求助一个华为3900和思科3550交换机互联的一个问题？

jing1067

3900的配置如下：
<Quidway>dis cur
#
sysname Quidway
#
super password level 3 cipher BHaE\``64J+Q=^Q`MAF4<1!!
#
loopback-detection enable
loopback-detection interval-time 20
#
radius scheme system
#
domain system
#
local-user huawei
password cipher N`C55QK<`=/Q=^Q`MAF4<1!!
service-type telnet
local-user huawei4
password cipher N`C55QK<`=/Q=^Q`MAF4<1!!
service-type telnet
#
vlan 1
#
vlan 9 to 10
#
vlan 48
#
vlan 53 to 55
#
interface Vlan-interface1
ip address 192.168.10.13 255.255.255.0
#
interface Aux1/0/0
#
interface Ethernet1/0/1
port link-type trunk
port trunk permit vlan all
#
interface Ethernet1/0/2
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 53 3001
port trunk pvid vlan 53
loopback-detection control enable
loopback-detection per-vlan enable
loopback-detection enable
#
interface Ethernet1/0/3
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 53 3003
port trunk pvid vlan 53
loopback-detection control enable
loopback-detection per-vlan enable
loopback-detection enable
#
interface Ethernet1/0/4
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 53 3004
port trunk pvid vlan 53
loopback-detection control enable
loopback-detection per-vlan enable
loopback-detection enable
#
interface Ethernet1/0/5
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 53 3005
port trunk pvid vlan 53
loopback-detection control enable
loopback-detection per-vlan enable
loopback-detection enable
#
interface Ethernet1/0/6
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 53 3006
port trunk pvid vlan 53
loopback-detection control enable
loopback-detection per-vlan enable
loopback-detection enable
#
interface Ethernet1/0/7
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 48 3002
port trunk pvid vlan 48
loopback-detection control enable
loopback-detection per-vlan enable
loopback-detection enable
#
interface Ethernet1/0/8
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 48 3000
port trunk pvid vlan 48
loopback-detection control enable
loopback-detection per-vlan enable
loopback-detection enable
#
interface Ethernet1/0/9
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 48 4001
port trunk pvid vlan 48
loopback-detection control enable
loopback-detection per-vlan enable
loopback-detection enable
#
interface Ethernet1/0/10
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10 4010
port trunk pvid vlan 10
loopback-detection control enable
loopback-detection per-vlan enable
loopback-detection enable
#
interface Ethernet1/0/11
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10 4011
port trunk pvid vlan 10
loopback-detection control enable
loopback-detection per-vlan enable
loopback-detection enable
#
interface Ethernet1/0/12
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10 4012
port trunk pvid vlan 10
loopback-detection control enable
loopback-detection per-vlan enable
loopback-detection enable
#
interface Ethernet1/0/13
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10 4013
port trunk pvid vlan 10
loopback-detection control enable
loopback-detection per-vlan enable
loopback-detection enable
#
interface Ethernet1/0/14
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10 4014
port trunk pvid vlan 10
loopback-detection control enable
loopback-detection per-vlan enable
loopback-detection enable
#
interface Ethernet1/0/15
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 10 4015
port trunk pvid vlan 10
loopback-detection control enable
loopback-detection per-vlan enable
loopback-detection enable
#
interface Ethernet1/0/16
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 9 4016
port trunk pvid vlan 9
loopback-detection control enable
loopback-detection per-vlan enable
loopback-detection enable
#
interface Ethernet1/0/17
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 55 4017
port trunk pvid vlan 55
loopback-detection control enable
loopback-detection per-vlan enable
loopback-detection enable
#
interface Ethernet1/0/18
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 55 4018
port trunk pvid vlan 55
loopback-detection control enable
loopback-detection per-vlan enable
loopback-detection enable
#
interface Ethernet1/0/19
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 55 4019
port trunk pvid vlan 55
loopback-detection control enable
loopback-detection per-vlan enable
loopback-detection enable
#
interface Ethernet1/0/20
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 55 4020
port trunk pvid vlan 55
loopback-detection control enable
loopback-detection per-vlan enable
loopback-detection enable
#
interface Ethernet1/0/21
#
interface Ethernet1/0/22
#
interface Ethernet1/0/23
#
interface Ethernet1/0/24
#
interface GigabitEthernet1/1/1
#
interface GigabitEthernet1/1/2
#
interface GigabitEthernet1/1/3
#
interface GigabitEthernet1/1/4
#
undo irf-fabric authentication-mode
#
interface NULL0
#
voice vlan mac-address 0001-e300-0000 mask ffff-ff00-0000
#
user-interface aux 0 7
user-interface vty 0 4
authentication-mode scheme
set authentication password cipher N`C55QK<`=/Q=^Q`MAF4<1!!
#
return
<Quidway>


3900通过端口1和3550下的某一端口做trunk互联，3900上述配置中每个下联端口trunk属性后面都跟了一个参数（我标示为红色的部分），

如何后面没有这个参数，和3550就不通，烦请各位高手解惑呀！