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system:ip_addresses [2007-04-29T20:16:56+0000]
198.144.194.236 typo/spello fixes
system:ip_addresses [2019-12-12T23:40:50+0000] (current)
michael_paoli updated status of "new"
Line 1: Line 1:
-======IP Addresses======+======IP Addresses ​(mostly BALUG and related [L]UGs, etc.)====== 
 +<​file>​ 
 +"​old"​ <​~=2019-12-19 --> "​new"​ >​~=2019-12-12 
 +198.144.194.232 ​    ​-->​ 96.86.170.224 network (/29) 
 +198.144.194.234 ​    ​-->​ 96.86.170.225 
 +198.144.194.235 ​    ​-->​ 96.86.170.226 
 +198.144.194.236 ​    ​-->​ 96.86.170.227 
 +198.144.194.237 ​    ​-->​ 96.86.170.228 
 +198.144.194.238 ​    ​-->​ 96.86.170.229 balug.org./​[L]UGs ​      
 +198.144.194.233 ​    ​-->​ 96.86.170.230 gateway 
 +198.144.194.239 ​    ​-->​ 96.86.170.231 broadcast 
 +</​file>​ 
 +"​new"​ addresses are now active,\\ 
 +there will be bit overlap period of about 8 days,\\ 
 +IPv4 addresses are shown with relevant "​mappings",​ but note that\\ 
 +they'​re not in IPv4 ordered sequence (notably gateway will\\ 
 +change from first, to last, of the "​usable"​ IPs in the sequence).
  
-**IPv4 addresses** (this host and subnet):​\\ +BALUG/LUGs?\\ 
-208.96.15.248/29 network:\\ +[[https://www.balug.org/|BALUG]]\\ 
-208.96.15.248 network\\ +[[https://www.sf-lug.org/​|SF-LUG]] (see also linuxmafia.com for SF-LUG list(s))\\ 
-208.96.15.249 Default Gateway\\ +[[https://​berkeleylug.com/​|BerkeleyLUG]]\\
-208.96.15.250 ​[[http://en.wikipedia.org/wiki/​Hot_Standby_Router_Protocol|HSRP]]\\ +
-208.96.15.251 ​[[http://en.wikipedia.org/wiki/​Hot_Standby_Router_Protocol|HSRP]]\\ +
-**208.96.15.252 ​SF-LUG** (sf-lug.com., etc.\\ +
-208.96.15.253 (**useable** ​reserved for future use(?))\\ +
-**208.96.15.254** for **BALUG** use\\ +
-208.96.15.255 broadcast+
  
-Note that **208.96.15.254** is principally **reserved for BALUG** use ​Services that aren't BALUG'​s +linuxmafia.com - see linuxmafia.com (& %%w%%ww.linuxmafia.comDNS data (e.g. for SF-LUG list)
-or conflict or potentially conflict with what BALUG wishes to use on port(son that IP may +
-get "​bumped"​ from that IP address ​(e.g. the non-BALUG service reconfigured so it doesn'​t +
-run or also run on that IP).  Note also that in some/many cases BALUG may have no objection +
-or conflict with some common services not specific to BALUG also running on 208.96.15.254 +
-(so those may simply peaceably coexist and not or not likely be "​bumped"​ off of that IP).+
  
-Some background/references/​excerpts on the IPv4 addresses follows:\\ +IPs not used for BALUG/%%[%%L]UG(s) may not be particularly detailed here\\ 
-[[http://​linuxmafia.com/​pipermail/​sf-lug/​2007q2/​001427.html|Notes re 2007-04-16 SF-LUG meeting about the colo box]] +(hosting provided courtesy of Michael Paoli, ​[L]UGs essentially mostly "​just"​ get use of the one IPv4 address).
-<​html>​ +
-Cc: nathank +
-From: jim stockford +
-Subject: Re: IP addresses +
-Date: Mon, 23 Apr 2007 08:52:11 -0700 +
-To: Michael Paoli+
  
-hi, michael, note i've copied nathan.+additional details may be found in/via DNS\\ 
 +IPv6?  Mostly see the DNS data for relevant information.
  
-    Take 254. thank you for the explanation. +===== mostly historical information ===== 
- +See earlier versions ​of wiki page in [[https://www.balug.org/wiki/doku.php?​id=system:ip_addresses&​do=revisions|history]]
-On Apr 22, 2007, at 7:03 PM, Michael Paoli wrote: +
- +
-> Well, ... let me/us know if we can snag one of those IPs for BALUG. +
-+
-> Looks like we've got a network of 208.96.15.248/​29:​ +
-> 208.96.15.248 network +
-> 208.96.15.249 Default Gateway +
-> 208.96.15.250 HSRP +
-> 208.96.15.251 HSRP +
-> 208.96.15.252 sf-lug.com. +
-> 208.96.15.253 (useable) +
-> 208.96.15.254 (useable) +
-> 208.96.15.255 broadcast +
-+
-> ... so, ... could potentially use 208.96.15.253 or 208.96.15.254 +
-> for BALUG (perhaps 208.96.15.254) if you might want to keep the other +
-> available IP contiguous with the existing sf-lug.com. IP). +
-+
-> Typically on a /29 there would be 5 useable IPs (8 less 2 for network +
-> and +
-> broadcast less one more for router) ... but with HSRP that drops us to +
-> 3 useable (HSRP using n+1 - two routers, that's 3 IPs - one for each +
-> router + one high availability virtual IP to serve as the default +
-> route). +
-+
-> At best, if we want to maintain high availability routing, we might be +
-> able to squeeze one more IP out of them ... but anything beyond that +
-> and +
-> we'd have to sacrifice any router redundancy. ​ Since the only "​box"​ we +
-> have on the subnet is the LINUX box, and it's quite capable of being +
-> configured with two default routes (and will use whichever one works), +
-> going without HSRP, and instead just having the two IPs for the two +
-> routers +
-> would work as well in terms of high availability routing ... but this +
-> may +
-> not be standard operating procedure for the colo, so they may or may +
-> not +
-> be particularly agreeable to making such a change. ​ In any case, that +
-> would +
-> only gain us one additional useable IP - bringing us from 3 up to 4. +
-+
-> Squeezing a 5th IP would generally mean sacraficing router/​routing +
-> failover. +
-+
-> http://en.wikipedia.org/wiki/Hot_Standby_Router_Protocol +
-> http://​tools.ietf.org/​html/​rfc2281 +
-+
-> Quoting jim stockford: +
-+
->> Here's a clip from the ServePath Network +
->> Team. +
->> Check it out: +
->> +
->> You have been assigned the following block of IP addresses:​ +
->> +
->> ​     First Useable IP address: ​ 208.96.15.252 +
->> ​     Last Useable IP address: ​ 208.96.15.254 +
->> ​     Default Gateway: ​ 208.96.15.249 +
->> ​     Netmask: ​ 255.255.255.248 +
->> +
->> DNS 216.93.160.16 +
->> DNS 216.93.170.17 +
->> +
->> You are assigned power ports 248.8.10 +
->> +
->> Please note that your VLAN is implemented with HSRP for +
->> redundancy. ​ This is why the first 3 useable IP addresses of  <---- +
->> your IP block are reserved and not useable. +
-</​html>​+
system/ip_addresses.1177877816.txt.bz2 · Last modified: 2007-04-29T20:16:56+0000 by 198.144.194.236