Re: New version available

2010-09-23 Thread Benny Amorsen
Mikael Abrahamsson swm...@swm.pp.se writes: I deployed one-vlan-per-customer-subvlan with a shared /27 supernet on Extreme Networks equipment in ~2002, the same thing can be done on Cisco as well (ip address unnumbered lo10 and static routes for each /32 to a specific vlan interface). Thank

Re: [lisp] IPv6 UDP checksum issue

2009-07-31 Thread Benny Amorsen
j...@mercury.lcs.mit.edu (Noel Chiappa) writes: The UDP checksum in the outer header on LISP user-data does nothing, is expensive/impossible to compute (depending on the hardware), and therefore the correct practical engineering choice is to not compute it. You will probably eventually see

Re: UDP zero checksums and v4 to v6 translators

2009-07-30 Thread Benny Amorsen
Brian E Carpenter brian.e.carpen...@gmail.com writes: There's no retransmission in UDP. Obviously not by the protocol stack. That doesn't stop applications from retransmitting. TFTP or SIP won't give up just because the first packet is lost. RTP will keep transmitting new packets, even if it

Re: Issue 13: Omission of prefix options - resolution

2003-11-05 Thread Benny Amorsen
On 2003-11-05 at 10:30, Markku Savela wrote: MIP6 has really no need for messing with RA's. It should just detect movement by the fact that the CoA it has been using has been removed from the stack. Then it can find a new CoA from the stack, when it configures. In some cases, imminent death

RE: IPv6 adoption behavior

2003-10-21 Thread Benny Amorsen
On 2003-10-21 at 03:16, Michel Py wrote: True, but Teredo is both the best friend and the worst enemy of IPv6. The best friend because it does indeed enable app developers to develop IPv6-only apps before IPv6 is largely deployed at ISPs. The worst enemy because if IPv6-only apps work good

Re: IPv6 adoption behavior

2003-10-21 Thread Benny Amorsen
On 2003-10-21 at 14:15, Todd T. Fries wrote: I'm sorry to reply late to this, but I can't help but realize that NAT+IPv4 vs IPv6+firewall can be equivalent in `isolation'. Simply `block in all' and `pass out on $ext_if keep state' (in the pf terms of OpenBSD) and in two rules you have the