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CumulonimbusRe: Issue on connection limit
Refer the following article and this might help
Let me know what you find from the per-TMM stats.
2 Replies
romolo82Cirrus
Hi, thanks a lot. I have this output:
rluciani01@(LTM-D-SERVIZI-01-D-01)(cfg-sync In Sync)(Active)(/Common)(tmos)# show /sys tmm-traffic
-------------------------------------------------
Sys::TMM: 0.0
-------------------------------------------------
TMM Traffic ClientSide ServerSide
Bits In 2.4T 2.4T
Bits Out 487.2G 483.8G
Packets In 1.1G 1.1G
Packets Out 70.3M 69.8M
Current Connections 10 10
Maximum Connections 87 87
Evicted Connections 0 0
Slow Connections Killed 0 0
Total Connections 20.1M 18.9M
Total Requests 1.2K -
Errors
Maintenance Mode 0
Virtual Addr Limit 0
Virtual Server Limit 0
Wrong Address 0
No handler 280.9K
No Staged Handler 0
No license 0
Connection Memory 0
Packets Dropped 0
Packets In Errors 0
Packets Out Errors 0
Connections Redirected 0-------------------------------------------------
Sys::TMM: 0.2
-------------------------------------------------
TMM Traffic ClientSide ServerSide
Bits In 665.4G 663.8G
Bits Out 692.5G 690.5G
Packets In 313.5M 312.1M
Packets Out 135.4M 134.9M
Current Connections 9 9
Maximum Connections 90 90
Evicted Connections 0 0
Slow Connections Killed 0 0
Total Connections 27.0M 25.8M
Total Requests 1.2K -
Errors
Maintenance Mode 0
Virtual Addr Limit 0
Virtual Server Limit 0
Wrong Address 0
No handler 281.1K
No Staged Handler 0
No license 0
Connection Memory 0
Packets Dropped 0
Packets In Errors 0
Packets Out Errors 0
Connections Redirected 0[rluciani01@LTM-D-SERVIZI-01-D-01:Active:In Sync] ~ # tmctl tmm_stat -s slot_id,cpu,client_side_traffic.cur_conns,server_side_traffic.cur_conns
slot_id cpu client_side_traffic.cur_conns server_side_traffic.cur_conns
------- --- ----------------------------- -----------------------------
0 0 10 10
0 2 7 7[rluciani01@LTM-D-SERVIZI-01-D-01:Active:In Sync] ~ # tmctl tmm_stat -s slot_id,cpu,client_side_traffic.cur_conns,server_side_traffic.cur_conns
slot_id cpu client_side_traffic.cur_conns server_side_traffic.cur_conns
------- --- ----------------------------- -----------------------------
0 0 9 9
0 2 11 11[rluciani01@LTM-D-SERVIZI-01-D-01:Active:In Sync] ~ # tmctl tmm_stat -s slot_id,cpu,client_side_traffic.cur_conns,server_side_traffic.cur_conns
slot_id cpu client_side_traffic.cur_conns server_side_traffic.cur_conns
------- --- ----------------------------- -----------------------------
0 0 10 10
0 2 9 9[rluciani01@LTM-D-SERVIZI-01-D-01:Active:In Sync] ~ # tmctl tmm_stat -s slot_id,cpu,client_side_traffic.cur_conns,server_side_traffic.cur_conns
slot_id cpu client_side_traffic.cur_conns server_side_traffic.cur_conns
------- --- ----------------------------- -----------------------------
0 0 10 10
0 2 12 12[rluciani01@LTM-D-SERVIZI-01-D-01:Active:In Sync] ~ # tmctl tmm_stat -s slot_id,cpu,client_side_traffic.cur_conns,server_side_traffic.cur_conns
slot_id cpu client_side_traffic.cur_conns server_side_traffic.cur_conns
------- --- ----------------------------- -----------------------------
0 0 9 9
0 2 10 10
These output are rilevated during simulated calls, but client side always same errors....
VishnuGatlaThank you for the output. F5 is not enforcing a connection cap, and the system is healthy. The next step is to check for external, server-side, or network path limits, and to use packet capture to see where the connection is being refused or dropped.
tcpdump -ni 0.0:nnnp port 61616 -s0 -w /var/tmp/port61616_test.pcap
