On Tuesday 04 June 2002 07:22, Rob Fegley wrote: > -With equal metrics assigned to two default routes, will traffic that > ingresses on one interface be routed back out of that same interface > upon server reply, since I'm port-forwarding inbound connections? > This would imply that a port-forwarding "session" table entry would > take precedence over the routing table, right? This would be my most > preferred option, because it allows the greatest flexibility and > imparts the hardest work on Bering to figure out. > > -If not, then I need to apply a better cost to the interface that > will do most of my hosting, then apply some sort of periodic test > that would flush my better cost default route in the event that it's > upstream path dies. The problem here is that both interfaces will be > plugging into a switch (on separate VLANs), but even if the > interfaces were crossover-cabled to my cable modem (bridge) and DSL > bridge, the Bering box should never see that interface link go down, > so there is no route flushing mechanism since a Layer 2 path always > exists. Essentially, I am looking for Bering to have some knowledge > almost like a "hello timer" to some upstream device, such that if > visibility to that device (not necessarily another router, maybe my > ISP's DNS server) goes away, then a process kicks off to flush my > current preferred default route and uses the higher cost default. To > read into this from a Cisco perspective, I am looking for some method > of simulating neighbor adjacency without peering with an upstream > router, which is not an option. > > -Finally, in either an equal- or unequal-cost metric setup, does my > outbound source NAT (for my browsing) take place pre- or > post-routing? In essence, by NATting my internal subnet (or host) to > an interface or an address within the address/netmask applied to that > interface, does that ensure that my traffic will egress on that same > interface, thus basically acting like policy routing?
This has been a Golden Goose that hasn't worked as hoped for several years with the 2.2.x kernel releases. I can't say that anyone has attempted it with 2.4.x LEAF (Bering) yet. The best advice I have seen (documented) is Jack Coates Load-Balancing HowTo, found at: http://leaf.sourceforge.net/pub/doc/howto/LRP-Load-Balancing-HOWTO.html I hope this helps! __ ~Lynn Avants aka Guitarlynn guitarlynn at users.sourceforge.net http://leaf.sourceforge.net If linux isn't the answer, you've probably got the wrong question! _______________________________________________________________ Don't miss the 2002 Sprint PCS Application Developer's Conference August 25-28 in Las Vegas -- http://devcon.sprintpcs.com/adp/index.cfm ------------------------------------------------------------------------ leaf-user mailing list: [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/leaf-user SR FAQ: http://leaf-project.org/pub/doc/docmanager/docid_1891.html
