Re: [CentOS] Help with IPv6 /48 block

2015-01-11 Thread Mike McCarthy, W1NR
The normal usage for a /48 block is to divide it into /64 sub-networks and use DHCP to issue addresses to each subnet from the corresponding /64 segment. I would recommend taking the IPv6 certification course from Hurricane Electric at https://ipv6.he.net/certification/ as a start. Mike

Re: [CentOS] Help with IPv6 /48 block

2015-01-11 Thread Always Learning
On Sat, 2015-01-10 at 13:03 -0800, John R Pierce wrote: > On 1/10/2015 12:56 PM, F. Mendez wrote: > > We need that same with IPv6 since we have a /48 and we need to have > > all IPv6s available for usage. > > Do you realize that a ipv6 /48 is a septillion IP addresses? thats > 1,208,925,819

Re: [CentOS] Help with IPv6 /48 block

2015-01-10 Thread John R Pierce
On 1/10/2015 9:19 PM, F. Mendez wrote: Yup. It is actually just a way to figure out how to handle this with easy. But this will be use for a wide spread implementation. how to handle what? you've never explained what you're trying to do, except in the most vague terms. -- john r pierce

Re: [CentOS] Help with IPv6 /48 block

2015-01-10 Thread F. Mendez
El 10/01/2015 a las 11:41 p.m., John R Pierce escribió: On 1/10/2015 8:10 PM, F. Mendez wrote: El 10/01/2015 a las 04:03 p.m., John R Pierce escribió: On 1/10/2015 12:56 PM, F. Mendez wrote: We need that same with IPv6 since we have a /48 and we need to have all IPv6s available for usage. D

Re: [CentOS] Help with IPv6 /48 block

2015-01-10 Thread F. Mendez
El 11/01/2015 a las 12:10 a.m., John R Pierce escribió: On 1/10/2015 8:38 PM, Gordon Messmer wrote: On 01/10/2015 08:10 PM, F. Mendez wrote: Hello. Yes I confirm...its a /48 (this guys are crazy here at my work...). It's not crazy, that's the standard deployment for a building. It's almost c

Re: [CentOS] Help with IPv6 /48 block

2015-01-10 Thread John R Pierce
On 1/10/2015 8:38 PM, Gordon Messmer wrote: On 01/10/2015 08:10 PM, F. Mendez wrote: Hello. Yes I confirm...its a /48 (this guys are crazy here at my work...). It's not crazy, that's the standard deployment for a building. It's almost certainly not possible to use all of the addresses in such

Re: [CentOS] Help with IPv6 /48 block

2015-01-10 Thread John R Pierce
On 1/10/2015 8:10 PM, F. Mendez wrote: El 10/01/2015 a las 04:03 p.m., John R Pierce escribió: On 1/10/2015 12:56 PM, F. Mendez wrote: We need that same with IPv6 since we have a /48 and we need to have all IPv6s available for usage. Do you realize that a ipv6 /48 is a septillion IP addresse

Re: [CentOS] Help with IPv6 /48 block

2015-01-10 Thread Gordon Messmer
On 01/10/2015 08:10 PM, F. Mendez wrote: Hello. Yes I confirm...its a /48 (this guys are crazy here at my work...). It's not crazy, that's the standard deployment for a building. It's almost certainly not possible to use all of the addresses in such a space, but that's the point. IPv6 is in

Re: [CentOS] Help with IPv6 /48 block

2015-01-10 Thread F. Mendez
El 10/01/2015 a las 04:03 p.m., John R Pierce escribió: On 1/10/2015 12:56 PM, F. Mendez wrote: We need that same with IPv6 since we have a /48 and we need to have all IPv6s available for usage. Do you realize that a ipv6 /48 is a septillion IP addresses? thats 1,208,925,819,614,629,200,000,

Re: [CentOS] Help with IPv6 /48 block

2015-01-10 Thread Gordon Messmer
On 01/10/2015 12:56 PM, F. Mendez wrote: Currently we have a /26 range of IPv4. So we have eth0:1...eth0:59 Interface aliases are deprecated, IIRC. An interface can have multiple addresses in V4 or V6 managed with the "ip" tool rather than "ifconfig." We need that same with IPv6 since we h

Re: [CentOS] Help with IPv6 /48 block

2015-01-10 Thread Mike Mohr
I'm not sure how you plan to manage your /48, but this is how I've seen it done in the past: 1) You are given a single IPv6 address (a /128) for your Internet-facing router. You are expected to add this address to your untrusted interface. You are also given the address of a router at your ISP wh

Re: [CentOS] Help with IPv6 /48 block

2015-01-10 Thread John R Pierce
On 1/10/2015 12:56 PM, F. Mendez wrote: We need that same with IPv6 since we have a /48 and we need to have all IPv6s available for usage. Do you realize that a ipv6 /48 is a septillion IP addresses? thats 1,208,925,819,614,629,200,000,000 individual IPs ? Or, its 65536 /64 subnets of 18

Re: [CentOS] Help with IPv6 /48 block

2015-01-10 Thread F. Mendez
El 10/01/2015 a las 03:40 p.m., Gordon Messmer escribió: On 01/10/2015 10:10 AM, F. Mendez wrote: But of course I am assuming that like in IPv4 IPADDR_START/END is implemented. I don't think so. The START and END bits of ifup-aliases appear to be v4 specific. Please give some guidance as

Re: [CentOS] Help with IPv6 /48 block

2015-01-10 Thread Gordon Messmer
On 01/10/2015 10:10 AM, F. Mendez wrote: But of course I am assuming that like in IPv4 IPADDR_START/END is implemented. I don't think so. The START and END bits of ifup-aliases appear to be v4 specific. Please give some guidance as I need this to done already and the hole /48 must be avai

[CentOS] Help with IPv6 /48 block

2015-01-10 Thread F. Mendez
Hello. It happens that at the company I'm working decided to start migration of IPs tech. So they got a /48 block. I were trying to add it with: ifcfg-eth0-range1 (0 is already in use with IPv4 range): IPV6ADDR_START= IPV6ADDR_END= CLONENUM_START=0 But of course I am assuming that l