Capturing Pdus - Dell Force10 S4810P Configuration Manual

High-density, 1ru 48-port 10gbe switch

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Capturing PDUs

Capture incoming and outgoing PDUs on a per-peer basis using the command

Disable capturing using the no form of this command.

The buffer size supports a maximum value between 40 MB (the default) and 100 MB. The capture buffers

are cyclic and reaching the limit prompts the system to overwrite the oldest PDUs when new ones are

received for a given neighbor or direction. Setting the buffer size to a value lower than the current max,

might cause captured PDUs to be freed to set the new limit.

Note: Memory on RP1 is not pre-allocated, and is allocated only when a PDU needs to be captured.

Use the command

capture bgp-pdu max-buffer-size

View the captured PDUs using the command

Figure 9-35. Viewing Captured PDUs

FTOS#show capture bgp-pdu neighbor 20.20.20.2

Incoming packet capture enabled for BGP neighbor 20.20.20.2

Available buffer size 40958758, 26 packet(s) captured using 680 bytes

PDU[1] : len 101, captured 00:34:51 ago

ffffffff ffffffff ffffffff ffffffff 00650100 00000013 00000000 00000000 419ef06c 00000000

00000000 00000000 00000000 00000000 0181a1e4 0181a25c 41af92c0 00000000 00000000 00000000

00000000 00000001 0181a1e4 0181a25c 41af9400 00000000

PDU[2] : len 19, captured 00:34:51 ago