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Cisco Bug: CSCul02052 - ASA fails to set forward address in OSPF route redistrubution

Last Modified

Apr 16, 2020

Products (1)

  • Cisco ASA 5500-X Series Firewalls

Known Affected Releases

9.0(2)

Description (partial)

Symptom:
Re-distribution of connected routes does not work.

The output of the command "show ospf database nssa-external" shows the forward address being set to 0.0.0.0 rather than the router id of the firewall.

TEST-FE-ASA-UC1/uc1/pri/act# show ospf database nssa-external 10.116.11.32


       OSPF Router with ID (10.116.11.4) (Process ID 100)


                Type-7 AS External Link States (Area 10.116.11.0)

  LS age: 82
  Options: (No TOS-capability, Type 7/5 translation, DC)
  LS Type: AS External Link
  Link State ID: 10.116.11.32 (External Network Number )
  Advertising Router: 10.116.11.4
  LS Seq Number: 8000070a
  Checksum: 0xeb6a
  Length: 36
  Network Mask:255.255.255.248
        Metric Type: 2 (Larger than any link state path)
        TOS: 0
        Metric: 20
        Forward Address: 0.0.0.0
        External Route Tag: 0

Conditions:
++ ASA with OSPF enabled and a part of NSSA
++ Connected routes on ASA are being distributed.
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