pause frames

[Максим Богданов]

Hello!

I m trying to replay a traffic from a pcap file in STL with a script using a push_pcap function

But trex shows an error

Could you confirm that T-Rex actually does not support pause frames?

[hanoh haim]

Hi,

I think it is a different issue. try to same the file in Wireshark to a different format. There are many pcap file format and trex supports only two types.

Thanks

Hanoh

[Jon]

Just for reference how would we determine the types. I want to replay a chunk of our traffic from a .pcap. obviously it's not the file extension?

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[hanoh haim]

Hi Jon, the header of the pcap file (first 4 bytes) should be one of the following:

static uint32_t MAGIC_NUM_FLIP = 0xd4c3b2a1;

static uint32_t MAGIC_NUM_DONT_FLIP = 0xa1b2c3d4;

static uint32_t MAGIC_NUM_NS_FLIP = 0x4d3cb2a1;

static uint32_t MAGIC_NUM_NS_DONT_FLIP = 0xa1b23c4d;

Thanks

Hanoh

[Jon]

Thank you!