SCTP Information
Monitoring SCTP Operations
The ACLI show ip sctp command provides basic SCTP information as shown below.
ORACLE# show ip sctp
SCTP Statistics
0 input packets
0 datagrams
0 packets that had data
0 input SACK chunks
0 input DATA chunks
0 duplicate DATA chunks
0 input HB chunks
0 HB-ACK chunks
0 input ECNE chunks
0 input AUTH chunks
0 chunks missing AUTH
0 invalid HMAC ids received
0 invalid secret ids received
0 auth failed
0 fast path receives all one chunk
0 fast path multi-part data
0 output packets
0 output SACKs
0 output DATA chunks
0 retransmitted DATA chunks
0 fast retransmitted DATA chunks
0 FR's that happened more than once to same chunk
0 output HB chunks
0 output ECNE chunks
0 output AUTH chunks
0 ip_output error counter
Packet drop statistics:
0 from middle box
0 from end host
0 with data
0 non-data, non-endhost
0 non-endhost, bandwidth rep only
0 not enough for chunk header
0 not enough data to confirm
0 where process_chunk_drop said break
0 failed to find TSN
0 attempt reverse TSN lookup
0 e-host confirms zero-rwnd
0 midbox confirms no space
0 data did not match TSN
0 TSN's marked for Fast Retran
Timeouts:
0 iterator timers fired
0 T3 data time outs
0 window probe (T3) timers fired
0 INIT timers fired
0 sack timers fired
0 shutdown timers fired
0 heartbeat timers fired
0 a cookie timeout fired
0 an endpoint changed its cookiesecret
0 PMTU timers fired
0 shutdown ack timers fired
0 shutdown guard timers fired
0 stream reset timers fired
0 early FR timers fired
0 an asconf timer fired
0 auto close timer fired
0 asoc free timers expired
0 inp free timers expired
0 packet shorter than header
0 checksum error
0 no endpoint for port
0 bad v-tag
0 bad SID
0 no memory
0 number of multiple FR in a RTT window
0 RFC813 allowed sending
0 RFC813 does not allow sending
0 times max burst prohibited sending
0 look ahead tells us no memory in interface
0 numbers of window probes sent
0 times an output error to clamp down on next user send
0 times sctp_senderrors were caused from a user
0 number of in data drops due to chunk limit reached
0 number of in data drops due to rwnd limit reached
0 times a ECN reduced the cwnd
0 used express lookup via vtag
0 collision in express lookup
0 times the sender ran dry of user data on primary
0 same for above
0 sacks the slow way
0 window update only sacks sent
0 sends with sinfo_flags !=0
0 unordered sends
0 sends with EOF flag set
0 sends with ABORT flag set
0 times protocol drain called
0 times we did a protocol drain
0 times recv was called with peek
0 cached chunks used
0 cached stream oq's used
0 unread messages abandonded by close
0 send burst avoidance, already max burst inflight to net
0 send cwnd full avoidance, already max burst inflight to net
0 number of map array over-runs via fwd-tsn's
asctpd task Statistics
Control:(from app)
0 bad messages from app
0 listen (0 errors)
0 listen4
0 listen6
0 close (0 errors)
0 connect (0 errors)
0 connect4
0 connect6
0 setsockopt
Control:(to app)
0 accept (0 errors)
0 accept4
0 accept6
0 connected (0 errors)
0 connected4
0 connected6
0 disconnected
0 control replies
0 Tx retries
Data:
0 send requests from app (0 errors)
0 data to app (0 errors)
0 data dropped due to sendQ full
Debug:
Socket Allocs: 0 Frees: 0
Mblk alloc errors (0 data, 0 ctrl)
IPv6 Miscellaneous
0 IPv4 Packet
0 IPv6 Easy Packet
0 IPv6 Jumbo Discarded
0 IPv6 Bad Packet
0 IPv6 Reassembled Packet
0 IPv6 Hard Packet
0 IPv6 Deleted Frag Stream
0 IPv6 Bad Fragment
0 IPv6 Single Fragment
0 IPv6 Can't Create Frag Stream
0 IPv6 Won't Create Frag Stream
0 IPv6 Current Number Frag Streams
0 IPv6 Total Frag Streams
0 IPv6 Reassemble no Mblk
0 IPv6 Reassemble Too Big
ORACLE#The ACLI show ip asctp command provides active SCTP state information as shown below.
ORACLE# show ip connections asctp
A-SCTP Internet Connections
Active ASCTP associations (including servers)
Socket Proto Type Local Address Foreign Address State
2b2d1a84 SCTP 1to1 10.1.209.50:8192 10.1.209.47:5050 pri ESTAB
10.1.210.50:8192 10.1.210.47:5050 sec
2b2d238C SCTP 1to1 2.2.2.2:5060 LISTEN
1.1.1.1:5060
2b2d2730 SCTP 1to1 10.1.210.50:5060 LISTEN
10.1.209.50:5060
ORACLE#