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Date:      Thu, 10 Dec 2009 23:07:26 -0500
From:      Tom Pusateri <pusateri@bangj.com>
To:        "Li, Qing" <qing.li@bluecoat.com>
Cc:        freebsd-stable@freebsd.org
Subject:   Re: IPv6 - bad neighbor solicitation messages
Message-ID:  <F0C1EF08-2C9F-4CFF-B775-41A859AE0CC4@bangj.com>
In-Reply-To: <B583FBF374231F4A89607B4D08578A430467374E@bcs-mail03.internal.cacheflow.com>
References:  <3E18B7A0-9391-47A2-B52D-24E44DDF1A33@bangj.com> <B583FBF374231F4A89607B4D08578A430467374E@bcs-mail03.internal.cacheflow.com>

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--Apple-Mail-7-876888700
Content-Transfer-Encoding: quoted-printable
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Its been happening for a while.

I've attached the tcpdump textual output, the tcpdump raw saved file, =
and before and after netstat -s output.

Thanks,
Tom

On Dec 10, 2009, at 10:22 PM, Li, Qing wrote:

> I haven't made any significant changes in the IPv6 code
> for 3 months now. Could you please get a packet capture and=20
> email it to me?
>=20
> Thanks,
>=20
> -- Qing

--Apple-Mail-7-876888700
Content-Disposition: attachment;
	filename=tcpdump.txt
Content-Type: text/plain;
	name="tcpdump.txt"
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22:59:51.008261 IP6 (hlim 63, next-header ICMPv6 (58) payload length: =
16) 2610:28:1800:4001:225:ff:fef1:7305 > =
2610:28:1800:4001:2a0:c9ff:fe45:326c: [icmp6 sum ok] ICMP6, echo =
request, length 16, seq 0
22:59:51.008291 IP6 (hlim 64, next-header ICMPv6 (58) payload length: =
16) 2610:28:1800:4001:2a0:c9ff:fe45:326c > =
2610:28:1800:4001:225:ff:fef1:7305: [icmp6 sum ok] ICMP6, echo reply, =
length 16, seq 0
22:59:52.562108 IP6 (hlim 255, next-header ICMPv6 (58) payload length: =
32) 2610:28:1800:4001:225:ff:fef1:7305 > ff02::1:ff45:326c: [icmp6 sum =
ok] ICMP6, neighbor solicitation, length 32, who has =
2610:28:1800:4001:2a0:c9ff:fe45:326c
	  source link-address option (1), length 8 (1): =
00:25:00:f1:73:05
22:59:52.562134 IP6 (hlim 255, next-header ICMPv6 (58) payload length: =
32) 2610:28:1800:4001:2a0:c9ff:fe45:326c > =
2610:28:1800:4001:225:ff:fef1:7305: [icmp6 sum ok] ICMP6, neighbor =
advertisement, length 32, tgt is 2610:28:1800:4001:2a0:c9ff:fe45:326c, =
Flags [solicited, override]
	  destination link-address option (2), length 8 (1): =
00:a0:c9:45:32:6c
22:59:52.562382 IP6 (hlim 255, next-header ICMPv6 (58) payload length: =
120) fe80::20e:cff:fe74:9778 > 2610:28:1800:4001:2a0:c9ff:fe45:326c: =
[icmp6 sum ok] ICMP6, redirect, length 120, =
2610:28:1800:4001:225:ff:fef1:7305 to 2610:28:1800:4001:225:ff:fef1:7305
	  redirected header option (4), length 80 (10):=20
	    0x0000:  040a 0000 0000 0000 6000 0000 0020 3afe
	    0x0010:  2610 0028 1800 4001 02a0 c9ff fe45 326c
	    0x0020:  2610 0028 1800 4001 0225 00ff fef1 7305
	    0x0030:  8800 2ee6 6000 0000 2610 0028 1800 4001
	    0x0040:  02a0 c9ff fe45 326c 0201 00a0 c945 326c
22:59:53.562387 IP6 (hlim 255, next-header ICMPv6 (58) payload length: =
32) 2610:28:1800:4001:225:ff:fef1:7305 > ff02::1:ff45:326c: [icmp6 sum =
ok] ICMP6, neighbor solicitation, length 32, who has =
2610:28:1800:4001:2a0:c9ff:fe45:326c
	  source link-address option (1), length 8 (1): =
00:25:00:f1:73:05
22:59:53.562405 IP6 (hlim 255, next-header ICMPv6 (58) payload length: =
32) 2610:28:1800:4001:2a0:c9ff:fe45:326c > =
2610:28:1800:4001:225:ff:fef1:7305: [icmp6 sum ok] ICMP6, neighbor =
advertisement, length 32, tgt is 2610:28:1800:4001:2a0:c9ff:fe45:326c, =
Flags [solicited, override]
	  destination link-address option (2), length 8 (1): =
00:a0:c9:45:32:6c
22:59:53.562556 IP6 (hlim 255, next-header ICMPv6 (58) payload length: =
120) fe80::20e:cff:fe74:9778 > 2610:28:1800:4001:2a0:c9ff:fe45:326c: =
[icmp6 sum ok] ICMP6, redirect, length 120, =
2610:28:1800:4001:225:ff:fef1:7305 to 2610:28:1800:4001:225:ff:fef1:7305
	  redirected header option (4), length 80 (10):=20
	    0x0000:  040a 0000 0000 0000 6000 0000 0020 3afe
	    0x0010:  2610 0028 1800 4001 02a0 c9ff fe45 326c
	    0x0020:  2610 0028 1800 4001 0225 00ff fef1 7305
	    0x0030:  8800 2ee6 6000 0000 2610 0028 1800 4001
	    0x0040:  02a0 c9ff fe45 326c 0201 00a0 c945 326c
22:59:54.562607 IP6 (hlim 255, next-header ICMPv6 (58) payload length: =
32) 2610:28:1800:4001:225:ff:fef1:7305 > ff02::1:ff45:326c: [icmp6 sum =
ok] ICMP6, neighbor solicitation, length 32, who has =
2610:28:1800:4001:2a0:c9ff:fe45:326c
	  source link-address option (1), length 8 (1): =
00:25:00:f1:73:05
22:59:54.562630 IP6 (hlim 255, next-header ICMPv6 (58) payload length: =
32) 2610:28:1800:4001:2a0:c9ff:fe45:326c > =
2610:28:1800:4001:225:ff:fef1:7305: [icmp6 sum ok] ICMP6, neighbor =
advertisement, length 32, tgt is 2610:28:1800:4001:2a0:c9ff:fe45:326c, =
Flags [solicited, override]
	  destination link-address option (2), length 8 (1): =
00:a0:c9:45:32:6c
22:59:54.562770 IP6 (hlim 255, next-header ICMPv6 (58) payload length: =
120) fe80::20e:cff:fe74:9778 > 2610:28:1800:4001:2a0:c9ff:fe45:326c: =
[icmp6 sum ok] ICMP6, redirect, length 120, =
2610:28:1800:4001:225:ff:fef1:7305 to 2610:28:1800:4001:225:ff:fef1:7305
	  redirected header option (4), length 80 (10):=20
	    0x0000:  040a 0000 0000 0000 6000 0000 0020 3afe
	    0x0010:  2610 0028 1800 4001 02a0 c9ff fe45 326c
	    0x0020:  2610 0028 1800 4001 0225 00ff fef1 7305
	    0x0030:  8800 2ee6 6000 0000 2610 0028 1800 4001
	    0x0040:  02a0 c9ff fe45 326c 0201 00a0 c945 326c
22:59:56.008687 IP6 (hlim 63, next-header ICMPv6 (58) payload length: =
16) 2610:28:1800:4001:225:ff:fef1:7305 > =
2610:28:1800:4001:2a0:c9ff:fe45:326c: [icmp6 sum ok] ICMP6, echo =
request, length 16, seq 5
22:59:56.008704 IP6 (hlim 64, next-header ICMPv6 (58) payload length: =
16) 2610:28:1800:4001:2a0:c9ff:fe45:326c > =
2610:28:1800:4001:225:ff:fef1:7305: [icmp6 sum ok] ICMP6, echo reply, =
length 16, seq 5
22:59:56.008825 IP6 (hlim 255, next-header ICMPv6 (58) payload length: =
104) fe80::20e:cff:fe74:9778 > 2610:28:1800:4001:2a0:c9ff:fe45:326c: =
[icmp6 sum ok] ICMP6, redirect, length 104, =
2610:28:1800:4001:225:ff:fef1:7305 to 2610:28:1800:4001:225:ff:fef1:7305
	  redirected header option (4), length 64 (8):=20
	    0x0000:  0408 0000 0000 0000 6000 0000 0010 3a3f
	    0x0010:  2610 0028 1800 4001 02a0 c9ff fe45 326c
	    0x0020:  2610 0028 1800 4001 0225 00ff fef1 7305
	    0x0030:  8100 d5d9 0e94 0005 4b21 c3bb 000e 1c77
22:59:56.008837 IP6 (hlim 255, next-header ICMPv6 (58) payload length: =
32) fe80::2a0:c9ff:fe45:326c > fe80::20e:cff:fe74:9778: [icmp6 sum ok] =
ICMP6, neighbor solicitation, length 32, who has fe80::20e:cff:fe74:9778
	  source link-address option (1), length 8 (1): =
00:a0:c9:45:32:6c
22:59:56.008947 IP6 (hlim 255, next-header ICMPv6 (58) payload length: =
24) fe80::20e:cff:fe74:9778 > fe80::2a0:c9ff:fe45:326c: [icmp6 sum ok] =
ICMP6, neighbor advertisement, length 24, tgt is =
fe80::20e:cff:fe74:9778, Flags [router, solicited]
22:59:56.009587 IP6 (hlim 255, next-header ICMPv6 (58) payload length: =
32) 2610:28:1800:4001::1 > 2610:28:1800:4001:2a0:c9ff:fe45:326c: [icmp6 =
sum ok] ICMP6, neighbor solicitation, length 32, who has =
2610:28:1800:4001:2a0:c9ff:fe45:326c
	  source link-address option (1), length 8 (1): =
00:0e:0c:74:97:78
22:59:57.009900 IP6 (hlim 255, next-header ICMPv6 (58) payload length: =
32) 2610:28:1800:4001::1 > 2610:28:1800:4001:2a0:c9ff:fe45:326c: [icmp6 =
sum ok] ICMP6, neighbor solicitation, length 32, who has =
2610:28:1800:4001:2a0:c9ff:fe45:326c
	  source link-address option (1), length 8 (1): =
00:0e:0c:74:97:78
22:59:57.563329 IP6 (hlim 255, next-header ICMPv6 (58) payload length: =
32) 2610:28:1800:4001:225:ff:fef1:7305 > ff02::1:ff45:326c: [icmp6 sum =
ok] ICMP6, neighbor solicitation, length 32, who has =
2610:28:1800:4001:2a0:c9ff:fe45:326c
	  source link-address option (1), length 8 (1): =
00:25:00:f1:73:05
22:59:57.563348 IP6 (hlim 255, next-header ICMPv6 (58) payload length: =
32) 2610:28:1800:4001:2a0:c9ff:fe45:326c > =
2610:28:1800:4001:225:ff:fef1:7305: [icmp6 sum ok] ICMP6, neighbor =
advertisement, length 32, tgt is 2610:28:1800:4001:2a0:c9ff:fe45:326c, =
Flags [solicited, override]
	  destination link-address option (2), length 8 (1): =
00:a0:c9:45:32:6c
22:59:58.010222 IP6 (hlim 255, next-header ICMPv6 (58) payload length: =
32) 2610:28:1800:4001::1 > 2610:28:1800:4001:2a0:c9ff:fe45:326c: [icmp6 =
sum ok] ICMP6, neighbor solicitation, length 32, who has =
2610:28:1800:4001:2a0:c9ff:fe45:326c
	  source link-address option (1), length 8 (1): =
00:0e:0c:74:97:78
22:59:58.563549 IP6 (hlim 255, next-header ICMPv6 (58) payload length: =
32) 2610:28:1800:4001:225:ff:fef1:7305 > ff02::1:ff45:326c: [icmp6 sum =
ok] ICMP6, neighbor solicitation, length 32, who has =
2610:28:1800:4001:2a0:c9ff:fe45:326c
	  source link-address option (1), length 8 (1): =
00:25:00:f1:73:05
22:59:58.563565 IP6 (hlim 255, next-header ICMPv6 (58) payload length: =
32) 2610:28:1800:4001:2a0:c9ff:fe45:326c > =
2610:28:1800:4001:225:ff:fef1:7305: [icmp6 sum ok] ICMP6, neighbor =
advertisement, length 32, tgt is 2610:28:1800:4001:2a0:c9ff:fe45:326c, =
Flags [solicited, override]
	  destination link-address option (2), length 8 (1): =
00:a0:c9:45:32:6c
22:59:58.563679 IP6 (hlim 255, next-header ICMPv6 (58) payload length: =
120) fe80::20e:cff:fe74:9778 > 2610:28:1800:4001:2a0:c9ff:fe45:326c: =
[icmp6 sum ok] ICMP6, redirect, length 120, =
2610:28:1800:4001:225:ff:fef1:7305 to 2610:28:1800:4001:225:ff:fef1:7305
	  redirected header option (4), length 80 (10):=20
	    0x0000:  040a 0000 0000 0000 6000 0000 0020 3afe
	    0x0010:  2610 0028 1800 4001 02a0 c9ff fe45 326c
	    0x0020:  2610 0028 1800 4001 0225 00ff fef1 7305
	    0x0030:  8800 2ee6 6000 0000 2610 0028 1800 4001
	    0x0040:  02a0 c9ff fe45 326c 0201 00a0 c945 326c
22:59:59.563828 IP6 (hlim 255, next-header ICMPv6 (58) payload length: =
32) 2610:28:1800:4001:225:ff:fef1:7305 > ff02::1:ff45:326c: [icmp6 sum =
ok] ICMP6, neighbor solicitation, length 32, who has =
2610:28:1800:4001:2a0:c9ff:fe45:326c
	  source link-address option (1), length 8 (1): =
00:25:00:f1:73:05
22:59:59.563846 IP6 (hlim 255, next-header ICMPv6 (58) payload length: =
32) 2610:28:1800:4001:2a0:c9ff:fe45:326c > =
2610:28:1800:4001:225:ff:fef1:7305: [icmp6 sum ok] ICMP6, neighbor =
advertisement, length 32, tgt is 2610:28:1800:4001:2a0:c9ff:fe45:326c, =
Flags [solicited, override]
	  destination link-address option (2), length 8 (1): =
00:a0:c9:45:32:6c
22:59:59.564017 IP6 (hlim 255, next-header ICMPv6 (58) payload length: =
32) fe80::20e:cff:fe74:9778 > ff02::1:ff45:326c: [icmp6 sum ok] ICMP6, =
neighbor solicitation, length 32, who has =
2610:28:1800:4001:2a0:c9ff:fe45:326c
	  source link-address option (1), length 8 (1): =
00:0e:0c:74:97:78
22:59:59.564030 IP6 (hlim 255, next-header ICMPv6 (58) payload length: =
32) fe80::2a0:c9ff:fe45:326c > fe80::20e:cff:fe74:9778: [icmp6 sum ok] =
ICMP6, neighbor advertisement, length 32, tgt is =
2610:28:1800:4001:2a0:c9ff:fe45:326c, Flags [solicited, override]
	  destination link-address option (2), length 8 (1): =
00:a0:c9:45:32:6c
22:59:59.564243 IP6 (hlim 255, next-header ICMPv6 (58) payload length: =
120) fe80::20e:cff:fe74:9778 > 2610:28:1800:4001:2a0:c9ff:fe45:326c: =
[icmp6 sum ok] ICMP6, redirect, length 120, =
2610:28:1800:4001:225:ff:fef1:7305 to 2610:28:1800:4001:225:ff:fef1:7305
	  redirected header option (4), length 80 (10):=20
	    0x0000:  040a 0000 0000 0000 6000 0000 0020 3afe
	    0x0010:  2610 0028 1800 4001 02a0 c9ff fe45 326c
	    0x0020:  2610 0028 1800 4001 0225 00ff fef1 7305
	    0x0030:  8800 2ee6 6000 0000 2610 0028 1800 4001
	    0x0040:  02a0 c9ff fe45 326c 0201 00a0 c945 326c

--Apple-Mail-7-876888700
Content-Transfer-Encoding: 7bit
Content-Type: text/plain;
	charset=us-ascii



--Apple-Mail-7-876888700
Content-Disposition: attachment;
	filename=netstat1
Content-Type: application/octet-stream;
	name="netstat1"
Content-Transfer-Encoding: 7bit

tcp:
	261 packets sent
		238 data packets (49512 bytes)
		6 data packets (432 bytes) retransmitted
		1 data packet unnecessarily retransmitted
		0 resends initiated by MTU discovery
		13 ack-only packets (5 delayed)
		0 URG only packets
		0 window probe packets
		0 window update packets
		4 control packets
	370 packets received
		229 acks (for 49517 bytes)
		12 duplicate acks
		0 acks for unsent data
		130 packets (10535 bytes) received in-sequence
		0 completely duplicate packets (0 bytes)
		0 old duplicate packets
		0 packets with some dup. data (0 bytes duped)
		0 out-of-order packets (0 bytes)
		0 packets (0 bytes) of data after window
		0 window probes
		1 window update packet
		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 due to memory problems
	1 connection request
	2 connection accepts
	0 bad connection attempts
	0 listen queue overflows
	0 ignored RSTs in the windows
	3 connections established (including accepts)
	7 connections closed (including 0 drops)
		3 connections updated cached RTT on close
		3 connections updated cached RTT variance on close
		2 connections updated cached ssthresh on close
	0 embryonic connections dropped
	229 segments updated rtt (of 155 attempts)
	5 retransmit timeouts
		0 connections dropped by rexmit timeout
	0 persist timeouts
		0 connections dropped by persist timeout
	0 Connections (fin_wait_2) dropped because of timeout
	0 keepalive timeouts
		0 keepalive probes sent
		0 connections dropped by keepalive
	0 correct ACK header predictions
	123 correct data packet header predictions
	2 syncache entries added
		0 retransmitted
		1 dupsyn
		0 dropped
		2 completed
		0 bucket overflow
		0 cache overflow
		0 reset
		0 stale
		0 aborted
		0 badack
		0 unreach
		0 zone failures
	2 cookies sent
	0 cookies received
	1 SACK recovery episode
	1 segment rexmit in SACK recovery episodes
	48 byte rexmits in SACK recovery episodes
	8 SACK options (SACK blocks) received
	0 SACK options (SACK blocks) sent
	0 SACK scoreboard overflow
	0 packets with ECN CE bit set
	0 packets with ECN ECT(0) bit set
	0 packets with ECN ECT(1) bit set
	0 successful ECN handshakes
	0 times ECN reduced the congestion window
udp:
	637 datagrams received
	0 with incomplete header
	0 with bad data length field
	0 with bad checksum
	5 with no checksum
	10 dropped due to no socket
	221 broadcast/multicast datagrams undelivered
	0 dropped due to full socket buffers
	0 not for hashed pcb
	406 delivered
	178 datagrams output
	0 times multicast source filter matched
sctp:
	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 intput 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:
		5 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
ip:
	935 total packets received
	0 bad header checksums
	0 with size smaller than minimum
	0 with data size < data length
	0 with ip length > max ip packet size
	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 (dup or out of space)
	0 fragments dropped after timeout
	0 packets reassembled ok
	919 packets for this host
	12 packets for unknown/unsupported protocol
	0 packets forwarded (0 packets fast forwarded)
	4 packets not forwardable
	0 packets received for unknown multicast group
	0 redirects sent
	413 packets sent from this host
	28 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 tunneling packets that can't find gif
	0 datagrams with bad address in header
icmp:
	10 calls to icmp_error
	0 errors not generated in response to an icmp message
	Output histogram:
		echo reply: 8
		destination unreachable: 10
	0 messages with bad code fields
	0 messages less than the minimum length
	0 messages with bad checksum
	0 messages with bad length
	0 multicast echo requests ignored
	0 multicast timestamp requests ignored
	Input histogram:
		echo reply: 2
		echo: 8
	8 message responses generated
	0 invalid return addresses
	0 no return routes
	ICMP address mask responses are disabled
igmp:
	12 messages received
	0 messages received with too few bytes
	0 messages received with wrong TTL
	0 messages received with bad checksum
	0 V1/V2 membership queries received
	0 V3 membership queries received
	0 membership queries received with invalid field(s)
	0 general queries received
	0 group queries received
	0 group-source queries received
	0 group-source queries dropped
	12 membership reports received
	0 membership reports received with invalid field(s)
	12 membership reports received for groups to which we belong
	0 V3 reports received without Router Alert
	2 membership reports sent
ip6:
	392 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 (dup or out of space)
	0 fragments dropped after timeout
	0 fragments that exceeded limit
	0 packets reassembled ok
	108 packets for this host
	0 packets forwarded
	0 packets not forwardable
	0 redirects sent
	156 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
	6 multicast packets which we don't join
	Input histogram:
		UDP: 98
		ICMP6: 294
	Mbuf statistics:
		35 one mbuf
		two or more mbuf:
			lo0= 24
		333 one ext mbuf
		0 two or more ext mbuf
	0 packets whose headers are not continuous
	0 tunneling packets that can't find gif
	0 packets discarded because of too many headers
	0 failures of source address selection
	Source addresses selection rule applied:
		70 first candidate
		5 same address
		62 appropriate scope
icmp6:
	0 calls to icmp6_error
	0 errors not generated in response to an icmp6 message
	0 errors not generated because of rate limitation
	Output histogram:
		echo: 4
		echo reply: 26
		router solicitation: 3
		neighbor solicitation: 8
		neighbor advertisement: 55
		MLDv2 listener report: 12
	0 messages with bad code fields
	0 messages < minimum length
	0 bad checksums
	0 messages with bad length
	Input histogram:
		echo: 26
		echo reply: 4
		router advertisement: 110
		neighbor solicitation: 100
		neighbor advertisement: 5
		redirect: 43
	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
	26 message responses generated
	0 messages with too many ND options
	0 messages with bad ND options
	45 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
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

--Apple-Mail-7-876888700
Content-Transfer-Encoding: 7bit
Content-Type: text/plain;
	charset=us-ascii



--Apple-Mail-7-876888700
Content-Disposition: attachment;
	filename=netstat2
Content-Type: application/octet-stream;
	name="netstat2"
Content-Transfer-Encoding: 7bit

tcp:
	261 packets sent
		238 data packets (49512 bytes)
		6 data packets (432 bytes) retransmitted
		1 data packet unnecessarily retransmitted
		0 resends initiated by MTU discovery
		13 ack-only packets (5 delayed)
		0 URG only packets
		0 window probe packets
		0 window update packets
		4 control packets
	370 packets received
		229 acks (for 49517 bytes)
		12 duplicate acks
		0 acks for unsent data
		130 packets (10535 bytes) received in-sequence
		0 completely duplicate packets (0 bytes)
		0 old duplicate packets
		0 packets with some dup. data (0 bytes duped)
		0 out-of-order packets (0 bytes)
		0 packets (0 bytes) of data after window
		0 window probes
		1 window update packet
		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 due to memory problems
	1 connection request
	2 connection accepts
	0 bad connection attempts
	0 listen queue overflows
	0 ignored RSTs in the windows
	3 connections established (including accepts)
	7 connections closed (including 0 drops)
		3 connections updated cached RTT on close
		3 connections updated cached RTT variance on close
		2 connections updated cached ssthresh on close
	0 embryonic connections dropped
	229 segments updated rtt (of 155 attempts)
	5 retransmit timeouts
		0 connections dropped by rexmit timeout
	0 persist timeouts
		0 connections dropped by persist timeout
	0 Connections (fin_wait_2) dropped because of timeout
	0 keepalive timeouts
		0 keepalive probes sent
		0 connections dropped by keepalive
	0 correct ACK header predictions
	123 correct data packet header predictions
	2 syncache entries added
		0 retransmitted
		1 dupsyn
		0 dropped
		2 completed
		0 bucket overflow
		0 cache overflow
		0 reset
		0 stale
		0 aborted
		0 badack
		0 unreach
		0 zone failures
	2 cookies sent
	0 cookies received
	1 SACK recovery episode
	1 segment rexmit in SACK recovery episodes
	48 byte rexmits in SACK recovery episodes
	8 SACK options (SACK blocks) received
	0 SACK options (SACK blocks) sent
	0 SACK scoreboard overflow
	0 packets with ECN CE bit set
	0 packets with ECN ECT(0) bit set
	0 packets with ECN ECT(1) bit set
	0 successful ECN handshakes
	0 times ECN reduced the congestion window
udp:
	647 datagrams received
	0 with incomplete header
	0 with bad data length field
	0 with bad checksum
	5 with no checksum
	10 dropped due to no socket
	231 broadcast/multicast datagrams undelivered
	0 dropped due to full socket buffers
	0 not for hashed pcb
	406 delivered
	178 datagrams output
	0 times multicast source filter matched
sctp:
	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 intput 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:
		5 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
ip:
	945 total packets received
	0 bad header checksums
	0 with size smaller than minimum
	0 with data size < data length
	0 with ip length > max ip packet size
	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 (dup or out of space)
	0 fragments dropped after timeout
	0 packets reassembled ok
	929 packets for this host
	12 packets for unknown/unsupported protocol
	0 packets forwarded (0 packets fast forwarded)
	4 packets not forwardable
	0 packets received for unknown multicast group
	0 redirects sent
	413 packets sent from this host
	28 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 tunneling packets that can't find gif
	0 datagrams with bad address in header
icmp:
	10 calls to icmp_error
	0 errors not generated in response to an icmp message
	Output histogram:
		echo reply: 8
		destination unreachable: 10
	0 messages with bad code fields
	0 messages less than the minimum length
	0 messages with bad checksum
	0 messages with bad length
	0 multicast echo requests ignored
	0 multicast timestamp requests ignored
	Input histogram:
		echo reply: 2
		echo: 8
	8 message responses generated
	0 invalid return addresses
	0 no return routes
	ICMP address mask responses are disabled
igmp:
	12 messages received
	0 messages received with too few bytes
	0 messages received with wrong TTL
	0 messages received with bad checksum
	0 V1/V2 membership queries received
	0 V3 membership queries received
	0 membership queries received with invalid field(s)
	0 general queries received
	0 group queries received
	0 group-source queries received
	0 group-source queries dropped
	12 membership reports received
	0 membership reports received with invalid field(s)
	12 membership reports received for groups to which we belong
	0 V3 reports received without Router Alert
	2 membership reports sent
ip6:
	412 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 (dup or out of space)
	0 fragments dropped after timeout
	0 fragments that exceeded limit
	0 packets reassembled ok
	108 packets for this host
	0 packets forwarded
	0 packets not forwardable
	0 redirects sent
	167 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
	6 multicast packets which we don't join
	Input histogram:
		UDP: 98
		ICMP6: 314
	Mbuf statistics:
		35 one mbuf
		two or more mbuf:
			lo0= 24
		353 one ext mbuf
		0 two or more ext mbuf
	0 packets whose headers are not continuous
	0 tunneling packets that can't find gif
	0 packets discarded because of too many headers
	0 failures of source address selection
	Source addresses selection rule applied:
		79 first candidate
		5 same address
		71 appropriate scope
icmp6:
	0 calls to icmp6_error
	0 errors not generated in response to an icmp6 message
	0 errors not generated because of rate limitation
	Output histogram:
		echo: 4
		echo reply: 28
		router solicitation: 3
		neighbor solicitation: 9
		neighbor advertisement: 63
		MLDv2 listener report: 12
	0 messages with bad code fields
	0 messages < minimum length
	0 bad checksums
	0 messages with bad length
	Input histogram:
		echo: 28
		echo reply: 4
		router advertisement: 110
		neighbor solicitation: 111
		neighbor advertisement: 6
		redirect: 49
	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
	28 message responses generated
	0 messages with too many ND options
	0 messages with bad ND options
	48 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
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

--Apple-Mail-7-876888700
Content-Transfer-Encoding: 7bit
Content-Type: text/plain;
	charset=us-ascii



--Apple-Mail-7-876888700
Content-Disposition: attachment;
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--Apple-Mail-7-876888700--



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