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Viewing dropped packets on ASA`΂`΂BOOKMOBIAZx^ MOBI 4 @EXTHdColliniASA ,Troubleshootingg9

show asp drop is a great troubleshooting command for the ASA.ASA5505#show asp dropFrame drop:Invalid encapsulation (invalid-encap) 8Invalid TCP Length (invalid-tcp-hdr-length) 13Invalid UDP Length (invalid-udp-length) 3No valid adjacency (no-adjacency) 432No route to host (no-route) 854Flow is …

j'Sun, 26 Aug 2012 22:19:00 +0000pMhttp://www.packetpros.com/2012/08/viewing-dropped-packets-on-asa.htmlePacketprosf Copyright packetpros.comViewing dropped packets on ASA

show asp drop is a great troubleshooting command for the ASA.

ASA5505#show asp drop

Frame drop:
Invalid encapsulation (invalid-encap) 8
Invalid TCP Length (invalid-tcp-hdr-length) 13
Invalid UDP Length (invalid-udp-length) 3
No valid adjacency (no-adjacency) 432
No route to host (no-route) 854
Flow is denied by configured rule (acl-drop) 5917343
Flow denied due to resource limitation (unable-to-create-flow) 3717
Invalid SPI (np-sp-invalid-spi) 827
NAT-T keepalive message (natt-keepalive) 738148
First TCP packet not SYN (tcp-not-syn) 466773
Bad TCP flags (bad-tcp-flags) 204
TCP Dual open denied (tcp-dual-open) 3
TCP failed 3 way handshake (tcp-3whs-failed) 6351
TCP RST/FIN out of order (tcp-rstfin-ooo) 13965
TCP SEQ in SYN/SYNACK invalid (tcp-seq-syn-diff) 963
TCP SYNACK on established conn (tcp-synack-ooo) 375
TCP packet SEQ past window (tcp-seq-past-win) 10975
TCP invalid ACK (tcp-invalid-ack) 1580
TCP ACK in 3 way handshake invalid (tcp-discarded-ooo) 107
TCP Out-of-Order packet buffer full (tcp-buffer-full) 438460
TCP Out-of-Order packet buffer timeout (tcp-buffer-timeout) 318081
TCP RST/SYN in window (tcp-rst-syn-in-win) 8434
TCP packet failed PAWS test (tcp-paws-fail) 4202
IPSEC tunnel is down (ipsec-tun-down) 1789
Early security checks failed (security-failed) 182
Slowpath security checks failed (sp-security-failed) 38761
IP option drop (invalid-ip-option) 118
Expired flow (flow-expired) 4691
ICMP Error Inspect no existing conn (inspect-icmp-error-no-existing-conn) 10
DNS Inspect invalid packet (inspect-dns-invalid-pak) 12
DNS Inspect id not matched (inspect-dns-id-not-matched) 3306
FP L2 rule drop (l2_acl) 52939
Interface is down (interface-down) 3
Dropped pending packets in a closed socket (np-socket-closed) 24834
SVC Module does not have a session (mp-svc-no-session) 79

Last clearing: Never

Flow drop:
Need to start IKE negotiation (need-ike) 98
Inspection failure (inspect-fail) 120188
SSL received close alert (ssl-received-close-alert) 6

Last clearing: Never


You can clear the ASP table with 

clear asp table

FLIS00 00 00 0800 4100 0000 00 00 00ff ff ff ff00 0100 0300 00 00 0300 00 00 01ff ff ff ffFCIS00 00 00 1400 00 00 1000 00 00 0100 00 00 0000 00 0b ed00 00 00 0000 00 00 2000 00 00 0800 0100 0100 00 00 003918400778