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Show ASP Drop

HI,

I want help for below issue, does it mean i have problem with my isp, because my customer complain from disconnecting in service or no service ?

ASA-E#  show asp drop

Frame drop:

  Invalid TCP Length (invalid-tcp-hdr-length)                                226

  Invalid UDP Length (invalid-udp-length)                                     26

  No valid adjacency (no-adjacency)                                      1132921

  Flow is denied by configured rule (acl-drop)                          25221865

  Flow denied due to resource limitation (unable-to-create-flow)        30315574

  First TCP packet not SYN (tcp-not-syn)                                 7566521

  Bad TCP flags (bad-tcp-flags)                                            14877

  TCP data send after FIN (tcp-data-past-fin)                                157

  TCP failed 3 way handshake (tcp-3whs-failed)                             60984

  TCP RST/FIN out of order (tcp-rstfin-ooo)                              1619633

  TCP SEQ in SYN/SYNACK invalid (tcp-seq-syn-diff)                        401073

  TCP ACK in SYNACK invalid (tcp-ack-syn-diff)                                 5

  TCP SYNACK on established conn (tcp-synack-ooo)                          42298

  TCP packet SEQ past window (tcp-seq-past-win)                           268890

  TCP invalid ACK (tcp-invalid-ack)                                       675430

  TCP replicated flow pak drop (tcp-fo-drop)                               19295

  TCP ACK in 3 way handshake invalid (tcp-discarded-ooo)                     491

  TCP Out-of-Order packet buffer timeout (tcp-buffer-timeout)                 66

  TCP RST/SYN in window (tcp-rst-syn-in-win)                               10480

  TCP dup of packet in Out-of-Order queue (tcp-dup-in-queue)                 997

  TCP packet failed PAWS test (tcp-paws-fail)                              50690

  Connection limit reached (conn-limit)                                        1

  Slowpath security checks failed (sp-security-failed)                     46497

  Expired flow (flow-expired)                                                  1

  ICMP Error Inspect no existing conn (inspect-icmp-error-no-existing-conn)                                    51

  DNS Inspect invalid packet (inspect-dns-invalid-pak)                       141

  DNS Inspect invalid domain label (inspect-dns-invalid-domain-label)       1629

  DNS Inspect packet too long (inspect-dns-pak-too-long)                     156

  DNS Inspect id not matched (inspect-dns-id-not-matched)                 127234

  Unable to obtain connection lock (connection-lock)                           4

  Interface is down (interface-down)                                         447

  RM connection limit reached (rm-conn-limit)                           14027404

Last clearing: Never

Flow drop:

  Flow is denied by access rule (acl-drop)                                  3002

  NAT failed (nat-failed)                                               19624370

  NAT reverse path failed (nat-rpf-failed)                                   240

  Inspection failure (inspect-fail)                                       605102

Last clearing: Never

1 REPLY
Bronze

Show ASP Drop

Hi Mustafa,

The output of "show asp drop" is cumulative. So you need to clear the counters "clear asp drop" then try to observe a baseline and any abnormally increasing counters.

I suggest that you collect the ASP drop captures and match them to the reported failure:

capture aspcap type asp-drop all

capture aspcap  buffer 32000000

show captue aspcap

--

Regards.
Mashal Shboul

------------------ Mashal Shboul
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