IRF的堆叠
智能弹性架构技术（H3C开发的软件虚拟化技术）
将多台设备堆叠在一起，在逻辑上形成一台虚拟的逻辑主设备。主设备的运行状态与从设备的运行状态保持同步。提高了高可靠性。实现了多台设备的协同管理，统一工作，和不间断维护。
优点：简化管理、提高性能、弹性扩展、高可靠性。
成员：master和slave
在配置成功后需要进行重启才能狗正常运作。
缺省情况下，设备的成员优先级均为1。priority值越大表示优先级越高。
H3C的基本配置：
此处的两个设备变一个设备是指在逻辑上变成一台设备
基本命令配置：
S1:
[H3C]int ten1/0/49
[H3C-Ten-GigabitEthernet1/0/49]shu
[H3C-Ten-GigabitEthernet1/0/49]shutdown
[H3C-Ten-GigabitEthernet1/0/49]qu
[H3C]irf domain 10
[H3C]irf member 1 renumber 1
Renumbering the member ID may result in configuration change or loss. Continue?[Y/N]y
[H3C]irf-port 1/1
[H3C-irf-port1/1]port group interface Ten-GigabitEthernet 1/0/49
[H3C-irf-port1/1]qu
[H3C]irf-port-configuration active
[H3C]save
The current configuration will be written to the device. Are you sure? [Y/N]:n
[H3C]int ten1/0/49
[H3C-Ten-GigabitEthernet1/0/49]undo shutdown
[H3C-Ten-GigabitEthernet1/0/49]qu
[H3C]save
The current configuration will be written to the device. Are you sure? [Y/N]:y
Please input the file name(*.cfg)[flash:/startup.cfg]
(To leave the existing filename unchanged, press the enter key):
Validating file. Please wait...
Saved the current configuration to mainboard device successfully.
S2:
<H3C>system-view
System View: return to User View with Ctrl+Z.
[H3C]INT TEN1/0/49
[H3C-Ten-GigabitEthernet1/0/49]shu
[H3C-Ten-GigabitEthernet1/0/49]shutdown
%Nov 13 14:08:50:039 2016 H3C IFNET/3/PHY_UPDOWN: Physical state on the interface Ten-GigabitEthernet1/0/49 changed to down.
%Nov 13 14:08:50:044 2016 H3C IFNET/5/LINK_UPDOWN: Line protocol state on the interface Ten-GigabitEthernet1/0/49 changed to down.
[H3C-Ten-GigabitEthernet1/0/49]qu
[H3C]irf domain 10
[H3C]irf member 1 renumber 2
Renumbering the member ID may result in configuration change or loss. Continue?[Y/N]y
[H3C]irf-port 1/2
[H3C-irf-port1/2]port group interface Ten-GigabitEthernet 1/0/49
You must perform the following tasks for a successful IRF setup:
Save the configuration after completing IRF configuration.
Execute the "irf-port-configuration active" command to activate the IRF ports.
[H3C-irf-port1/2]qu
[H3C]int ten1/0/49
[H3C-Ten-GigabitEthernet1/0/49]un shutdown
[H3C-Ten-GigabitEthernet1/0/49]%Nov 13 14:10:26:230 2016 H3C IFNET/3/PHY_UPDOWN: Physical state on the interface Ten-GigabitEthernet1/0/49 changed to up.
%Nov 13 14:10:26:232 2016 H3C IFNET/5/LINK_UPDOWN: Line protocol state on the interface Ten-GigabitEthernet1/0/49 changed to up.
[H3C-Ten-GigabitEthernet1/0/49]qu
[H3C]save
The current configuration will be written to the device. Are you sure? [Y/N]:y
Please input the file name(*.cfg)[flash:/startup.cfg]
(To leave the existing filename unchanged, press the enter key):
Validating file. Please wait...
Saved the current configuration to mainboard device successfully.
<H3C>reboot
验证：
[H3C]dis cu
#
version 7.1.059, Alpha 7159
#
sysname H3C
#
irf domain 10
irf mac-address persistent timer
irf auto-update enable
undo irf link-delay
irf member 1 priority 1
irf member 2 priority 1
#
lldp global enable
#
system-working-mode standard
xbar load-single
password-recovery enable
lpu-type f-series
#
vlan 1
#
irf-port 1/1
port group interface Ten-GigabitEthernet1/0/49
#
irf-port 2/2
port group interface Ten-GigabitEthernet2/0/49
#
stp global enable
#
interface NULL0
#
interface FortyGigE1/0/53
port link-mode bridge
#
interface FortyGigE1/0/54
port link-mode bridge
#
interface FortyGigE2/0/53
port link-mode bridge
#
interface FortyGigE2/0/54
port link-mode bridge
#
interface GigabitEthernet1/0/1
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/2
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/3
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/4
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/5
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/6
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/7
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/8
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/9
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/10
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/11
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/12
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/13
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/14
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/15
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/16
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/17
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/18
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/19
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/20
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/21
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/22
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/23
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/24
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/25
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/26
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/27
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/28
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/29
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/30
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/31
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/32
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/33
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/34
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/35
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/36
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/37
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/38
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/39
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/40
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/41
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/42
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/43
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/44
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/45
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/46
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/47
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet1/0/48
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet2/0/1
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet2/0/2
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet2/0/3
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet2/0/4
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet2/0/5
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet2/0/6
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet2/0/7
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet2/0/8
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet2/0/9
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet2/0/10
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet2/0/11
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet2/0/12
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet2/0/13
port link-mode bridge
combo enable fiber
#
interface GigabitEthernet2/0/14
出现2/0/X说明堆叠成功
IRF MAD BFD 多活检测配置案例
配置：
R1:
[H3C]int g1/0/1
[H3C-GigabitEthernet1/0/1]port link-mode route
[H3C-GigabitEthernet1/0/1]ip add 1.1.1.1 24
[H3C]int ten 1/0/50
[H3C-Ten-GigabitEthernet1/0/50]shut
[H3C-Ten-GigabitEthernet1/0/50]qui
[H3C]irf member 1 renumber 1
Renumbering the member ID may result in configuration change or loss. Continue?[Y/N]y
[H3C]irf domain 10
[H3C]irf-port 1/1
[H3C-irf-port1/1]po g in ten 1/0/50
[H3C-irf-port1/1]qui
[H3C]int ten 1/0/50
[H3C-Ten-GigabitEthernet1/0/50]un sh
[H3C-Ten-GigabitEthernet1/0/50]qui
[H3C]irf-port-configuration ac
[H3C]save
[H3C]vlan 3
[IRF-vlan3]por g1/0/1
[IRF-vlan3]por g2/0/1
[IRF]int vlan 3
[IRF-Vlan-interface3]mad bfd enable
[IRF-Vlan-interface3]mad ip address 1.1.1.1 24 member 1
[IRF-Vlan-interface3]mad ip address 1.1.1.2 24 member 2
[IRF-Vlan-interface3]quit
[IRF-GigabitEthernet1/0/1]un stp en
[IRF-GigabitEthernet1/0/1]qui
[IRF]int g2/0/1
[IRF-GigabitEthernet2/0/1]un stp en
[IRF-GigabitEthernet2/0/1]qui
R2:
<H3C>sys
[H3C]int g1/0/1
[H3C-GigabitEthernet1/0/1]port link-mode route
[H3C-GigabitEthernet1/0/1]ip add 1.1.1.2 24
[H3C]int ten 1/0/50
[H3C-Ten-GigabitEthernet1/0/50]shu
[H3C-Ten-GigabitEthernet1/0/50]qui
[H3C]irf do 10
[H3C]irf m 1 re 2
Renumbering the member ID may result in configuration change or loss. Continue?[Y/N]y
[H3C]irf-p 1/2
[H3C-irf-port1/2]po g in ten 1/0/50
[H3C-irf-port1/2]qui
[H3C]irf-port-configuration active
