Saumya, Either you’re using static IP addresses, in which case this is a configuration error and needs to be manually corrected, or you’re using dynamic IP addresses, in which case if the VM receives a GARP reply because of a duplicated IP address, it then uses DHCP to get a new one.
Cheers, Andy On Mon, Mar 7, 2016 at 1:45 AM, Saumya Dikshit (sadikshi) < [email protected]> wrote: > Hi Andrew, > > Is it assumed that IP address will be known and not dynamically > re-assigned and all VM’s are capable of sending out GARP at boot-up. > I agree RARP may not be new, but I think still used. > Whats happens in a case where VM is migrated to DC-network (may be across > geographies and NVO domains) where the IP is already assigned > to another VM/entity > > Thanks > Saumya. > > From: "Andrew G. Malis" <[email protected]> > Date: Monday, March 7, 2016 at 2:12 PM > To: sadikshi <[email protected]> > Cc: "B. Khasnabish" <[email protected]>, Matthew Bocci < > [email protected]>, "[email protected]" <[email protected]>, > Benson Schliesser <[email protected]>, sarikaya <[email protected]>, > Alia Atlas <[email protected]> > Subject: Re: [nvo3] Fwd: New Version Notification for > draft-sarikaya-nvo3-vmm-dmm-pmip-08.txt > > Saumya, > > No, Gratuitous ARP is used to update the other ARP tables when a VM moves. > RARP was used to request your own IP address when you don’t know it, but is > obsolete, and anyway, the VM already knows its IP address (see section 8 in > the draft). > > Cheers, > Andy > > > On Sun, Mar 6, 2016 at 9:31 PM, Saumya Dikshit (sadikshi) < > [email protected]> wrote: > >> Hello Authors of draft-sarikaya-nvo3-vmm-dmm-pmip, >> >> Do we need to take care of cases in which VM speaks with Reverse-ARP and >> not Gratuitous-ARP ? >> >> Thanks >> Saumya. >> >> >> From: "B. Khasnabish" <[email protected]> >> Date: Monday, March 7, 2016 at 7:13 AM >> To: Matthew Bocci <[email protected]>, "[email protected]" < >> [email protected]>, Benson Schliesser <[email protected]> >> Cc: sarikaya <[email protected]>, Andrew Malis <[email protected]>, Alia >> Atlas <[email protected]> >> Subject: [nvo3] Fwd: New Version Notification for >> draft-sarikaya-nvo3-vmm-dmm-pmip-08.txt >> >> >> Dear All, >> >> We have addressed all of the outstanding issues, comments, >> and suggestions in the latest version (ver-08) of this >> draft on Virtual Machine Mobility >> (VMM, https://datatracker.ietf.org/doc/draft-sarikaya-nvo3-vmm-dmm-pmip/ >> ) >> and look forward to your support for WG adoption and subsequent >> publication. >> >> Many thanks in advance. >> >> Best. >> >> Bhumip >> >> >> >> >> ---------- Forwarded message ---------- >> From: <[email protected]> >> Date: Thu, Mar 3, 2016 at 7:28 PM >> Subject: New Version Notification for >> draft-sarikaya-nvo3-vmm-dmm-pmip-08.txt >> To: Bhumip Khasnabish <[email protected]>, Linda Dunbar < >> [email protected]>, Behcet Sarikaya <[email protected]>, Frank Xia >> <[email protected]>, Linda Dunbar <[email protected]> >> >> >> >> A new version of I-D, draft-sarikaya-nvo3-vmm-dmm-pmip-08.txt >> has been successfully submitted by Behcet Sarikaya and posted to the >> IETF repository. >> >> Name: draft-sarikaya-nvo3-vmm-dmm-pmip >> Revision: 08 >> Title: Virtual Machine Mobility Protocol for Overlay Networks >> Document date: 2016-03-03 >> Group: Individual Submission >> Pages: 11 >> URL: >> https://www.ietf.org/internet-drafts/draft-sarikaya-nvo3-vmm-dmm-pmip-08.txt >> Status: >> >> https://datatracker.ietf.org/doc/draft-sarikaya-nvo3-vmm-dmm-pmip/ >> Htmlized: >> https://tools.ietf.org/html/draft-sarikaya-nvo3-vmm-dmm-pmip-08 >> Diff: >> https://www.ietf.org/rfcdiff?url2=draft-sarikaya-nvo3-vmm-dmm-pmip-08 >> >> Abstract: >> This document describes a virtual machine mobility protocol commonly >> used in data centers built with overlay-based network virtualization >> approach. It is based on using a NVA-NVE protocol to update ARP >> table or neighbor cache entries at the NVA and the source NVEs >> tunneling in-flight packets to the destination NVE after the virtual >> machine moves from source NVE to the destination NVE. >> >> >> >> >> Please note that it may take a couple of minutes from the time of >> submission >> until the htmlized version and diff are available at tools.ietf.org. >> >> The IETF Secretariat >> >> >> >
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