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Available in the December 2021 GA of AIX 7.3
IBM is moving forward with support for the -fmt option to the seastat command as described in a previous update to the RFE.
IBM expects to have an updated status on this RFE within the next couple weeks.
Hi ,
Any updates on the release date of this RFE?
We have begun investigating 2H21 delivery of content that addresses issues described in this RFE.
When possibly we can see the requested feature/s available for the clients?
Yes please break this into 2 separate RFEs if required.
#2 is reasonable and something the development team is comfortable moving forward with further evaluation for delivery.
#1 is somewhat of a separate request from #2 and involves evaluation from a different development team and will have a separate response. Is it agreeable that we break this into 2 separate RFEs?
I think -fmt flag will help in giving a format that could be easily viewed and used by shell scripts. However , this proposal partially helps in analyzing the SEA traffic. Here are couple of points to consider:
1- Is there a way to let NMON and/or TOPAS shows the SEA traffic interactively?
like running topas or nmon with a particular flag/s to monitor the traffic online
2- with seastat -fmt , can we add another flag/option to let the client understand the SEA traffic for a period of time , for example the next 100 seconds ?
$ seastat -fmt 100
then after 100 secs , the result of the command shows something similar to the following , with headers of course :
CE:59:BE:0D:E4:02 None None 2 493 120 30348
AIX development is proposing addition of the -fmt flag to seatstat. Under this proposal, seastat will not provide any new or additional metrics, but rather will format existing metrics so that they are more easily consumable for programatic analysis. Below is an example of the data output under this proposal . Please indicate if this proposal addresses the requirements described in the RFE:
=> seastat -d ent5
================================================================================
Advanced Statistics for SEA Device Name: ent5
================================================================================
MAC: CE:59:B0:51:DB:02
----------------------
VLAN: None
VLAN Priority: None
Transmit Statistics: Receive Statistics:
-------------------- -------------------
Packets: 2 Packets: 493 Bytes: 120 Bytes: 30348
Proposed output with seastat -fmt
CE:59:BE:0D:E4:02 None None 2 493 120 30348
1- Whole goal is to analyze SEA traffic by VLANs , MAC Address , LPAR ,...etc.
Assuming we have a SEA serving/bridging 100 VLANs ( 0ne hundred VLAN).
- How can we recognize what are the top 10 VLANs consumes the SEA?
- what is the least 5 VLANs consumes the SEA?
- what is the VLAN that has the biggest/heaviest traffic?
- What is the MAC address/LPAR that exhaust the SEA traffic ?
-Which VLAN causes the biggest Transmit/Receive packets/bytes?
-Which VLAN causes the smallest Transmit/Receive packets/bytes?
....................etc.
NMON dose not have this for SEA and VLANs
2- I suggested "-fmt option for seastat" as a way to switch/modify the output of seastat ( similar to lsmap and lsmap -fmt) as a way to use this with a while loop to interactively have a look at the SEA traffic..something like this:
while true
do
seastat -fmt
sleep 5
done
is what is being requested -fmt option for seastat?
For lsmap, the -fmt option causes lsmap to drop all the pretty formatting and just print the data fields, separated by the format specifier requested in the -fmt flag. If the same is provided for seastat does that address this requirement?