On Fri, Dec 07, 2001 at 03:32:11PM +0100, Darian Lanx wrote: > Now, while I know how to use multiple default gateways, I do not know how > to equally divert traffic onto those gateways. The idea is the following. > My ISP is not the most reliable cable services provider and often one > gateway will fail, when the other is still active. Those system glitches > last anywhere from 30 seconds to 2 hours. I was thinking about writing a > little flow watcher, that looks at how many packets are being resent and > then drops one DGW in case it has "fallen off the net". Is it actually > possible to have packet 1 go via GW1 and packet 2 via GW2 then packet 3 > via 1 and packet 4 via 2 nad so on? As I said, this is a test case and I > do not mind installing Zebra if that is necessary, I just wanted to know > if this is possible with iproute2 and maybe a specialzed form of shaping? It's all pretty difficult and doesn't work all too well. Use "ip route replace" to easily change your default gw. Detection of a dead link is pretty hard, and not something for the kernel to do. Sometimes the kernel can detect a dead link, but that's only on ARPing mediums and in the case where the gateway doesn't ARP anymore. Regards, bert -- http://www.PowerDNS.com Versatile DNS Software & Services Trilab The Technology People Netherlabs BV / Rent-a-Nerd.nl - Nerd Available - 'SYN! .. SYN|ACK! .. ACK!' - the mating call of the internet
