In message <[email protected]>, Joe Greco writes: > > d be considered invalid. When you have a pool of assignable addresses, you > = > > should expect to see x.x.x.0 and x.x.x.255 in passing traffic (ie. VIP or N > = > > AT pool, or subnets larger than /24). Yet I've run into a commercial IP mgm > = > > t product and getting reports of M$ ISA proxy that is specifically blocking > = > > traffic for an IP ending in .0 or .255. > > To make a long story short: > > If it's a product you're considering buying, problems with .0 and .255 > reflect on the competence of the product's designers. You can safely > assume that there are many other Severely Broken Things too and move on > to saner products. > > For general Internet use, there is a lot of gear out there that's ten or > more years old. You should avoid using .0 and .255 addresses if you can > avoid it, though it's a shame to waste valid IP space to accommodate the > brokenness of someone else's stuff.
Ten year old equipment should be CIDR aware. It's not like it CIDR wasn't in wide spread using in 2002. > Some of us park stuff on .0 and .255 addresses in order to motivate > others to change. > > ... JG > -- > Joe Greco - sol.net Network Services - Milwaukee, WI - http://www.sol.net > "We call it the 'one bite at the apple' rule. Give me one chance [and] then I > won't contact you again." - Direct Marketing Ass'n position on e-mail spam(CN > N) > With 24 million small businesses in the US alone, that's way too many apples. > -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: [email protected]

