SW1和SW2的G1和G2口做端口聚合SW1和SW3的F21和F22做端口聚合SW3和SW4的G1和G2口做端口聚合配置
SW1interface GigabitEthernet0/1
switchport trunk encapsulation dot1q
switchport mode trunk
channel-group 1 mode desirable
!
interface GigabitEthernet0/2
switchport trunk encapsulation dot1q
switchport mode trunk
channel-group 1 mode desirable
SW2interface GigabitEthernet0/1
switchport trunk encapsulation dot1q
switchport mode trunk
channel-group 1 mode desirable
!
interface GigabitEthernet0/2
switchport trunk encapsulation dot1q
switchport mode trunk
channel-group 1 mode desirable
SW3interface GigabitEthernet0/1
channel-group 3 mode desirable
!
interface GigabitEthernet0/2
channel-group 3 mode desirable
!
SW4interface GigabitEthernet0/1
channel-group 3 mode desirable
!
interface GigabitEthernet0/2
channel-group 3 mode desirable
我在SW4上配置trunk就会报错
Command rejected: An interface whose trunk encapsulation is "Auto" can not be configured to "trunk" mode.
Command rejected: An interface whose trunk encapsulation is "Auto" can not be configured to "trunk" mode.
如果我先封装成DOT1q在配置trunk的话就会报另一个错
%EC-5-CANNOT_BUNDLE2: Gig0/1 is not compatible with Po3 and will be suspended (dtp mode of Gig0/1 is on, Po3is off )
%EC-5-CANNOT_BUNDLE2: Gig0/2 is not compatible with Po3 and will be suspended (dtp mode of Gig0/2 is on, Po3is off )
%LINK-5-CHANGED: Interface Port-channel 3, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface Port-channel 3, changed state to up
这是什么问题呢, 如果不我配置trunk在sw4的G1和G2口会有什么影响呢,哪个专家帮忙分析一下,最好详细一点,谢谢。
还有以上这么做端口聚合可以吗