dhcpclient DHCP-Vendor display problem

Chinnapaiyan, Nagamani Nagamani.Chinnapaiyan at viasat.com
Wed Dec 11 10:29:40 CET 2019


Hi,

I am using freeradius 4.0.x version.

The dhcpclient displays a truncated DHCP-Vendor option in reply packet. If I take a pcap it shows full DHCP-Vendor.
Server side:
(0)  Sending DHCP-Offer XID e7ef0a2f from 10.43.18.62:6767 to 10.43.18.44:6767 via eth1
...
(0)    DHCP-Vendor = 0x010300a0bc0209555400000000000007030e5554000000000000030703070016041155545f332e372e332e372e32322e62696e05040a4fff060c0200010e0100145e0100020103110500440044070043004301000201030606c0a86400180700500050010102010306070016001701010201060a000000080101020106ac1000000c0101020106c0a80000100101020106a9fe00001001010201067f00000008330c5554320000000000000029083b0e55543200000000000307030600003c115554325f332e372e332e362e302e62696e3d040a4fff06
...

Client side:
# /usr/bin/dhcpclient -i eth1 -x -f /opt/viasat/dhcp_fr_citests/dhcpclient-modem_discover.txt 10.43.18.62:6767
Sending DHCP-Discover Id e7ef0a2f from 0.0.0.0:6767 to 10.43.18.62:6767 length 322
...
...
Received DHCP-Offer Id e7ef0a2f from 10.43.18.62:6767 to 0.0.0.0:6767 via eth1 length 553
...
              DHCP-Vendor = 0x010300a0bc0209555400000000000007030e5554000000000000030703070016041155545f332e372e332e372e32322e62696e05040a4fff060c0200010e0100145e0100020103110500440044070043004301000201030606c0a86400180700500050010102010306070016001701010201060a000000
...

Regards,
Nagamani Chinnapaiyan



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