Re: [f-nsp] High CPU on LP

What protocols are you running over the GRE tunnel?

It might be helpful to include the GRE config from both sides.

The diagnostic guide says drop code 55 / Layer 3 invalid FID(PFE) means
"the forwarding information for a layer 3 packet is invalid in software".

-- 
Eldon

On Mar 29, 2017 11:23 PM, "Daniel Zilla" <[email protected]> wrote:

> Formatting;
>
> Hello List
>
> LP CPU is stuck at 96-100% when receiving traffic over a configured GRE
> tunnel
>
> MLX-4
> NI-MLX-10Gx4
>
> Debug packet capture shows many of these
>
> [ppcr_tx_packet] ACTION: Drop packet(reason: Layer 3 invalid FID(PFE))
> [ppcr_rx_packet]: Packet received
> Time stamp : 188 day(s) 12h 45m 15s:,
> TM Header: [ 8016 1000 0000 ]
> Type: Fabric Unicast(0x00000008) Size: 88 Parity: 1 Src IF: 0
> Src Fap: 0 Dest Port: 0  Src Type: 0 Class: 0x00000000
> **********************************************************************
> Packet size: 82, XPP reason code: 0x00006868
> FID     = 0x0001
>   Offset  = 0x10
>   VLAN    = 100(0x0064)
>   CAM     = 0x135ad(R)
>   SFLOW   = 0
>   DBL TAG = 0
>
> Pri CPU MON SRC   PType US BRD DAV SAV DPV SV ER TXA SAS Tag MVID
> 0   1   0   1/1   0     1  0   0   0   1   0  0  1   1   1   0
>
> The issue only occurs when traffic is sent over the GRE tunnel otherwise
> CPU is 1 - 2 %
>
> Management CPU is low all the time, LP is the only problematic
>
> Show tasks indicates LP-RX-Pak is 96% : main is 2%
>
> No route-only mode is enabled on this chassis.
>
> Cheers
>
>
> 30.03.2017, 01:18, "Daniel Zilla" <[email protected]>:
>
> Hello List
>
> LP CPU is stuck at 96-100% when receiving traffic over a configured GRE
> tunnel
>
> MLX-4
> NI-MLX-10Gx4
>
> Debug packet capture shows many of these
>
> [ppcr_tx_packet] ACTION: Drop packet(reason: Layer 3 invalid FID(PFE))
> [ppcr_rx_packet]: Packet received
> Time stamp : 188 day(s) 12h 45m 15s:,
> TM Header: [ 8016 1000 0000 ]
> Type: Fabric Unicast(0x00000008) Size: 88 Parity: 1 Src IF: 0
> Src Fap: 0 Dest Port: 0  Src Type: 0 Class: 0x00000000
> **********************************************************************
> Packet size: 82, XPP reason code: 0x00006868
> FID     = 0x0001
>   Offset  = 0x10
>   VLAN    = 100(0x0064)
>   CAM     = 0x135ad(R)
>   SFLOW   = 0
>   DBL TAG = 0
>
> Pri CPU MON SRC   PType US BRD DAV SAV DPV SV ER TXA SAS Tag MVID
> 0   1   0   1/1   0     1  0   0   0   1   0  0  1   1   1   0
>
> The issue only occurs when traffic is sent over the GRE tunnel otherwise
> CPU is 1 - 2 %
>
> Management CPU is low all the time, LP is the only problematic
>
> Show tasks indicates LP-RX-Pak is 96% : main is 2%
>
> No route-only mode is enabled on this chassis.
>
> Cheers
>
>
> _______________________________________________
> foundry-nsp mailing list
> [email protected]
> http://puck.nether.net/mailman/listinfo/foundry-nsp
>

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