I couldn't figure out
> what the values actually meant which made it hard to determine what I needed
> to gather.
> So for others who may be trying to sort this out, I ended up updating our
> IP-MIB and the INET-ADDRESS-MIB from ftp://ftp.cisco.com/pub/mibs/v2/
> That now gives me:
> snmpwalk -v 2c -c xxx router .1.3.6.1.2.1.4.31.3.1.6
> IP-MIB::ipIfStatsHCInOctets.ipv6.37 = Counter64: 1117948
> IP-MIB::ipIfStatsHCInOctets.ipv6.47 = Counter64: 998370
> I have also poked Cisco to update their SNMP object browser with the newer
> MIB(s) so it contains the ipv6/ipv4 additions beyond ipIfStatsHCInOctets
> (http://tools.cisco.com/Support/SNMP/do/BrowseOID.do?objectInput=1.3.6.1.2.1.4.31.3.1.6&translate=Translate&submitValue=SUBMIT&submitClicked=true)
> Cheers,
> Todd.
> -----Original Message-----
> From: ipv6-ops-bounces+frnkblk=iname.com at lists.cluenet.de
> [mailto:ipv6-ops-bounces+frnkblk=iname.com at lists.cluenet.de] On Behalf Of
> Tassos Chatzithomaoglou
> Sent: Wednesday, May 25, 2011 12:44 AM
> To: ipv6-ops at lists.cluenet.de
> Subject: Re: Lack of IPv6 traffic stats makes judging progress difficult
>
> ok, i managed to ipv6 stats per interface on a CRS by
> queryingipIfStatsHCIn/OutOctets:
>
> i.e.
> snmpwalk -v2c -c xxx router .1.3.6.1.2.1.4.31.3.1.6
> ip.31.3.1.6.2.75 = Counter64: 193498077
> ip.31.3.1.6.2.82 = Counter64: 1372480387
> ip.31.3.1.6.2.85 = Counter64: 1026814419
> ip.31.3.1.6.2.88 = Counter64: 30528758
> ip.31.3.1.6.2.89 = Counter64: 1319486
> ip.31.3.1.6.2.90 = Counter64: 278863122
> ip.31.3.1.6.2.91 = Counter64: 61462823

Todd,

  You're my hero!  Looks like it works on 6500/7600 under SRE1 as
well.  I haven't compared it to my 'show interfaces accounting'
numbers yet to see if it matches hardware vs process switched packets,
but initial indication is that it's all good.

--chip

-- 
Just my $.02, your mileage may vary,  batteries not included, etc....


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