MSR3610路由器，换专线IP问题

菜鸟一个，换了一个新的光纤专线不知道怎么把新IP替换旧的专线IP？ 旧网关：222.168.211.17   掩码：255.255.255.252   IP: 222.168.211.18

怎么用命令替换？还有怎么调整内网每个IP流量，谢谢大神们！

# qos policy policy

# policy-based-route server-out permit node 0

if-match acl 2000

apply next-hop 222.168.211.17

# controller Cellular0/0

# controller Cellular0/1

# interface Aux0

# interface NULL0

# interface GigabitEthernet0/0

port link-mode route

combo enable copper

ip address 192.168.11.1 255.255.255.0

tcp mss 1024

dhcp server apply ip-pool defaultpool

ip policy-based-route server-out

# interface GigabitEthernet0/1

port link-mode route

ip address dhcp-alloc

tcp mss 1024

nat outbound

# interface GigabitEthernet0/2

port link-mode route

ip address  222.168.211.18 255.255.255.252

tcp mss 1024

nat outbound

dhcp server apply ip-pool defaultpool

# route-policy server-out permit node 0

if-match ip address acl 2000

apply ip-address next-hop  222.168.211.17