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FAQ-Address Assignment Fails Due to the Giadd Address Error in the DHCPR Packets Received by the ME60

Publication Date:  2012-07-27 Views:  31 Downloads:  0
Issue Description
 Q:
The ME60 functions as a DHCP relay server; the M switch of another vendor functions as a DHCP relay client. The attached PC fails to obtain an IP address through DHCP.
Networking diagram:
ME60 ----------- M switch -------------PC 

 
Alarm Information
 Null 

 
Handling Process
 A:
Run the debug dhcpr all command in the hidden view, and the command output includes the information: [ Giadd ]:10.6.0.1. However, the gateway in the address pool of the ME60 is set to 10.0.0.1. On the ME60, the Giadd address is required to be the same as the gateway address of the IP address pool. Otherwise, address assignment may fail.
[ DHCPR Receive from client ] : =====
[ Xid ]:1305728797
[ cmd ]:1
[ Htype ]:1
[ Hlen ]:6
[ Hops ]:1
[ Secs ]:768
[ Flag ]:0
[ Ciadd ]:0.0.0.0
[ Yiadd ]:0.0.0.0
[ Siadd ]:0.0.0.0
[ Giadd ]:10.6.0.1 chaddr:001c-2310-994b
[ Sname ]:
[ File ]:
[ Option ]:-----
Message type:DISCOVER
Option82 :RID:,CID:?

*2.2616326221 NMEDS-CMNET-ME60 DHCR/7/DCPRDBG:Get dhcp client packet from Interf
ace
*2.2616326221 NMEDS-CMNET-ME60 DHCR/7/DCPRDBG:
DHCPR ERR:Can’t find available server
*2.2616326221 NMEDS-CMNET-ME60 DHCR/7/DCPRDBG:
DHCPR ERR:DHCPR_ProClientPktFromInterface call DHCPR_GetServerAndGw failed
*2.2616326221 NMEDS-CMNET-ME60 DHCR/7/DCPRDBG:
DHCPR ERR: DHCPR_ProPkt call DHCPR_ProClientPkt failed 

 
Root Cause
 Null 

 
Suggestions
 Null 

 

END