Within the company B1 to B3 is around 4300 Kbytes/s, no problems there.
Here is data from B1 (slow conn speed) system:
Code:
$ netstat -s
ip:
21879416 total packets received
0 bad header checksums
0 with bad IP version number
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 unknown protocol
0 with link layer broadcast addr but unicast IP addr
0 fragments received
0 fragments dropped (dup or out of space)
0 fragments dropped after timeout
0 packets reassembled
0 packets forwarded
4730 packets not forwardable
0 no routes
0 redirects sent
0 system errors during input
21874686 packets delivered
22058749 total packets sent
0 system errors during output
0 packets fragmented
0 packets not fragmentable
0 fragments created
0 PCBs failed connect due to bad source address
icmp:
0 calls to icmp_error
0 errors not generated because old message was icmp
Output histogram:
echo reply: 588
echo: 28
0 messages with bad code fields
0 messages < minimum length
0 bad checksums
0 messages with bad length
0 bad netmasks received
Input histogram:
echo reply: 28
echo: 588
588 message responses generated
616 messages received
616 messages sent
0 messages not sent due to bad source address
0 system errors during output
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
0 total packets sent
0 output errors
tcp:
22056572 packets sent
22056536 packets used fast path
20399099 data packets (1672139922 bytes)
641 data packets (546447 bytes) retransmitted
56738 ack-only packets (28961 delayed)
0 URG only packets
16 window probe packets
1598492 window update packets
1586 control packets
69 resets
21712074 packets received
2851244 acks (for 1672210416 bytes)
22777 duplicate acks
0 acks for unsent data
18940013 packets (1470375583 bytes) received in-sequence
0 completely duplicate packets (0 bytes)
20574 packets with some dup. data (26697 bytes duped)
42 out-of-order packets (14850 bytes)
0 packets (0 bytes) of data after window
0 window probes
7141 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 system errors encountered during processing
765 connection requests
161 connection accepts
924 connections established (including accepts)
1398 connections closed (including 8 drops)
12 embryonic connections dropped
0 failed connect and accept requests
7 resets received while established
1784835 segments updated rtt (of 1785338 attempts)
296 retransmit timeouts
1 connection dropped by rexmit timeout
29 persist timeouts
0 alloc failures caused reschedule
191 keepalive timeouts
191 keepalive probes sent
0 connections dropped by keepalive
18829133 segments predicted
2604161 acks predicted
udp:
0 incomplete headers
0 bad data length fields
0 bad checksums
10196 bad ports (10196 were broadcast/multicast)
1037 input packets delivered
0 system errors during input
1304 packets sent
0 streams allocation failures
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