147
processed as follows:
* If the DHCP packet is a reply packet from a DHCP server, the packet
is dropped.
* If the DHCP packet is from a client, such as a DISCOVER, REQUEST
INFORM, DECLINE or RELEASE message, the packet is forwarded if
MAC address verification is disabled. However, if MAC address
verification is enabled, then the packet will only be forwarded if the
client’s hardware address stored in the DHCP packet is the same as
the source MAC address in the Ethernet header.
* If the DHCP packet is not a recognizable type, it is dropped.
-
If a DHCP packet from a client passes the filtering criteria above, it
will only be forwarded to trusted ports in the same VLAN.
-
If a DHCP packet is from server is received on a trusted port, it will
be forwarded to both trusted and un-trusted ports in the same VLAN.
3-17-3. DHCP Snooping Client
Function name:
DHCP Snooping Client
Function description:
To show the DHCP snooping client.
Fig. 3-17-2 DHCP Snooping Client
Parameter description:
MAC
:
To show the DHCP snooping client’s MAC address.
VID
:
To show the DHCP snooping client’s VLAN ID.
Port
:
To show the DHCP snooping client’s port.
IP
:
To show the DHCP snooping client’s IP address.
Lease
:
To show the DHCP snooping client’s lease.
Summary of Contents for L2 Plus
Page 1: ......
Page 2: ......
Page 3: ...16 Port SFP 8 Port Combo GbE L2 Plus Managed Switch...
Page 4: ...2...
Page 36: ...34 Fig 2 15 Office Network Connection Fig 2 14 Peer to peer Network Connection...
Page 56: ......
Page 78: ...22 Fig 3 24...
Page 81: ...25 Fig 3 26...
Page 88: ...32 Fig 3 31...
Page 96: ...40 Fig 3 39 Fig 3 40 Fig 3 41...
Page 112: ...56 Fig 3 62 Set up VLAN Tag Priority Mapping Finish...
Page 119: ...63 Fig 3 67 Ingress Port Fig 3 68...
Page 121: ...65 Fig 3 70...
Page 122: ...66 Fig 3 71 Fig 3 72 Fig 3 73 ARP...
Page 123: ...67 Fig 3 74 ARP Fig 3 75 ARP Fig 3 76 ARP Fig 3 77 ARP...
Page 124: ...68 Fig 3 78 ARP Fig 3 79 ARP Fig 3 80 ARP Fig 3 81 ARP...
Page 125: ...69 Fig 3 82 ARP Fig 3 83 ARP Fig 3 84 ARP Fig 3 85 ARP Fig 3 86 ARP...
Page 126: ...70 Fig 3 87 IPv4 Fig 3 88 IPv4 Fig 3 89 IPv4...
Page 127: ...71 Fig 3 90 IPv4 Fig 3 91 IPv4 Fig 3 92 IPv4 Fig 3 93 IPv4 Fig 3 94 IPv4...
Page 128: ...72 Fig 3 95 IPv4 Fig 3 96 IPv4 Fig 3 97 IPv4 Fig 3 98 IPv4 Fig 3 99 IPv4...
Page 129: ...73 Fig 3 100 IPv4 Fig 3 101 IPv4 Fig 3 102 IPv4...
Page 130: ...74 Fig 3 103 IPv4 Fig 3 104 IPv4 Fig 3 105 IPv4...
Page 131: ...75 Fig 3 106 IPv4 Fig 3 107 IPv4 Fig 3 108 IPv4...
Page 132: ...76 Fig 3 109 IPv4 Fig 3 110 IPv4 Fig 3 111 IPv4...
Page 133: ...77 Fig 3 112 IPv4 Fig 3 113 IPv4 Fig 3 114 IPv4...
Page 134: ...78 Fig 3 115 IPv4 Fig 3 116 IPv4 Fig 3 117 Action...
Page 135: ...79 Fig 3 118 Rate Limiter Fig 3 119 Port Copy...
Page 136: ...80 Fig 3 120 DMAC Filter Fig 3 121 VLAN ID Filter Fig 3 122 VLAN ID Filter...
Page 148: ...92 Fig 3 125 Set up Policy Rules Fig 3 126 Set up Policy Rules Fig 3 127 Set up Policy Rules...
Page 150: ...94 Fig 3 131 Set up Port Policies Fig 3 132 Set up Port Policies Finish...
Page 164: ...108 Fig 3 143 802 1X Server Configuration...
Page 168: ...112 Fig 3 145 802 1X Status...
Page 194: ...138 Fig 3 161 Mirror Configuration...
Page 214: ...158 Fig 4 1 Fig 4 2 LGB1005A R2 LGB1005A R2 LGB1005A R2 LGB1005A R2...