Cisco Cisco IOS Software Release 15.0(1)M
207
OL-20799-01 Rev. L0
Caveats
•
CSCth59217
Symptoms: Firewall sessions are not seen when ZBFW and gatekeeper are configured on the UUT.
Conditions: This symptom is observed when ZBFW and gatekeeper are configured on the UUT.
Workaround: There is no workaround.
•
CSCth79353
Symptoms: A Cisco 3900 series router may experience a software-forced reload when running
Cisco IOS Release 15.0(1)M1.
Cisco IOS Release 15.0(1)M1.
Conditions: This symptom is observed when the router has a QoS policy attached to one of the LAN
interfaces. The QoS policy needs to match different ACLs and have shaping configured.
interfaces. The QoS policy needs to match different ACLs and have shaping configured.
Workaround: There is no workaround.
Resolved Caveats—Cisco IOS Release 15.0(1)M2
Cisco IOS Release 15.0(1)M2 is a rebuild release for Cisco IOS Release 15.0(1)M. The caveats in this
section are resolved in Cisco IOS Release 15.0(1)M2 but may be open in previous Cisco IOS releases.
section are resolved in Cisco IOS Release 15.0(1)M2 but may be open in previous Cisco IOS releases.
•
CSCek78031
Symptoms: Some BGP routes are missing from RIB so packets cannot reach the destination.
Conditions: A connected route covers the BGP route in question, but the connected route is less
specific than some other route that is also in the RIB. It leads to BGP to have some prefixes’ next
hops inaccessible, and those prefixes are not installed in to RIB, therefore traffic is stopped.
specific than some other route that is also in the RIB. It leads to BGP to have some prefixes’ next
hops inaccessible, and those prefixes are not installed in to RIB, therefore traffic is stopped.
Workaround: There is no workaround.
•
CSCsk23520
Symptoms: One of the below symptoms could be seen because of this defect:
1.
Cisco 720x VXR or Cisco 7600 router might crash due to memory corruption or unknown reload
cause.
cause.
2.
Packet drops with MLP config with following traceback could be seen with below error
message:
message:
" %PPP-3-MLPFSREENTERED: Multilink fastsend reentered, bundle x (Springfield), packet
discarded, "
Conditions: The issue would be with Cisco 7200/7600 series installed with any of below
Port-Adaptors, under the conditions of heavy traffic, or reload with heavy traffic:
Port-Adaptors, under the conditions of heavy traffic, or reload with heavy traffic:
1.
DUAL_HSSI_B (PA-2H)
2.
E3_2PORT (PA-2E3)
3.
E3_1PORT (PA-E3)
4.
T3_2PORT_PLUS (PA-2T3+)
5.
T3_1PORT_PLUS (PA-T3+)
Workaround: No direct workaround for this issue with the affected PAs.
HW replacement options are shown below:
For PA-2T3+, PA-E3, PA-3E3 and PA-T3+, please migrate to PA-2T3/E3-EC or PA-T3/E3/-EC PAs
on Cisco 7200 and SPA-4XT3/E3 SPA for Cisco 7600.
on Cisco 7200 and SPA-4XT3/E3 SPA for Cisco 7600.
There is no HW replacement for PA-H and PA-2H.