On Monday 29/07/2013 at 8:14 am, "Zyumbilev, Peter" wrote:
Hi,
I have 2 fiber lines and using pfsense(freebsd) I can easily use them
for backup of LAN --> Internet traffic i.e when primary is down,
second
line kick in automatically. However when one line is down all
connections Internet --> LAN to certain service(e.g www) via that
connection are down as expected.
My question is: is there some smart(e.g DNS) solution that can help me
overcome this ?
DNS works at a higher layer that physical connections, so cannot be
the solution, but may be required in a solution.
fail-over for WAN link failure is the solution.
For DNS, if you're running public domain named services and you cannot
bring up the backup WAN link on the same IP as the failed primary,
then you'll have to dynamically update the domain names with new A
record.
Len
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