On Fri, Sep 20, 2013 at 12:13 PM, Alexey E. Suslikov
<[email protected]> wrote:
>> Any idea what the issue could be?
>
> could you provide netstat -s output after "several hours"?
To circle back, errors started building again and below is netstat -s.
As Chris suggested I'll try a snapshot and see if issue surfaces
again.
$ netstat -nIsis0
Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Colls
sis0 1500 <Link> 00:00:24:c1:7d:80 2226107 1685 4465321 0 0
sis0 1500 10.0.1/24 10.0.1.1 2226107 1685 4465321 0 0
sis0 1500 fe80::%sis0 fe80::200:24ff:fe 2226107 1685 4465321 0 0
$ netstat -s
ip:
6605278 total packets received
0 bad header checksums
0 with size smaller than minimum
0 with data size < data length
0 with header length < data size
0 with data length < header length
0 with bad options
0 with incorrect version number
0 fragments received
0 fragments dropped (duplicates or out of space)
0 malformed fragments dropped
0 fragments dropped after timeout
0 packets reassembled ok
86910 packets for this host
0 packets for unknown/unsupported protocol
6490335 packets forwarded
8 packets not forwardable
0 redirects sent
9029 packets sent from this host
8 packets sent with fabricated ip header
0 output packets dropped due to no bufs, etc.
0 output packets discarded due to no route
40 output datagrams fragmented
40 fragments created
0 datagrams that can't be fragmented
0 fragment floods
0 packets with ip length > max ip packet size
0 tunneling packets that can't find gif
0 datagrams with bad address in header
0 input datagrams checksum-processed by hardware
0 output datagrams checksum-processed by hardware
0 multicast packets which we don't join
icmp:
16 calls to icmp_error
0 errors not generated because old message was icmp
Output packet histogram:
destination unreachable: 16
0 messages with bad code fields
0 messages < minimum length
0 bad checksums
0 messages with bad length
0 echo requests to broadcast/multicast rejected
Input packet histogram:
echo reply: 36
destination unreachable: 8
0 message responses generated
igmp:
0 messages received
0 messages received with too few bytes
0 messages received with bad checksum
0 membership queries received
0 membership queries received with invalid field(s)
0 membership reports received
0 membership reports received with invalid field(s)
0 membership reports received for groups to which we belong
0 membership reports sent
ipencap:
0 total input packets
0 total output packets
0 packets shorter than header shows
0 packets dropped due to policy
0 packets with possibly spoofed local addresses
0 packets were dropped due to full output queue
0 input bytes
0 output bytes
0 protocol family mismatches
0 attempts to use tunnel with unspecified endpoint(s)
tcp:
7319 packets sent
6894 data packets (497918 bytes)
16 data packets (576 bytes) retransmitted
0 fast retransmitted packets
283 ack-only packets (6243 delayed)
0 URG only packets
0 window probe packets
12 window update packets
114 control packets
0 packets hardware-checksummed
13049 packets received
6709 acks (for 498066 bytes)
70 duplicate acks
0 acks for unsent data
0 acks for old data
6372 packets (406984 bytes) received in-sequence
0 completely duplicate packets (0 bytes)
0 old duplicate packets
0 packets with some duplicate data (0 bytes duplicated)
63 out-of-order packets (0 bytes)
0 packets (0 bytes) of data after window
0 window probes
8 window update packets
0 packets received after close
0 discarded for bad checksums
0 discarded for bad header offset fields
0 discarded because packet too short
0 discarded for missing IPsec protection
0 discarded due to memory shortage
0 packets hardware-checksummed
0 bad/missing md5 checksums
0 good md5 checksums
20 connection requests
69 connection accepts
81 connections established (including accepts)
322 connections closed (including 1 drop)
0 connections drained
8 embryonic connections dropped
6720 segments updated rtt (of 6661 attempts)
29 retransmit timeouts
1 connection dropped by rexmit timeout
0 persist timeouts
0 keepalive timeouts
0 keepalive probes sent
0 connections dropped by keepalive
5571 correct ACK header predictions
6023 correct data packet header predictions
146 PCB cache misses
0 ECN connections accepted
0 ECE packets received
0 CWR packets received
0 CE packets received
0 ECT packets sent
0 ECE packets sent
0 CWR packets sent
cwr by fastrecovery: 0
cwr by timeout: 29
cwr by ecn: 0
0 bad connection attempts
69 SYN cache entries added
0 hash collisions
69 completed
0 aborted (no space to build PCB)
0 timed out
0 dropped due to overflow
0 dropped due to bucket overflow
0 dropped due to RST
0 dropped due to ICMP unreachable
0 SYN,ACKs retransmitted
0 duplicate SYNs received for entries already in the cache
0 SYNs dropped (no route or no space)
0 SACK recovery episodes
0 segment rexmits in SACK recovery episodes
0 byte rexmits in SACK recovery episodes
0 SACK options received
0 SACK options sent
udp:
73817 datagrams received
0 with incomplete header
0 with bad data length field
0 with bad checksum
0 with no checksum
0 input packets hardware-checksummed
0 output packets hardware-checksummed
8 dropped due to no socket
72780 broadcast/multicast datagrams dropped due to no socket
0 dropped due to missing IPsec protection
0 dropped due to full socket buffers
1029 delivered
1632 datagrams output
8 missed PCB cache
esp:
0 input ESP packets
0 output ESP packets
0 packets from unsupported protocol families
0 packets shorter than header shows
0 packets dropped due to policy
0 packets for which no TDB was found
0 input packets that failed to be processed
0 packets with bad encryption received
0 packets that failed verification received
0 packets for which no XFORM was set in TDB received
0 packets were dropped due to full output queue
0 packets where counter wrapping was detected
0 possibly replayed packets received
0 packets with bad payload size or padding received
0 packets attempted to use an invalid TDB
0 packets got larger than max IP packet size
0 packets that failed crypto processing
0 input UDP encapsulated ESP packets
0 output UDP encapsulated ESP packets
0 UDP packets for non-encapsulating TDB received
0 input bytes
0 output bytes
ah:
0 input AH packets
0 output AH packets
0 packets from unsupported protocol families
0 packets shorter than header shows
0 packets dropped due to policy
0 packets for which no TDB was found
0 input packets that failed to be processed
0 packets that failed verification received
0 packets for which no XFORM was set in TDB received
0 packets were dropped due to full output queue
0 packets where counter wrapping was detected
0 possibly replayed packets received
0 packets with bad authenticator length received
0 packets attempted to use an invalid TDB
0 packets got larger than max IP packet size
0 packets that failed crypto processing
0 input bytes
0 output bytes
etherip:
0 packets shorter than header shows
0 packets were dropped due to full output queue
0 packets were dropped because of no interface/bridge information
0 packets dropped due to policy
0 packets dropped for other reasons
0 input ethernet-in-IP packets
0 output ethernet-in-IP packets
0 input bytes
0 output bytes
ipcomp:
0 input IPCOMP packets
0 output IPCOMP packets
0 packets from unsupported protocol families
0 packets shorter than header shows
0 packets dropped due to policy
0 packets for which no TDB was found
0 input packets that failed to be processed
0 packets for which no XFORM was set in TDB received
0 packets were dropped due to full output queue
0 packets where counter wrapping was detected
0 packets attempted to use an invalid TDB
0 packets got larger than max IP packet size
0 packets that failed (de)compression processing
0 packets less than minimum compression length
0 input bytes
0 output bytes
carp:
0 packets received (IPv4)
0 packets received (IPv6)
0 packets discarded for bad interface
0 packets discarded for wrong TTL
0 packets shorter than header
0 discarded for bad checksums
0 discarded packets with a bad version
0 discarded because packet too short
0 discarded for bad authentication
0 discarded for unknown vhid
0 discarded because of a bad address list
0 packets sent (IPv4)
0 packets sent (IPv6)
0 send failed due to mbuf memory error
0 transitions to master
pfsync:
0 packets received (IPv4)
0 packets received (IPv6)
0 packets discarded for bad interface
0 packets discarded for bad ttl
0 packets shorter than header
0 packets discarded for bad version
0 packets discarded for bad HMAC
0 packets discarded for bad action
0 packets discarded for short packet
0 states discarded for bad values
0 stale states
0 failed state lookup/inserts
0 packets sent (IPv4)
0 packets sent (IPv6)
0 send failed due to mbuf memory error
0 send error
divert:
0 total packets received
0 dropped due to no socket
0 dropped due to full socket buffers
0 packets output
0 errors
pflow:
187455 flows sent
9319 packets sent
0 send failed due to mbuf memory error
0 send error
ip6:
20 total packets received
0 with size smaller than minimum
0 with data size < data length
0 with bad options
0 with incorrect version number
0 fragments received
0 fragments dropped (duplicates or out of space)
0 fragments dropped after timeout
0 fragments that exceeded limit
0 packets reassembled ok
0 packets for this host
0 packets forwarded
0 packets not forwardable
0 redirects sent
19 packets sent from this host
0 packets sent with fabricated ip header
0 output packets dropped due to no bufs, etc.
0 output packets discarded due to no route
0 output datagrams fragmented
0 fragments created
0 datagrams that can't be fragmented
0 packets that violated scope rules
0 multicast packets which we don't join
Input packet histogram:
ICMP6: 20
Mbuf statistics:
0 one mbufs
20 one ext mbufs
0 two or more ext mbufs
0 tunneling packets that can't find gif
0 packets discarded due to too many headers
0 failures of source address selection
0 forward cache hit
0 forward cache miss
divert6:
0 total packets received
0 dropped due to no socket
0 dropped due to full socket buffers
0 packets output
0 errors
icmp6:
0 calls to icmp6_error
0 errors not generated because old message was icmp6 or so
0 errors not generated because of rate limitation
Output packet histogram:
multicast listener report: 16
neighbor solicitation: 3
0 messages with bad code fields
0 messages < minimum length
0 bad checksums
0 messages with bad length
Input packet histogram:
neighbor advertisement: 20
Histogram of error messages to be generated:
0 no route
0 administratively prohibited
0 beyond scope
0 address unreachable
0 port unreachable
0 packet too big
0 time exceed transit
0 time exceed reassembly
0 erroneous header field
0 unrecognized next header
0 unrecognized option
0 redirect
0 unknown
0 message responses generated
0 messages with too many ND options
0 messages with bad ND options
0 bad neighbor solicitation messages
0 bad neighbor advertisement messages
0 bad router solicitation messages
0 bad router advertisement messages
0 bad redirect messages
0 path MTU changes
pim6:
0 messages received
0 messages received with too few bytes
0 messages received with bad checksum
0 messages received with bad version
0 registers received
0 bad registers received
0 registers sent
rip6:
0 messages received
0 checksum calculations on inbound
0 messages with bad checksum
0 messages dropped due to no socket
0 multicast messages dropped due to no socket
0 messages dropped due to full socket buffers
0 delivered
0 datagrams output
--
Darren Spruell
[email protected]
