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Cisco Bug: CSCvv33246 - DHCP Offer packet returns over the PMIP tunnel that received it on first place.

Last Modified

Aug 31, 2020

Products (1)

  • Cisco 1000 Series Integrated Services Routers

Known Affected Releases

16.9.3

Description (partial)

Symptom:
DHCP Offer is not reaching the hosts that are requesting a valid IP. The Offer coming from the Server over the PMIP tunnel is going out over the same tunnel(returning on Server direction) as broadcast. The broadcast packet should go out over the LAN interface that has the IP helper command but it is not happening.

Conditions:
- Having PMIP configured 
- IP helper command in interface and DHCP communication occuring across the tunnel
- Running IOS-XE code
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