javadezati
March 27th, 2015, 02:29
سلام
همکاران عزیز سرور هلند ما در طول یکسال
3 بار از شبکه خارج شده است
همش هم به دلیل اخطار dhcp
تصمیم گرفتیم یک روتر جهت جلوگیری از این مشکل نصب کنیم
روتر خود ما متاسفانه مشکل مصرف سی پی یو بالا داره
و تقریبا از دور خارج شده و ما به یک کانفیگ کننده حرفه ای احتیاج داریم
تا بتونه جلوی انواع ابیوز و پورتهای مخرب رو بگیره(با مصرف کم سی پی یو)
در سرورهای هلند و آمریکا روتر نصب خواهد شد
هر کسی از همکاران میتونه بنده در خدمت هستم
مشخصات در امضاء هست جهت تماس با ما
یا همینجا اعلام کنید ما تماس بگیریم با شما
این هم متن همه اخطارهای dhcp که توسط دیتاسنتر اکاتل داشتیم
با تشکر
Date Posted
Comment
created: Mar/24/2015 5:42:07PM
by: rein
again a bogus dhcp server
/dhtest -m 00:00:11:22:33:49 -i vlan688 -V
DHCP discover sent - Client MAC : 00:00:11:22:33:49
DHCP offer received - Offered IP : 192.168.30.11
DHCP offer details
----------------------------------------------------------
DHCP offered IP from server - 192.168.30.11
Next server IP(Probably TFTP server) - 192.168.30.1
DHCP server - 192.168.30.1
Lease time - 0 Days 2 Hours 0 Minutes
Subnet mask - 255.255.255.0
Router/gateway - 192.168.30.1
DNS server - 8.8.8.8
DNS server - 4.2.2.4
----------------------------------------------------------
DHCP request sent - Client MAC : 00:00:11:22:33:49
DHCP ack received - Acquired IP: 192.168.30.11
DHCP ack details
----------------------------------------------------------
DHCP offered IP from server - 192.168.30.11
Next server IP(Probably TFTP server) - 192.168.30.1
DHCP server - 192.168.30.1
Lease time - 0 Days 2 Hours 0 Minutes
Subnet mask - 255.255.255.0
Router/gateway - 192.168.30.1
DNS server - 8.8.8.8
DNS server - 4.2.2.4
----------------------------------------------------------
created: Nov/28/2014 11:18:20AM
by: Reinier Van Eeden
same issue again !!!!
DHCP discover sent - Client MAC : 00:00:11:22:33:44
DHCP offer received - Offered IP : 192.168.30.11
DHCP offer details
----------------------------------------------------------
DHCP offered IP from server - 192.168.30.11
Next server IP(Probably TFTP server) - 192.168.30.1
DHCP server - 192.168.30.1
Lease time - 0 Days 2 Hours 0 Minutes
Subnet mask - 255.255.255.0
Router/gateway - 192.168.30.1
DNS server - 192.168.30.1
----------------------------------------------------------
DHCP request sent - Client MAC : 00:00:11:22:33:44
DHCP ack received - Acquired IP: 192.168.30.11
DHCP ack details
----------------------------------------------------------
DHCP offered IP from server - 192.168.30.11
Next server IP(Probably TFTP server) - 192.168.30.1
DHCP server - 192.168.30.1
Lease time - 0 Days 2 Hours 0 Minutes
Subnet mask - 255.255.255.0
Router/gateway - 192.168.30.1
DNS server - 192.168.30.1
----------------------------------------------------------
created: Nov/23/2014 9:36:50AM
by: Reinier Van Eeden
server suspended for running illegal dhcp server on the ecatel network. assignging ips to other ecatel servers..
see below results en proof
DHCP discover sent - Client MAC : 00:00:11:22:33:44
DHCP offer received - Offered IP : 192.168.30.10
DHCP offer details
----------------------------------------------------------
DHCP offered IP from server - 192.168.30.10
Next server IP(Probably TFTP server) - 192.168.30.1
DHCP server - 192.168.30.1
Lease time - 0 Days 2 Hours 0 Minutes
Subnet mask - 255.255.255.0
Router/gateway - 192.168.30.1
DNS server - 192.168.30.1
----------------------------------------------------------
DHCP request sent - Client MAC : 00:00:11:22:33:44
DHCP ack received - Acquired IP: 192.168.30.10
DHCP ack details
----------------------------------------------------------
DHCP offered IP from server - 192.168.30.10
Next server IP(Probably TFTP server) - 192.168.30.1
DHCP server - 192.168.30.1
Lease time - 0 Days 2 Hours 0 Minutes
Subnet mask - 255.255.255.0
Router/gateway - 192.168.30.1
DNS server - 192.168.30.1
----------------------------------------------------------
? (192.168.30.1) at 00:ac:e0:a3:04:78 [ether] on vlan688
sh mac-address-table address 00:ac:e0:a3:04:78
Legend: * - primary entry
age - seconds since last seen
n/a - not available
vlan mac address type learn age ports
------+----------------+--------+-----+----------+--------------------------
Module 1[FE 1]:
* 688 00ac.e0a3.0478 static Yes - Gi7/17
Module 1[FE 2]:
* 688 00ac.e0a3.0478 static Yes - Gi7/17
همکاران عزیز سرور هلند ما در طول یکسال
3 بار از شبکه خارج شده است
همش هم به دلیل اخطار dhcp
تصمیم گرفتیم یک روتر جهت جلوگیری از این مشکل نصب کنیم
روتر خود ما متاسفانه مشکل مصرف سی پی یو بالا داره
و تقریبا از دور خارج شده و ما به یک کانفیگ کننده حرفه ای احتیاج داریم
تا بتونه جلوی انواع ابیوز و پورتهای مخرب رو بگیره(با مصرف کم سی پی یو)
در سرورهای هلند و آمریکا روتر نصب خواهد شد
هر کسی از همکاران میتونه بنده در خدمت هستم
مشخصات در امضاء هست جهت تماس با ما
یا همینجا اعلام کنید ما تماس بگیریم با شما
این هم متن همه اخطارهای dhcp که توسط دیتاسنتر اکاتل داشتیم
با تشکر
Date Posted
Comment
created: Mar/24/2015 5:42:07PM
by: rein
again a bogus dhcp server
/dhtest -m 00:00:11:22:33:49 -i vlan688 -V
DHCP discover sent - Client MAC : 00:00:11:22:33:49
DHCP offer received - Offered IP : 192.168.30.11
DHCP offer details
----------------------------------------------------------
DHCP offered IP from server - 192.168.30.11
Next server IP(Probably TFTP server) - 192.168.30.1
DHCP server - 192.168.30.1
Lease time - 0 Days 2 Hours 0 Minutes
Subnet mask - 255.255.255.0
Router/gateway - 192.168.30.1
DNS server - 8.8.8.8
DNS server - 4.2.2.4
----------------------------------------------------------
DHCP request sent - Client MAC : 00:00:11:22:33:49
DHCP ack received - Acquired IP: 192.168.30.11
DHCP ack details
----------------------------------------------------------
DHCP offered IP from server - 192.168.30.11
Next server IP(Probably TFTP server) - 192.168.30.1
DHCP server - 192.168.30.1
Lease time - 0 Days 2 Hours 0 Minutes
Subnet mask - 255.255.255.0
Router/gateway - 192.168.30.1
DNS server - 8.8.8.8
DNS server - 4.2.2.4
----------------------------------------------------------
created: Nov/28/2014 11:18:20AM
by: Reinier Van Eeden
same issue again !!!!
DHCP discover sent - Client MAC : 00:00:11:22:33:44
DHCP offer received - Offered IP : 192.168.30.11
DHCP offer details
----------------------------------------------------------
DHCP offered IP from server - 192.168.30.11
Next server IP(Probably TFTP server) - 192.168.30.1
DHCP server - 192.168.30.1
Lease time - 0 Days 2 Hours 0 Minutes
Subnet mask - 255.255.255.0
Router/gateway - 192.168.30.1
DNS server - 192.168.30.1
----------------------------------------------------------
DHCP request sent - Client MAC : 00:00:11:22:33:44
DHCP ack received - Acquired IP: 192.168.30.11
DHCP ack details
----------------------------------------------------------
DHCP offered IP from server - 192.168.30.11
Next server IP(Probably TFTP server) - 192.168.30.1
DHCP server - 192.168.30.1
Lease time - 0 Days 2 Hours 0 Minutes
Subnet mask - 255.255.255.0
Router/gateway - 192.168.30.1
DNS server - 192.168.30.1
----------------------------------------------------------
created: Nov/23/2014 9:36:50AM
by: Reinier Van Eeden
server suspended for running illegal dhcp server on the ecatel network. assignging ips to other ecatel servers..
see below results en proof
DHCP discover sent - Client MAC : 00:00:11:22:33:44
DHCP offer received - Offered IP : 192.168.30.10
DHCP offer details
----------------------------------------------------------
DHCP offered IP from server - 192.168.30.10
Next server IP(Probably TFTP server) - 192.168.30.1
DHCP server - 192.168.30.1
Lease time - 0 Days 2 Hours 0 Minutes
Subnet mask - 255.255.255.0
Router/gateway - 192.168.30.1
DNS server - 192.168.30.1
----------------------------------------------------------
DHCP request sent - Client MAC : 00:00:11:22:33:44
DHCP ack received - Acquired IP: 192.168.30.10
DHCP ack details
----------------------------------------------------------
DHCP offered IP from server - 192.168.30.10
Next server IP(Probably TFTP server) - 192.168.30.1
DHCP server - 192.168.30.1
Lease time - 0 Days 2 Hours 0 Minutes
Subnet mask - 255.255.255.0
Router/gateway - 192.168.30.1
DNS server - 192.168.30.1
----------------------------------------------------------
? (192.168.30.1) at 00:ac:e0:a3:04:78 [ether] on vlan688
sh mac-address-table address 00:ac:e0:a3:04:78
Legend: * - primary entry
age - seconds since last seen
n/a - not available
vlan mac address type learn age ports
------+----------------+--------+-----+----------+--------------------------
Module 1[FE 1]:
* 688 00ac.e0a3.0478 static Yes - Gi7/17
Module 1[FE 2]:
* 688 00ac.e0a3.0478 static Yes - Gi7/17