6
6 Layer2 Switch .................................................................................................................................................33
6.1 Port .............................................................................................................................................................33
6.2 RSTP ..........................................................................................................................................................35
6.3 Port Security ............................................................................................................................................. 37
6.4 802.1x ........................................................................................................................................................38
6.5 Mac Address ...............................................................................................................................................39
7 Network ...............................................................................................................................................................42
7.1 VLAN ........................................................................................................................................................42
7.2 Cellular Port ............................................................................................................................................ 44
7.3 Loopback ..................................................................................................................................................46
7.4 DHCP Service .......................................................................................................................................... 47
7.5 DNS service .............................................................................................................................................48
7.6 DDNS ........................................................................................................................................................49
8 Link Backup .......................................................................................................................................................51
8.1 SLA ............................................................................................................................................................51
8.2 Track Module ...........................................................................................................................................52
8.3 VRRP .........................................................................................................................................................53
8.4 Interface Backup .....................................................................................................................................56
9 Routing ................................................................................................................................................................58
9.1 Static Route ..............................................................................................................................................58
9.2 Dynamic Routing ....................................................................................................................................59
10 Firewall ............................................................................................................................................................. 67
10.1 Access Control....................................................................................................................................... 67
10.2 NAT .........................................................................................................................................................68
11 QOS ................................................................................................................................................................... 70
11.1 Layer 2 QOS .......................................................................................................................................... 70