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-   -   Do you need STP enabled to run active active bonding one CentOS4? (http://www.linuxquestions.org/questions/linux-networking-3/do-you-need-stp-enabled-to-run-active-active-bonding-one-centos4-733617/)

ch19251 06-17-2009 10:16 AM

Do you need STP enabled to run active active bonding one CentOS4?
 
I would like to improve the throughput of my db servers, running CentOS4.7 64bit. I wanted to bond the 2 interfaces together, and active active configuration to provide more throughput and provide fault tolerance. My question is this, my network is a flat Layer 2, with 2 gigabit dumb switches, so no Spanning Tree Protocol (STP). If I bond the 2 nics active active, then plug one nic in one switch and one nic in the other switch, would I create a routing loop?

watcher69b 06-17-2009 10:30 AM

no you dont need it, Here are my config files you can copy them to the /etc/sysconfig/network-scripts/

ifcfg-bond0
----------------------------------------
DEVICE=bond0
BOOTPROTO=none
IPADDR=10.XX.XX.1
NETMASK=255.255.255.248
NETWORK=10.12.XX.XX
BROADCAST=10.12.XX.XX
ONBOOT=yes
USERCTL=no
----------------------------------------
ifcfg-eth0
----------------------------------------
# Broadcom Corporation NetXtreme II BCM5708 Gigabit Ethernet
DEVICE=eth0
MASTER=bond0
SLAVE=yes
HWADDR=00XXXXXXXXXXXX
BOOTPROTO=none
IPADDR=10.12.XX.XX
NETMASK=255.255.255.248
NETWORK=10.12.XX.XX
BROADCAST=10.12.XX.XX
ONBOOT=yes
USERCTL=no
----------------------------------------
also you need /etc/modprobe.conf
alias bond0 bonding
options bond0 miimon=100 mode=0
alias eth0 bnx2
alias eth1 bnx2


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