Long ago (>10years) I had a similar issue, w/ SMC switches I believe. Putting
the exact output from snmpwalk (e.g. "Ethernet49/1")fixed it for me then.
Regards,
Christian Caruthers
Lenovo Professional Services
Mobile: 757-289-9872
-----Original Message-----
From: Thomas HUMMEL <thomas.hum...@pasteur.fr>
Sent: Wednesday, February 17, 2021 08:56
To: xcat-user@lists.sourceforge.net
Subject: Re: [xcat-user] [External] Switch based discovery with mix of splitted
and non splitted ports
On 2/17/21 2:41 PM, Christian Caruthers wrote:
> 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.
As a matter of fact, it reports (please see attachement) as Ethernetn/p.
Still the / or dotted syntax worked previously (granted not on the same switch
model nor the same xCAT version)
Thanks
--
TH
>
> 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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