[nsp] PA-1GE=: Packet discard

[Noriega, Alejandro]

Beng,	
	in another mail to the list I specified the 'other ends'. 
On my 7200 I have not any option to set the duplex operation for my
PA-1GE. I have only this option on my switches. I'm telling you this
because I always prefer to set my Ethernets interfaces but I never did
it with a GE.

200Mbps, but symmetric? I think that 200Mbps for a GE interface is to
lame :(

Thanks for your answer.

Regards,
Alejandro.

-----Original Message-----
From: Ong Beng Hui [mailto:bhong at starhub.com] 
Sent: Wednesday, September 17, 2003 6:03 AM
To: Noriega, Alejandro
Subject: RE: [nsp] PA-1GE=: Packet discard


Depending on your "the other end" of GE, you might check the flow
control, and duplex setting. I personally prefer to set it than have it
auto. 
You might need to test it first.

And anyway... PA-1GE is good for 200Mbps, due to the PCI limitation on
the PA. Nothing much you have do. same applied to the GEIP on the 7500,
that are not "real" 1Gbps GE.

> -----Original Message-----
> From: Noriega, Alejandro [mailto:ANoriega at prima.com.ar]
> Sent: Wednesday, September 17, 2003 5:43 AM
> To: cisco-nsp at puck.nether.net
> Subject: [nsp] PA-1GE=: Packet discard
> Importance: High
> 
> 
> Hello folks,
> 	I have a 7204VXR (NPE400 - 256MB) with a C7200-I/O-GE+E and a 
> PA-1GE=. I'm using both GE and both interfaces are handling more than 
> 180Mbps (in/out). The problem I have is that the PA-1GE= drops a lot 
> of packets and have a lot of ignored and overruns (which cause a 
> heavily latency on my network) but the GE (on the I/O) is Ok !.
> I was checking the configuration of both interfaces and the unique
> difference that I found was the flow control settings.
> 
> The if which drops packets:
> 
> GigabitEthernet2/0 is up, line protocol is up 
>   Hardware is WISEMAN
>   MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec, 
>      reliability 255/255, txload 39/255, rxload 45/255
>   Encapsulation ARPA, loopback not set
>   Keepalive set (10 sec)
>   Full-duplex mode, link type is autonegotiation, media type is SX
>   output flow-control is on, input flow-control is unsupported
>   5 minute input rate 176652000 bits/sec, 57516 packets/sec
>   5 minute output rate 154467000 bits/sec, 42975 packets/sec !
> The if which doesn't drop packets:
> 
> GigabitEthernet0/0 is up, line protocol is up 
>   Hardware is i82543 (Livengood)
>   MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec, 
>      reliability 255/255, txload 45/255, rxload 39/255
>   Encapsulation ARPA, loopback not set
>   Keepalive set (10 sec)
>   Full-duplex mode, link type is autonegotiation, media type is SX
>   output flow-control is off, input flow-control is off
>   5 minute input rate 154216000 bits/sec, 42761 packets/sec
>   5 minute output rate 176668000 bits/sec, 57372 packets/sec
> 
> Anyone have any idea of which is the most recommended settings for GE 
> interfaces (in general)? What about the flow control?
> 
> Thanks a lot !
> 
> Regards,
> Alejandro.
> 
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