多运营商接入，交换机配置问题？

有个问题请教兄弟们，我们现在出口就一根电信的宽带，因为防火墙有主备所以前面增加了一台华三交换机 ，交换机40口接的电信的进线 ，45、46分别接防火墙主备。现在还想增加一条联通或着电信的宽带，这个交换机上还需要配置嘛？交换机配置如下   

<H3C>display current-configuration

#

 version 7.1.070, Release 6126P20

#

 sysname H3C

#

 irf mac-address persistent timer

 irf auto-update enable

 undo irf link-delay

 irf member 1 priority 1

#

 lldp global enable

#

 password-recovery enable

#

vlan 1

#

vlan 10

#

vlan 20

#

 stp global enable

#

interface NULL0

#

interface GigabitEthernet1/0/1

#

interface GigabitEthernet1/0/2

#

interface GigabitEthernet1/0/3

#

interface GigabitEthernet1/0/4

#

interface GigabitEthernet1/0/5

#

interface GigabitEthernet1/0/6

#

interface GigabitEthernet1/0/7

#

interface GigabitEthernet1/0/8

#

interface GigabitEthernet1/0/9

#

interface GigabitEthernet1/0/10

#

interface GigabitEthernet1/0/11

#

interface GigabitEthernet1/0/12

#

interface GigabitEthernet1/0/13

#

interface GigabitEthernet1/0/14

#

interface GigabitEthernet1/0/15

#

interface GigabitEthernet1/0/16

#

interface GigabitEthernet1/0/17

#

interface GigabitEthernet1/0/18

#

interface GigabitEthernet1/0/19

#

interface GigabitEthernet1/0/20

#

interface GigabitEthernet1/0/21

#

interface GigabitEthernet1/0/22

#

interface GigabitEthernet1/0/23

#

interface GigabitEthernet1/0/24

#

interface GigabitEthernet1/0/25

#

interface GigabitEthernet1/0/26

#

interface GigabitEthernet1/0/27

#

interface GigabitEthernet1/0/28

#

interface GigabitEthernet1/0/29

#

interface GigabitEthernet1/0/30

#

interface GigabitEthernet1/0/31

#

interface GigabitEthernet1/0/32

#

interface GigabitEthernet1/0/33

#

interface GigabitEthernet1/0/34

#

interface GigabitEthernet1/0/35

#

interface GigabitEthernet1/0/36

#

interface GigabitEthernet1/0/37

#

interface GigabitEthernet1/0/38

#

interface GigabitEthernet1/0/39

#

interface GigabitEthernet1/0/40

#

interface GigabitEthernet1/0/41

#

interface GigabitEthernet1/0/42

#

interface GigabitEthernet1/0/43

#

interface GigabitEthernet1/0/44

#

interface GigabitEthernet1/0/45

#

interface GigabitEthernet1/0/46

#

interface GigabitEthernet1/0/47

#

interface GigabitEthernet1/0/48

#

interface GigabitEthernet1/0/49

#

interface GigabitEthernet1/0/50

#

interface GigabitEthernet1/0/51

#

interface GigabitEthernet1/0/52

#

 scheduler logfile size 16

#

line class aux

 user-role network-admin

#

line class vty

 user-role network-operator

#

line aux 0

 user-role network-admin

#

line vty 0 63

 user-role network-operator

#

radius scheme system

 user-name-format without-domain

#

domain system

#

 domain default enable system

#

role name level-0

 description Predefined level-0 role

#

role name level-1

 description Predefined level-1 role

#

role name level-2

 description Predefined level-2 role

#

role name level-3

 description Predefined level-3 role

#

role name level-4

 description Predefined level-4 role

#

role name level-5

 description Predefined level-5 role

#

role name level-6

 description Predefined level-6 role

#

role name level-7

 description Predefined level-7 role

#

role name level-8

 description Predefined level-8 role

#

role name level-9

 description Predefined level-9 role

#

role name level-10

 description Predefined level-10 role

#

role name level-11

 description Predefined level-11 role

#

role name level-12

 description Predefined level-12 role

#

role name level-13

 description Predefined level-13 role

#

role name level-14

 description Predefined level-14 role

#

user-group system

#

return

<H3C>