Cisco Bug: CSCup05138 - CPU generated traffic being sent to DEST INDEX:0 and dropped after ISSU
Last Modified
Dec 06, 2019
Products (8)
- Cisco Nexus 7000 Series Switches
- Cisco Nexus 7000 10-Slot Switch
- Cisco Nexus 7000 4-Slot Switch
- Cisco Nexus 7700 6-Slot Switch
- Cisco Nexus 7700 18-Slot Switch
- Cisco Nexus 7000 18-Slot Switch
- Cisco Nexus 7000 9-Slot Switch
- Cisco Nexus 7700 10-Slot Switch
Known Affected Releases
6.2(10) 6.2(20) 6.2(6a)
Description (partial)
Symptom: CPU generated traffic such as HSRP and ARP getting dropped and not making to the forwarding egress line card. When capturing the HSRP or ARP packets via ethanalyzer, we can see it is has set the NXOS DEST INDEX: 0 as follows. METMXC2(config)# ethanalyzer local interface inband decode-internal capture-fi "host 10.47.25.4 and host 224.0.0.102" det Capturing on inband NXOS Protocol NXOS VLAN: 247 NXOS SOURCE INDEX: 1054 NXOS DEST INDEX: 0 Conditions: HSRP state is Unknown and ARP is incomplete .
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Bug Details Include
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