182
3-17-2. DHCP Snooping Entry
Function name:
DHCP Snooping Entry
Function description:
DHCP snooping Entry allows a switch to add the an trust DHCP server and 2
trust port to build the DHCP snooping available entry. This information can be
useful in tracking an IP address back to a physical port and enable or disable
the DHCP Option 82.
Fig. 3-17-1 DHCP Snooping State
Parameter description:
VID
：
When DHCP snooping is enabled, and enabled on the specified
VLAN, DHCP packet filtering will be performed on any un-trusted
ports within the VLAN. It set a available VLAN ID to enable the DHCP
snooping on VLAN interface.
Trust Port 1
：
If DHCP snooping is enabled globally, and also enabled on
the VLAN where the DHCP packet is received, all DHCP packets are
forwarded for a trusted por. It set a trust port 1. available port from 0
to 24. 0 is disabled.
Trust port 2 :
It set a trust port 2. available port from 0 to 24. 0 is disabled.
Trust VID
：
It set a trust VLAN ID. available VID from 1 to 4094.
Server IP
：
It set a trust DHCP Server IP address for DHCP Snooping.
Option 82
：
It set the DHCP Option 82 function on the switch, default is
Disable.
Action
：
It set the switch when received a client DHCP request packet then
action for filtering. available action : keep/ drop / replace.
Note
：
Filtering rules are implemented as follows:
-
If the DHCP snooping is disabled, all DHCP packets are forwarded.
-
If DHCP snooping is enabled and also enabled on the VLAN where
the DHCP packet is received, all DHCP packets are forwarded for a
trusted port.
-
If DHCP snooping is enabled and also enabled on the VLAN where
the DHCP packet is received, but the port is not trusted, it is
Содержание GS-2224L
Страница 1: ......
Страница 2: ......
Страница 34: ...24 Fig 2 15 Office Network Connection Fig 2 14 Peer to peer Network Connection ...
Страница 78: ...68 Fig 3 28 ...
Страница 83: ...73 Fig 3 31 ...
Страница 91: ...81 Fig 3 39 Fig 3 40 Fig 3 41 ...
Страница 103: ...93 Fig 3 54 Set up Typical Network Application Rules Finish Fig 3 55 Set up Typical Network Application Rules Finish ...
Страница 113: ...103 Fig 3 67 Ingress Port Fig 3 68 ...
Страница 115: ...105 Fig 3 71 Fig 3 72 Fig 3 73 ARP Fig 3 74 ARP ...
Страница 116: ...106 Fig 3 75 ARP Fig 3 76 ARP Fig 3 77 ARP Fig 3 78 ARP ...
Страница 117: ...107 Fig 3 79 ARP Fig 3 80 ARP Fig 3 81 ARP Fig 3 82 ARP ...
Страница 118: ...108 Fig 3 83 ARP Fig 3 84 ARP Fig 3 85 ARP Fig 3 86 ARP Fig 3 87 ARP ...
Страница 119: ...109 Fig 3 88 IPv4 Fig 3 89 IPv4 Fig 3 90 IPv4 ...
Страница 120: ...110 Fig 3 91 IPv4 Fig 3 92 IPv4 Fig 3 93 IPv4 Fig 3 94 IPv4 Fig 3 95 IPv4 ...
Страница 121: ...111 Fig 3 96 IPv4 Fig 3 97 IPv4 Fig 3 98 IPv4 Fig 3 99 IPv4 Fig 3 100 IPv4 ...
Страница 122: ...112 Fig 3 101 IPv4 Fig 3 102 IPv4 Fig 3 103 IPv4 Fig 3 104 IPv4 ...
Страница 123: ...113 Fig 3 105 IPv4 Fig 3 106 IPv4 Fig 3 107 IPv4 ...
Страница 124: ...114 Fig 3 108 IPv4 Fig 3 109 IPv4 Fig 3 110 IPv4 Fig 3 111 IPv4 ...
Страница 125: ...115 Fig 3 112 IPv4 Fig 3 113 IPv4 Fig 3 114 IPv4 ...
Страница 126: ...116 Fig 3 115 IPv4 Fig 3 116 IPv4 Fig 3 117 IPv4 ...
Страница 127: ...117 Fig 3 118 Action Fig 3 119 Rate Limiter ...
Страница 128: ...118 Fig 3 120 Port Copy Fig 3 121 DMAC Filter ...
Страница 129: ...119 Fig 3 122 VLAN ID Filter Fig 3 123 VLAN ID Filter Fig 3 124 Tag Priority ...
Страница 141: ...131 Fig 3 126 Set up Policy Rules Fig 3 127 Set up Policy Rules Fig 3 128 Set up Policy Rules ...
Страница 142: ...132 Fig 3 129 Set up Policy Rules Finish Fig 3 130 Set up Port Policies Fig 3 131 Set up Port Policies ...
Страница 143: ...133 Fig 3 132 Set up Port Policies Fig 3 133 Set up Port Policies Finish ...
Страница 144: ...134 Fig 3 134 Set up Typical Network Application Rules Fig 3 135 Set up Typical Network Application Rules ...
Страница 150: ...140 Delete Select one of entry from the table then click on Delete to delete this entry Fig 3 143 ...
Страница 159: ...149 Fig 3 145 ...
Страница 204: ...194 Fig 4 1 Fig 4 2 ...
