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Cisco Bug: CSCuq82625 - Eigrp classic/wide metric count incorrect leading to incorrect updates

Last Modified

Sep 10, 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


Description (partial)

EIGRP Router configured with wide metric updates ("metric version 64bit")
is sending classic updates, which will be ignored by peer. Peer will 
no longer add routes from that peer.

- Have configured "metric version 64bit" for the EIGRP process. 
- Have invalid values for "classic / wide metric" peers in "show eigrp interface"
to where the # of classic peers is > then the number of total peers.

n7k1-1# sh ip eigrp interfaces
IP-EIGRP interfaces for process 100 VRF default

                        Xmit Queue   Mean   Pacing Time   Multicast    Pending
Interface        Peers  Un/Reliable  SRTT   Un/Reliable   Flow Timer   Routes
Eth1/25            2        0/0         1       0/0         50             0
  Hello interval is 5 sec
  Holdtime interval is 15 sec
  Next xmit serial <none>
  Un/reliable mcasts: 0/7  Un/reliable ucasts: 36/44
  Mcast exceptions: 6  CR packets: 5  ACKs suppressed: 4
  Retransmissions sent: 15  Out-of-sequence rcvd: 11
  Authentication mode is not set
  Use multicast
  Classic/wide metric peers: 3/-1 <<<<<<<<<<<<  We cannot have 3 classic peers if we only have a total of 2 peers.
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