[c-nsp] mpls hw limits on 7206

[Gert Doering]

Hi,

On Thu, Jun 29, 2006 at 06:14:36PM +0100, David Freedman wrote:
>  > doesn't seem to cause any issues.  I regularily see about 90 Mbit/s of
>  > TCP traffic go through, and if there is packet corruption, the TCP
>  > endpoints would certainly notice.
> 
> Are there any "bad" controller counters incrementing?

Now if I knew exactly where to look for...

Cisco#sh int fa0/1 acc
                     Tag 1174769848 3757550263  579498832 3544707062
Cisco#sh int fa0/1    
FastEthernet0/1 is up, line protocol is up 
  Hardware is i82543 (Livengood), address is 000b.fcbb.8006 (bia 000b.fcbb.8006)
...
     1205188042 packets input, 1233044960 bytes
     Received 37170 broadcasts (114110 IP multicast)
     0 runts, 0 giants, 0 throttles
     135 input errors, 0 CRC, 0 frame, 0 overrun, 135 ignored
     0 watchdog
     0 input packets with dribble condition detected
...

Cisco#sh contr fastEthernet 0/1
Interface FastEthernet0/1 (idb 0x627494E0)
Hardware is i82543 (Livengood) A2
  network link is up  
  Config is 100MB, Full Duplex
...
 i82543 Internal Driver Information:
...
  max_mtu=1528
... !interesting!  - Digital-based ports don't show this value at all
                     (-> 1528 payload or 1528 on-the-wire?)

 i82543 Statistics
  CRC error        0             Symbol error     0           
  Missed Packets   0             Single Collision 0           
  Excessive Coll   0             Multiple Coll    0           
  Late Coll        0             Collision        0           
  Defer            0             Receive Length   0           
  Sequence Error   0             XON RX           0           
  XON TX           0             XOFF RX          0           
  XOFF TX          0             FC RX Unsupport  0           
  Packet RX (64)   16660         Packet RX (127)  14842898    
  Packet RX (255)  1346589       Packet RX (511)  422434      
  Packet RX (1023) 3548194       Packet RX (1522) 1185014260  
  Good Packet RX   1205191185    Broadcast RX     37198       
  Multicast RX     504499        Good Packet TX   579936191   
  Good Octets RX.H 427           Good Octets RX.L 1759525825  
  Good Octets TX.H 12            Good Octets TX.L 1606707389  
  RX No Buff       135           RX Undersize     0           
  RX Fragment      0             RX Oversize      0           
  RX Octets High   427           RX Octets Low    1759528921  
  TX Octets High   12            TX Octets Low    1606707389  

"looks promising"...?

gert

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Gert Doering - Munich, Germany                             gert at greenie.muc.de
fax: +49-89-35655025                        gert at net.informatik.tu-muenchen.de