Neale, /32s on interfaces that talk to other things are actually getting to be the standard in Cloud. GCP uses /32s in their VMs exclusively. Calico uses /32s on on Pod interfaces. Its a common use case.
Ed On Mon, Aug 9, 2021 at 3:03 AM Neale Ranns <ne...@graphiant.com> wrote: > > > Hi Artem, > > > > I think that is telling you not to use /32 address on interface for which > you expect there to be connected peers. > > From an IP networking perspective, if you want two peers to be connected > on an interface, they need to be within the same subnet, so use a /31. > > > > /neale > > > > > > *From: *vpp-dev@lists.fd.io <vpp-dev@lists.fd.io> on behalf of Artem > Glazychev via lists.fd.io <artem.glazychev=xored....@lists.fd.io> > *Date: *Wednesday, 4 August 2021 at 08:37 > *To: *vpp-dev@lists.fd.io <vpp-dev@lists.fd.io> > *Subject: *[vpp-dev] memif: failed: no source address for egress interface > > Hello, > Found a problem with some types of interfaces. > > For example, memif. When I'm creating memif interfaces and run ping I see: > > DBGvpp# ping 10.10.2.1 > Failed: no source address for egress interface > ... > > But it is worth mentioning that I am setting /32 mask for IP address > > Managed to fix IP mode with these patches: > https://gerrit.fd.io/r/c/vpp/+/32801, https://gerrit.fd.io/r/c/vpp/+/33303 > > But Ethernet mode still doesn't work. > > ============================== > > There was already a similar topic: > https://lists.fd.io/g/vpp-dev/topic/84038840 > > Created a jira issue with details: https://jira.fd.io/browse/VPP-1992 > > Does anyone have any thoughts on this? Thank you. > > > > > > > > > > > >
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