Re: Anycast DNS - LB/LTM

2012-03-12 Thread ju wusuo
Klein To: ju wusuo Cc: "bind-users@lists.isc.org" Sent: Saturday, March 10, 2012 3:31 PM Subject: Re: Anycast DNS - LB/LTM Exactly. The script runs inside the LTM, and wraps "nslookup" or "dig". It should output a distinct output for success, and another dist

Re: Anycast DNS - LB/LTM

2012-03-09 Thread ju wusuo
Klein To: ju wusuo Cc: "bind-users@lists.isc.org" Sent: Wednesday, March 7, 2012 11:18 PM Subject: Re: Anycast DNS You would need to create a custom script to use as your monitor, which does a lookup of an address that you know will always be in your domain. If that fails,

Re: Anycast DNS

2012-03-07 Thread ju wusuo
thanks everyone for all responses with the great inputs .. now if I want to put the DNS servers behind LBs, 1) would the LTMs be able to announce the routes dynamically for the DNS servers, and a VIP can be withdrawn when the site is gone? 2) would the LTMs be able to detect a DNS service fai

Anycast DNS

2012-02-28 Thread ju wusuo
Have seen some anycast DNS implementations using more than one address, some times even on the same subnet, any considerations or reasons for doing that? ___ Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list b

Re: stub zone

2011-07-26 Thread ju wusuo
need to use it to send out iterative queries, instead of recursive ones (if using forwarding). From: Feng He <short...@gmail.com> To: ju wusuo <juwu...@yahoo.com> Cc: "bind-users@lists.isc.org" <bind-users@lists.isc.org> Sent: Tu

Re: stub zone

2011-07-26 Thread ju wusuo
Thanks Mark .. I think that probably is the misunderstanding of the "delegation" usage part. From: Mark Andrews To: ju wusuo Cc: "bind-users@lists.isc.org" Sent: Monday, July 25, 2011 9:57 PM Subject: Re: stub zone In message <131

stub zone

2011-07-25 Thread ju wusuo
Would like to use the BIND stub zone function, however, heard that ISC considers stopping support to stub zone in the future, is that true? ___ Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list bind-users mail

Re: queryperf for stress test

2011-01-16 Thread ju wusuo
this is just a benchmark kind of stress test with authoritative records, query logging has been disabled. Emil Natan >run queryperf on the same server and got a not bad number at around 60,000 >qps, >however, the cpu and memory are far from used up, what else could be the >limiting factor

Re: queryperf for stress test

2011-01-15 Thread ju wusuo
no seems not the case as cpu is only at about 60%. p...@mail.nsbeta.info wrote: ju wusuo writes: > run queryperf on the same server and got a not bad number at around 60,000 > qps, >however, the cpu and memory are far from used up, what else could be the >limiting factors for ge

queryperf for stress test

2011-01-14 Thread ju wusuo
run queryperf on the same server and got a not bad number at around 60,000 qps, however, the cpu and memory are far from used up, what else could be the limiting factors for getting higher qps numbers? ___ bind-users mailing list bind-users@list