DHCP Snooping
閰嶇疆
浠嬬粛
DHCP Snooping
鐨勫師鐞嗗拰閰嶇疆鏂规硶锛屽苟缁欏嚭閰嶇疆涓句緥銆?/p>
閰嶇疆
DHCP Snooping
鐨勬敾鍑婚槻鑼冨姛鑳界ず渚?/p>
缁勭綉闇�姹?/p>
濡?/p>
鍥?/p>
9-13
鎵�绀猴紝
SwitchA
涓?/p>
SwitchB
涓烘帴鍏ヨ澶囷紝
SwitchC
涓?/p>
DHCP
Relay
銆?/p>
Client1
涓?/p>
Client2
鍒嗗埆閫氳繃
GE0/0/1
涓?/p>
GE0/0/2
鎺ュ叆
SwitchA
锛?/p>
Client3
閫氳繃
GE0/0/1
鎺ュ叆
SwitchB
锛屽叾涓?/p>
Client1
涓?/p>
Client3
閫氳繃
DHCP
鏂瑰紡鑾峰彇
IPv4
鍦板潃锛?/p>
鑰?/p>
Client2
浣跨敤闈欐�侀厤缃殑
IPv4
鍦板潃銆?/p>
缃戠粶涓瓨鍦ㄩ潪娉曠敤鎴风殑鏀诲嚮瀵艰嚧鍚堟硶鐢ㄦ埛涓嶈兘姝ｅ父鑾峰彇
IP
鍦板潃锛岀鐞嗗憳甯屾湜鑳藉闃叉缃戠粶
涓拡瀵?/p>
DHCP
鐨勬敾鍑伙紝涓?/p>
DHCP
鐢ㄦ埛鎻愪緵鏇翠紭璐ㄧ殑鏈嶅姟銆?/p>
鍥?/p>
9-13
閰嶇疆
DHCP Snooping
鐨勬敾鍑婚槻鑼冨姛鑳界粍缃戝浘
閰嶇疆鎬濊矾
閲囩敤濡備笅鐨勬�濊矾鍦?/p>
SwitchC
涓婅繘琛岄厤缃�?/p>
1.
浣胯兘
DHCP Snooping
鍔熻兘骞堕厤缃澶囦粎澶勭悊
DHCPv4
鎶ユ枃銆?/p>
2.
閰嶇疆鎺ュ彛鐨勪俊浠荤姸鎬侊紝浠ヤ繚璇佸鎴风浠庡悎娉曠殑鏈嶅姟鍣ㄨ幏鍙?/p>
IP
鍦板潃銆?/p>
3.
浣胯兘
ARP
涓?/p>
DHCP Snooping
鐨勮仈鍔ㄥ姛鑳斤紝淇濊瘉
DHCP
鐢ㄦ埛鍦ㄥ紓甯镐笅绾挎椂瀹炴椂鏇存柊
缁戝畾琛ㄣ�?/p>
4.
浣胯兘鏍规嵁
DHCP Snooping
缁戝畾琛ㄧ敓鎴愭帴鍙ｇ殑闈欐�?/p>
MAC
琛ㄩ」鍔熻兘锛屼互闃叉闈?/p>
DHCP
鐢ㄦ埛鏀诲嚮銆?/p>
5.
浣胯兘瀵?/p>
DHCP
鎶ユ枃杩涜缁戝畾琛ㄥ尮閰嶆鏌ョ殑鍔熻兘锛岄槻姝豢鍐?/p>
DHCP
鎶ユ枃鏀诲嚮銆?/p>
