ip helper address issue

해당 switch log

-Process= "IP Input", ipl= 0, pid= 157
-Traceback= CCA3E0 CCA684 CCC2F4 CCCF84 CCABF4 CBA238 CBA6F4 CB947C CB96E0 CB99A4 975510 96CAE4
Jun 29 15:45:28 KST: %IP-3-LOOPPAK: Looping packet detected and dropped -
src=x.x.x.x, dst=y.y.y.y, hl=20, tl=78, prot=17, sport=137, dport=137
in=Vlan174, nexthop=z.z.z.z, out=Vlan174
options=none

- ip helper address mis-config
- http://www.ietf.org/rfc/rfc2131.txt
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