Re: [v6ops] new draft: draft-vyncke-v6ops-ipv6-only-thin-clients
Alexandru Petrescu <alexandru.petrescu@gmail.com> Mon, 29 June 2015 08:33 UTC
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Date: Mon, 29 Jun 2015 10:33:53 +0200
From: Alexandru Petrescu <alexandru.petrescu@gmail.com>
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Subject: Re: [v6ops] new draft: draft-vyncke-v6ops-ipv6-only-thin-clients
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Le 29/06/2015 04:32, Mark ZZZ Smith a écrit : > > ------------------------------------------------------------------------ > *From:* Brian E Carpenter <brian.e.carpenter@gmail.com> > *To:* v6ops list <v6ops@ietf.org> > *Cc:* draft-vyncke-v6ops-ipv6-only-thin-clients@.ietf.org > *Sent:* Sunday, 28 June 2015, 9:54 > *Subject:* Re: [v6ops] new draft: draft-vyncke-v6ops-ipv6-only-thin-clients > > > 1. Wake-on-Lan > ... > > for a specific host. This is called the magic packet: with the > > Ethernet payload having somewhere 6 bytes containing 0xFF followed by > > 16 times the network interface datalink-layer address. > > How is this going to work with surveillance-averse clients that change > their MAC address from time to time? I think wake-on-lan is going to > need a complete rethink (including IPv6, of course) because of this. > > / As I haven't worked on a network that uses WoL, I was thinking that it > must already be pretty onerous to be maintaining a list of devices and > their MAC addresses for WoL purposes. > > / There seem to be a number of other WoL methods; here are the list of > WoL packet types/events that can be set using the Linux 'ethtool' > utility for a NIC: > > -- > wol p|u|m|b|a|g|s|d... > Sets Wake-on-LAN options. Not all devices support > this. The > argument to this option is a string of characters > specifying > which options to enable. > > p Wake on PHY activity > u Wake on unicast messages > m Wake on multicast messages > b Wake on broadcast messages > a Wake on ARP > g Wake on MagicPacket™ > s Enable SecureOn™ password for MagicPacket™ > d Disable (wake on nothing). This option > clears all previous options. That begs for an option 'n' Wake on ND. Alex > > sopass xx:yy:zz:aa:bb:cc > Sets the SecureOn™ password. The argument to this > option must > be 6 bytes in Ethernet MAC hex format (xx:yy:zz:aa:bb:cc). > -- > > / Looking at the WoL spec referenced, that looks to be the MagicPacket > option mentioned above. Perhaps networks using WoL are using more coarse > methods which would continue to work even with changing MAC addresses. > > / Regards, > / Mark. > > > It seems to me that to solve this *and* the PXE issue, there's going > to end up being some requirement for the thin client to wake itself > up periodically and execute some sort of discovery process. (Something > we are going to need in the Anima WG, too, IMHO.) > > Regards > Brian > > > > > _______________________________________________ > v6ops mailing list > v6ops@ietf.org <mailto:v6ops@ietf.org> > https://www.ietf.org/mailman/listinfo/v6ops > > > > > _______________________________________________ > v6ops mailing list > v6ops@ietf.org > https://www.ietf.org/mailman/listinfo/v6ops >
- [v6ops] new draft: draft-vyncke-v6ops-ipv6-only-t… fred
- Re: [v6ops] new draft: draft-vyncke-v6ops-ipv6-on… Fred Baker (fred)
- Re: [v6ops] new draft: draft-vyncke-v6ops-ipv6-on… Hemant Singh (shemant)
- Re: [v6ops] new draft: draft-vyncke-v6ops-ipv6-on… Brian E Carpenter
- Re: [v6ops] new draft: draft-vyncke-v6ops-ipv6-on… Mark ZZZ Smith
- Re: [v6ops] new draft: draft-vyncke-v6ops-ipv6-on… Mark ZZZ Smith
- Re: [v6ops] new draft: draft-vyncke-v6ops-ipv6-on… Alexandru Petrescu
- Re: [v6ops] new draft: draft-vyncke-v6ops-ipv6-on… Alexandru Petrescu
- Re: [v6ops] new draft: draft-vyncke-v6ops-ipv6-on… Valenkamp Derk-Jan (ID NET)