What do you see if you run (assumes you're using SNMPv1 & "public" community
string):
snmpwalk -v 1 -c public {SWITCH_NAME} .1.3.6.1.2.1.31.1.1.1.1
This should show how the switch reports the ports.
Regards,
Christian Caruthers
Lenovo Professional Services
Mobile: 757-289-9872
-----Original Message-----
From: Thomas HUMMEL <thomas.hum...@pasteur.fr>
Sent: Wednesday, February 17, 2021 08:35
To: xcat-user@lists.sourceforge.net
Subject: [External] [xcat-user] Switch based discovery with mix of splitted and
non splitted ports
Hello,
Currently, I'm using xCAT 2.16.1 on CentOS 8.2 to provision CentOS 8.3
stateless nodes using switch based discovery.
I've been doing this for many years with success.
I always did that in either one of the 2 following cases :
a) no switch port were using splitters
b) all switch ports were using splitter
For b) I did successfully use either the n/x or the n.x syntax
Today, I encountered what may seem an xCAT issue (not sure though, it could be
a switch configuration issue) for it is the first time I've got a switch where
I mix direct and split port attachement.
The actual switch is an Arista 7050TX-72Q: 48x 1/10GbE (RJ 45) and 6x
40GbE, where all nodes are rj45 attached except one which is connected using
one of the 4 link of a 40G port using a splitter
What happens is the following :
a) nodeA on port 1 was previously provisionned using switch-based discovery
without any problem
b) I set up the node definition for nodeS which is connected to port
49.1 (I used this dot-based syntax)
-> nodeS is discovered with the name of nodeA and nodeA is assigned
nodeS mac adress
so things get mixed up.
Can you help me figure out
- what syntax is the canonical one for split ports
- if this is an xCAT problem or a switch problem
?
Thanks for your help
--
Thomas HUMMEL
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