Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Ralf Gross wrote: > Lars Ellenberg schrieb: >> On Thu, Jun 19, 2008 at 01:03:11PM +0100, Lee Christie wrote: >>> In any event, I'm no expert on channel bonding, but in a 2-server >>> configuration, where the Ips and MAC addresses are fixed at either end, >>> how can you use all 4 channels ? I was always under the impression that >>> the bonding used an algorithm based on src/dest IP/Mac to choose which >>> link to send data down, so in a point to point config it would always be >>> the same link. >> "balance-rr" aka mode 0 for linux bonding schedules packets round robin >> over the available links. > > balance-rr will not help in a cisco environment, because the switch > will still use the same ports and does not perform rr load balancing. > The only way to get rr working with cisco switches was to use 2 > different vlans. > > eth0 <---- vlan x ----> eth0 > eth1 <---- vlan y ----> eth1 > > At least this is my experience and our CCNP's (or what they are > called) told me the same. I most clusters _we_ configure, this is irrelevant because the replication link, bonded or not, is back-to-back and doesn't go through switches at all. Cheers, Florian -- : Florian G. Haas : LINBIT Information Technologies GmbH : Vivenotgasse 48, A-1120 Vienna, Austria When replying, there is no need to CC my personal address. I monitor the list on a daily basis. Thank you.