Hi, But the customer doesn't have their own registered IP addresses and there are no peering agreement between ISP A and ISP B. I think it is a good idea to move DNS inside the customer's network like Jay said before. Thank you ----- Original Message ----- From: <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]> Sent: 06 September, 2000 4:41 PM Subject: RE: dns > Hello, > > I think is best to use only one address, and do BGP to your ISPs (moving DNS > inside your network is a good idea also). > > > ----------------------------------------------- > Gabriel Neagoe, GN379-RIPE > Networking solutions consultant > CCNP, CCDA > S&T Romania > tel: +401 20 40 300 > fax: +401 20 40 310 > ----------------------------------------------- > > > -----Original Message----- > > From: Nurarif Wibawa [SMTP:[EMAIL PROTECTED]] > > Sent: Wednesday, September 06, 2000 11:38 AM > > To: [EMAIL PROTECTED] > > Subject: dns > > > > Hi, > > > > I need a solution for the configuration below: > > > > Internet > > | | > > | | > > ISP A ISP B > > | | > > | | > > Customer > > | > > ---------------------------- Web Server > > > > Web Server will has 2 IP addresses, one will be given by ISP A and the > > other one will be given by ISP B. > > Primary DNS server is on ISP A and secondary DNS server is on ISP B. > > The DNS server on ISP A has two records for customer's web server, for > > example : > > www a 10.0.0.1 (IP address given by ISP A) > > www a 20.0.0.1 (IP address given by ISP B) > > The goal is to use dual ISP for back-up purpose, so the web server will > > serve for 24 hour / day. > > Since the DNS server only load balance between two same host records, how > > about if one link is broken ? > > For example : > > Link from ISP B to Customer is broken, meanwhile someone in Internet is > > accessing the web server and the DNS server give him the IP address of > > 20.0.0.1, so the session will time out. He will has an access to web > > server until the DNS server give him the IP address of 10.0.0.1 (because > > the DNS server load balance these two records). > > Are there any solutions to solve this problem, so the DNS server could > > detect the unreachable IP address and after that it would give the correct > > reachable IP address to the client ? > > > > Thank you > > ___________________________________ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
