两台交换机相同vlan下怎么互通啊？

[LSW1]dis cur
#
sysname LSW1
#
vlan batch 10 to 20
#
cluster enable
ntdp enable
ndp enable
#
drop illegal-mac alarm
#
diffserv domain default
#
drop-profile default
#
aaa
authentication-scheme default
authorization-scheme default
accounting-scheme default
domain default
domain default_admin
local-user admin password simple admin
local-user admin service-type http
#
interface Vlanif1
#
interface Vlanif10
ip address 10.215.80.254 255.255.255.0
#
interface Vlanif20
ip address 10.215.60.254 255.255.255.0
#
interface MEth0/0/1
#
interface Ethernet0/0/1
port link-type access
port default vlan 10
#
interface Ethernet0/0/2
port link-type access
port default vlan 10
#
interface Ethernet0/0/3
#
interface Ethernet0/0/4
#
interface Ethernet0/0/5
#
interface Ethernet0/0/6
#
interface Ethernet0/0/7
#
interface Ethernet0/0/8
#
interface Ethernet0/0/9
#
interface Ethernet0/0/10
#
interface Ethernet0/0/11
#
interface Ethernet0/0/12
#
interface Ethernet0/0/13
#
interface Ethernet0/0/14
#
interface Ethernet0/0/15
#
interface Ethernet0/0/16
#
interface Ethernet0/0/17
#
interface Ethernet0/0/18
#
interface Ethernet0/0/19
#
interface Ethernet0/0/20
#
interface Ethernet0/0/21
#
interface Ethernet0/0/22
#
interface GigabitEthernet0/0/1
port link-type trunk
port trunk allow-pass vlan 10
#
interface GigabitEthernet0/0/2
#
interface NULL0
#
user-interface con 0
user-interface vty 0 4
#
port-group di

#
return

问题：你图中sw1先做了trunk,然后又做成access模式，划入vlan10，那么SW1和SW2之间就不是trunk了，所以不通。
解决办法：直接把SW1和SW2的g0/0/1口都改为trunk，四个电脑就可以ping通了。

把trunk口 G0/0/1设置为让vlan10和20都通过