how to change mode trunk to access

[indi60]

Dear all,
I'm newbie in networking...
I have alcatel 6250 with configuration below:

system name EXAMPLE
system daylight savings time disable
! Configuration:
! VLAN :
vlan 1 enable name "VLAN 1"
vlan 500 enable name "VLAN 500"
vlan 870 enable name "VLAN 870"
vlan 875 enable name "VLAN 875"
vlan 969 enable name "VLAN 969"
! VLAN SL:
! IP :
ip service all
ip interface "vlan870" address 10.254.200.250 mask 255.255.255.0 vlan 870 ifindex 1
! IPMS :
! AAA :
aaa authentication console "local"
aaa authentication telnet "local"
! PARTM :
! 802.1x :
! QOS :
! Policy manager :
! Session manager :
session prompt default "EXAMPLE>"
! SNMP :
! RIP :
! IPv6 :
! IP multicast :
! IPRM :
ip static-route 0.0.0.0/0 gateway 10.254.200.254 metric 1
! RIPng :
! Health monitor :
health threshold temperature 78
! Interface :
! Udld :
! Port Mapping :
! Link Aggregate :
! VLAN AGG:
! 802.1Q :
vlan 870 802.1q 1/1 "TAG PORT 1/1 VLAN 870"
vlan 969 802.1q 1/1 "TAG PORT 1/1 VLAN 969"
vlan 870 802.1q 1/2 "TAG PORT 1/2 VLAN 870"
vlan 969 802.1q 1/2 "TAG PORT 1/2 VLAN 969"
vlan 870 802.1q 1/3 "TAG PORT 1/3 VLAN 870"
vlan 969 802.1q 1/3 "TAG PORT 1/3 VLAN 969"
vlan 870 802.1q 1/4 "TAG PORT 1/4 VLAN 870"
vlan 969 802.1q 1/4 "TAG PORT 1/4 VLAN 969"
vlan 870 802.1q 1/5 "TAG PORT 1/5 VLAN 870"
vlan 969 802.1q 1/5 "TAG PORT 1/5 VLAN 969"
vlan 870 802.1q 1/6 "TAG PORT 1/6 VLAN 870"
vlan 969 802.1q 1/6 "TAG PORT 1/6 VLAN 969"
vlan 870 802.1q 1/7 "TAG PORT 1/7 VLAN 870"
vlan 969 802.1q 1/7 "TAG PORT 1/7 VLAN 969"
vlan 870 802.1q 1/8 "TAG PORT 1/8 VLAN 870"
vlan 969 802.1q 1/8 "TAG PORT 1/8 VLAN 969"
vlan 870 802.1q 1/9 "TAG PORT 1/9 VLAN 870"
vlan 969 802.1q 1/9 "TAG PORT 1/9 VLAN 969"
vlan 870 802.1q 1/10 "TAG PORT 1/10 VLAN 870"
vlan 969 802.1q 1/10 "TAG PORT 1/10 VLAN 969"
vlan 870 802.1q 1/11 "TAG PORT 1/11 VLAN 870"
vlan 969 802.1q 1/11 "TAG PORT 1/11 VLAN 969"
vlan 870 802.1q 1/12 "TAG PORT 1/12 VLAN 870"
vlan 969 802.1q 1/12 "TAG PORT 1/12 VLAN 969"
vlan 870 802.1q 1/13 "TAG PORT 1/13 VLAN 870"
vlan 969 802.1q 1/13 "TAG PORT 1/13 VLAN 969"
vlan 870 802.1q 1/14 "TAG PORT 1/14 VLAN 870"
vlan 969 802.1q 1/14 "TAG PORT 1/14 VLAN 969"
vlan 870 802.1q 1/15 "TAG PORT 1/15 VLAN 870"
vlan 969 802.1q 1/15 "TAG PORT 1/15 VLAN 969"
vlan 870 802.1q 1/16 "TAG PORT 1/16 VLAN 870"
vlan 969 802.1q 1/16 "TAG PORT 1/16 VLAN 969"
vlan 870 802.1q 1/17 "TAG PORT 1/17 VLAN 870"
vlan 969 802.1q 1/17 "TAG PORT 1/17 VLAN 969"
vlan 870 802.1q 1/18 "TAG PORT 1/18 VLAN 870"
vlan 969 802.1q 1/18 "TAG PORT 1/18 VLAN 969"
vlan 870 802.1q 1/19 "TAG PORT 1/19 VLAN 870"
vlan 969 802.1q 1/19 "TAG PORT 1/19 VLAN 969"
vlan 870 802.1q 1/20 "TAG PORT 1/20 VLAN 870"
vlan 969 802.1q 1/20 "TAG PORT 1/20 VLAN 969"
vlan 870 802.1q 1/21 "TAG PORT 1/21 VLAN 870"
vlan 969 802.1q 1/21 "TAG PORT 1/21 VLAN 969"
vlan 870 802.1q 1/22 "TAG PORT 1/22 VLAN 870"
vlan 969 802.1q 1/22 "TAG PORT 1/22 VLAN 969"
vlan 870 802.1q 1/23 "TAG PORT 1/23 VLAN 870"
vlan 969 802.1q 1/23 "TAG PORT 1/23 VLAN 969"
vlan 870 802.1q 1/24 "TAG PORT 1/24 VLAN 870"
vlan 969 802.1q 1/24 "TAG PORT 1/24 VLAN 969"
vlan 870 802.1q 1/26 "TAG PORT 1/26 VLAN 870"
vlan 969 802.1q 1/26 "TAG PORT 1/26 VLAN 969"

I want to change port 1/10 from trunk to access vlan 870, but I not yet solved this problem.
If I tried: vlan 870 port default 1/10 > error notification "ERROR: Default vlan 870 change conflicts with existing tag on port 1/10.
Any one help me. thanks be for.

regards,

indi60

[jpissot]

Hi,

Firstly :
vlan 870 no 802.1q 1/10

Secondly :
vlan 870 port default 1/10

Bye

[indi60]

Successfull...
Thanks so much Mr jpissot.