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RH2288H V3 PXE boot failed

Publication Date:  2017-12-28 Views:  389 Downloads:  0
Issue Description
Server : RH2288H V3
the other one server : HP ProLiant DL380 Gen7
Switch : Cisco switch WS-C2960G-24TC-L
PXE server : the PXE server is a vm , the vm running on Apache-openstack , the Apache-openstack be installed on HP server(HP ProLiant DL380 Gen7) 
PXE server OS : CentOS 7.3 
Issue Description : the RH2288H v3 connet onboard NIC , the NIC model is SM211(intel i350), it was failed when boot from PXE , it can't get the DHCP ip. but the HP server use the same cable and same port on switch , it was successful .

Alarm Information

NO DHCP or NO proxyDHCP offers were received

Handling Process

1. check the BIOS setting , make sure the PXE function had enable .

2. change the NIC port , it still can't boot successful .

3. RH2288H V3 install centos 7.3 and enable DHCP , the RH2288H V3 can get the IP .

4. replace the cisco switch to Huawei switch , it was successful when boot from PXE .

5. capture messages on switch when connect to HP server and Huawei RH server respectively . capture messages on switch port17 and port7 at the same time .



6. we analyze the message , we found that Huawei RH2288H V3 server message just into  the cisco switch , but didn't come out the cisco switch .


7. the RH2288H V3 discover message was lost in cisco switch .

8. check the cisco switch setting . check the cisco switch whether enable the portfast function. 

Root Cause

the cisco need to enable the portfast function

Solution

refer to the csico documentation enable "portfast"  : http://www.cisco.com/en/US/products/hw/switches/ps708/products_tech_note09186a00800b1500.shtml

END

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