[cisco-bba] 7200 - LNS -> cpu question

[Tassos Chatzithomaoglou]

Corbett Nelson (cornelso) wrote:

> So a total of 240Mbps of BiDirectional traffic? Do you have ospf set to
> passive for the virtual template? What is the LAC?
> 

I don't know how exactly the traffic is counted, since we have the following on the 7200:

atm -> VT -> eth

We have 80/30 mbps for atm and 30/80 mbps for eth. Do we need to count all the virtual 
access interfaces' traffic too?

Ospf is set to passive for VT.
LAC is a Juniper ERX1400.

> -----Original Message-----
> From: cisco-bba-bounces at puck.nether.net
> [mailto:cisco-bba-bounces at puck.nether.net] On Behalf Of Tassos
> Chatzithomaoglou
> Sent: Wednesday, February 25, 2004 12:23 PM
> To: cisco-bba
> Subject: [cisco-bba] 7200 - LNS -> cpu question
> 
> 
> 7200 (NPE-G1)
> -------------
> 
> Input data
> ----------
> 2000 L2TP sessions terminated
> netflow running on all input/output interfaces
> ospf running
> MQC (policy-map) per-user
> no fragmentation problem
> compression disabled
> cef enabled
> multicast (sparse) enabled on 5% of sessions
> 80 mbps input/30 mbps output traffic per interface (x2 for total)
> 
> Output data
> -----------
> CPU Usage = 45-50%
> 
>   PID Runtime(ms)   Invoked      uSecs   5Sec   1Min   5Min TTY Process
>     5     1604688    119709      13404  0.39%  0.17%  0.15%   0 Check
> heaps
>    29      866208    501989       1725  0.15%  0.07%  0.07%   0 Net
> Background
>    32     4594580    652547       7041  0.71%  0.52%  0.47%   0
> Per-Second Jobs
>    50     3365384  34128894         98  0.47%  0.45%  0.44%   0 IP Input
>    77     3831104   1458694       2626  0.47%  0.48%  0.46%   0 CEF
> process
>   113         264       608        434  0.31%  0.04%  0.01%   2 Virtual
> Exec
>   126     2474188    130138      19012  0.39%  0.31%  0.27%   0 Compute
> load avg
>   138      967284  42665344         22  0.15%  0.12%  0.13%   0 L2X Data
> Daemon
>   140      858168   2895925        296  0.07%  0.08%  0.08%   0 L2TP
> mgmt daemon
>   143     3473816    759334       4574  0.31%  0.35%  0.37%   0 IGMP
> Input
>   145     3866468   2002333       1930  0.31%  0.44%  0.48%   0 PIM
> Process
>   150      485300  20908277         23  0.15%  0.08%  0.07%   0 PPP
> manager
>   151     1042856  25471233         40  0.15%  0.10%  0.11%   0 PPP
> Events
>   161      829188   3242855        255  0.07%  0.06%  0.08%   0 OSPF
> Router
> 
> 
> Question
> --------
> Is the 45-50% cpu usage normal/expected in our setup?
> 
> If yes, what would be the next step? 10000?
> 

-- 
***************************************
       Chatzithomaoglou Anastasios
Network Design & Development Department
              FORTHnet S.A.
          <achatz at forthnet.gr>
***************************************