I'm sure you will want more information, but to start,
please see the configs here:
Server (Debian GNU/Linux 6.0 \n \l):
/etc/network/interfaces
# This file describes the network interfaces available
on your system
# and how to activate them. For more information, see
interfaces(5).
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
auto eth0
iface eth0 inet manual
auto eth1
iface eth1 inet manual
auto eth2
iface eth2 inet manual
auto eth3
iface eth3 inet manual
auto eth4
iface eth4 inet manual
auto eth5
iface eth5 inet manual
auto bond0
iface bond0 inet static
address
10.1.4.15
netmask
255.255.0.0
network
10.1.0.0
broadcast 10.1.255.255
gateway
10.1.1.1
bond_mode 802.3ad
bond_miimon 100
bond_downdelay 200
bond_updelay
200
slaves
eth4 eth5
auto bond1
iface bond1 inet manual
bond_mode 802.3ad
bond_miimon 100
bond_downdelay 200
bond_updelay 200
slaves
eth2 eth3
auto br0
iface br0 inet manual
#bridge_ports bond1
#bridge_stp off
#bridge_fd 0
#bridge_maxwait 0
pre-up
ip link set bond1 down
pre-up
brctl addbr br0
pre-up
brctl addif br0 bond1
pre-up
ip link set bond1 up
pre-up
ip link set br0 up
post-down ip link set br0 down
post-down brctl delbr br0
C2960S-STACK (four Cisco 2960S with fiber
interconnection)
Current config:
***#sh conf
Using 6326 out of 524288 bytes
version 12.2
no service pad
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
hostname ***
boot-start-marker
boot-end-marker
enable secret 5 ***
enable password ***
no aaa new-model
switch 1 provision ws-c2960s-48ts-l
switch 2 provision ws-c2960s-48ts-l
switch 3 provision ws-c2960s-48ts-l
crypto pki trustpoint TP-self-signed-1561874560
enrollment
selfsigned
subject-name
cn=IOS-Self-Signed-Certificate-1561874560
revocation-check none
rsakeypair
TP-self-signed-1561874560
crypto pki certificate chain TP-self-signed-1561874560
certificate
self-signed 01 nvram:IOS-Self-Sig#3030.cer
spanning-tree mode pvst
spanning-tree extend system-id
vlan internal allocation policy ascending
interface FastEthernet0
no ip address
interface Vlan1
no ip address
shutdown
!
ip http server
ip http secure-server
!
line con 0
line vty 0 4
password ***
login
line vty 5 15
password ***
login
!
End
The bond configuration was working in active/backup
mode on some old dell switches at the old companies' location.
Suggestion:
You're using LACP on the servers, so you need to use
LACP on the Cisco switch too.
On the stack master, enter the following
configuration...
That will configure an EtherChannel using LACP on
ports 1/0/1, 2/0/1, 3/0/1 and 3/0/2.
Substitute the ports numbers with the actual port numbers.
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