[c-nsp] High CPU: punted packets

[Joe Cozzupoli]

Do you have any ACLs with logging configured on them? I've seen something similar before with a customers Cat6k which had some large ACLs configured and each line had the "log" parameter configured also.

Sent from my iPhone

On 22/11/2012, at 13:50, Jefri Abdullah <me at jefri.info> wrote:

> Hi,
> 
> We've problem in our 7600 PE router running 15.2(2)S1, we observed
> that high cpu due to packets are punted. This is netdr capture:
> 
> ------- dump of incoming inband packet -------
> interface NULL, routine mistral_process_rx_packet_inlin, timestamp
> 10:21:58.298
> dbus info: src_vlan 0x402(1026), src_indx 0x342(834), len 0x5D(93)
>  bpdu 0, index_dir 0, flood 0, dont_lrn 0, dest_indx 0x380(896)
>  2D020C01 04020000 03420000 5D000000 00110000 20000000 00000000
> 03800000
> mistral hdr: req_token 0x0(0), src_index 0x342(834), rx_offset
> 0x76(118)
>  requeue 0, obl_pkt 0, vlan 0x402(1026)
> destmac 00.24.C4.C0.0B.40, srcmac 00.00.00.00.00.00, protocol 0800
> protocol ip: version 0x04, hlen 0x05, tos 0xBA, totlen 75, identifier 0
>  df 0, mf 0, fo 0, ttl 61, src *.*.*.*, dst *.*.*.*
>  udp src 20868, dst 19342 len 55 checksum 0xA915
> 
> We've no idea why the incoming interface is NULL, and why this packet
> is punted. Do you guys have any clue about this?
> 
> 
> 
> -- 
> 
> Regards,
> 
> Jefri Abdullah
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