[EXTERNAL] Re: The design of multiple VLAN at OpenBMC

William Kennington wak at google.com
Thu Jun 22 11:42:23 AEST 2023


Multiple VLANs should just work for an arbitrary number of VLANs from
phosphor-networkd. The only issue would be protocols like IPMI that do not
generalize the protocol to support more than 1 VLAN. I can't comment on how
redfish models multiple interfaces / VLANs.

On Wed, Jun 21, 2023 at 6:40 PM Kenny Wu (吳建寬) <KennyWu at ami.com> wrote:

> Hi @Ratan Gupta,
>
> Thanks you reply. It is helpful to us.
>
> But I want clear more detail about the number of VLAN. Due RD may need
> provide expect result to QA. RD can limit the number of VLAN by their own
> design ?
> And from your comment, a single VLAN is enough to using at general
> environment.
>
> Thanks,
> KennyWu.
>
> -----Original Message-----
> From: Ratan Gupta <ratankgupta31 at gmail.com>
> Sent: Tuesday, June 20, 2023 2:11 PM
> To: Kenny Wu (吳建寬) <KennyWu at ami.com>
> Cc: openbmc at lists.ozlabs.org; Pravinash Jeyapaul <pravinashj at ami.com>
> Subject: [EXTERNAL] Re: The design of multiple VLAN at OpenBMC
>
>
> **CAUTION: The e-mail below is from an external source. Please exercise
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>
> Hi Kenny,
>
> You can have multiple VLAN on the same interface, I don't see we have a
> restriction on the number of VLANs.
> It is up to the system admin, How many VLANs do they need? In a typical
> scenario, it should not be more than a single VLAN.
>
> Thanks,
> Ratan
>
> On Tue, Jun 20, 2023 at 9:39 AM Kenny Wu (吳建寬) <KennyWu at ami.com> wrote:
> >
> > Hi ,
> >
> >
> >
> > We are develop OpenBMC and meet some design question need to consult. I
> will be appreciate your responses.
> >
> >
> >
> > The VLAN behavior at OpenBMC. It support multiple VLAN. Is there are any
> restricted maximum number at each service IPMI/WEB/Redfish. Or it is
> decided by developer?
> >
> >
> >
> > As I know IPMI is only service one interface, VLAN or non-VLAN. Once
> user enabled VLAN, the IPMI daemon will respond both ?
> >
> >
> >
> > Thanks,
> > KennyWu
> >
> >
> >
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