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Cisco Bug: CSCvh63275 - Nexus3548 will stop redirecting ARP to CPU after configuring more than 63 ip dhcp relay address

Last Modified

Aug 13, 2019

Products (1)

  • Cisco Nexus 3000 Series Switches

Known Affected Releases

7.0(3)I7(2)

Description (partial)

Symptom:
Nexus3548 will stop redirecting ARP to CPU after configuring more than 63 ip dhcp helper address.

SW1(config-if)# interface vlan64
no shutdown
  ip access-group ACL_Test in
  no ip redirects
  ip address 192.168.64.2/24
  hsrp version 2
  hsrp 64 
    authentication text pass
    ip 192.168.64.1
  ip dhcp relay address 192.168.1.1 



SW1# show runn | inc "dhcp relay add" | wc -l
63


ERROR: Hardware programming failed. Reason: DHCP HW programing failed.
2001 Jan  2 18:46:20 SW1 %$ VDC-1 %$ %DHCP_SNOOP-2-HWPGMFAILURE: Hardware programming has failed:  0x4104000d (label allocation failure)

Conditions:
Nexus 3548 with NX-OS 7.0.3.I7.2 and 63+ SVI interfaces with "ip dhcp relay address "
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  • Full Description (including symptoms, conditions and workarounds)
  • Status
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