Cisco OL-4015-08 Bedienungsanleitung Seite 87

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Cross-Platform Release Notes for Cisco IOS Release 12.0S
OL-1617-14 Rev. Q0
Caveats
Resolved Caveats—Cisco IOS Release 12.0(33)S2
Output Queue / Local Output Queue Bundle: [0-7] output queue 0x4080 local output queue
0x9800 PLU leaf data: 0xE0000100 0x0285C008 0xA1020304 0xA5080000 Mask bits: 1 Origin
AS: 0 Source lookup drop: yes QOS group: 0 Traffic index: 0 Precedence not set Default
Route: yes PBR enabled: no
While the FIB was updated to the proper outgoing interface.
LAB_router_42# exec slot 4 show ip cef 10.1.1.1
========= Line Card (Slot 4) =========
0.0.0.0/0, version 38, epoch 0, cached adjacency 10.125.72.74 0 packets, 0 bytes Flow:
AS 0, mask 0 tag information from 10.38.192.6/32, shared, all rewrites owned local
tag: 34 via 192.168.225.0, 0 dependencies, recursive next hop 10.125.72.74,
GigabitEthernet5/0/0 via 192.168.225.0/24 (Default) <=== HERE valid cached adjacency
tag rewrite with Gi5/0/0, 10.125.72.74, tags imposed {} <=== HERE LAB_router_42#
Conditions: This symptom is observed when there is a default route configured while running
Cisco IOS Release 120(32)SY4 or 120(32)SY6 on Eng3.
Workaround: Enter clear ip route 0.0.0.0 or <default-network>.
CSCsr62931
Symptoms: Cisco 7500 and 10700 builds are breaking.
Conditions: The fix for CSCsq11643 is causing build breakage.
Workaround: There is no workaround.
CSCsr64998
Symptoms: Low BGP keepalive timer sessions flap too often during periods of high CPU utilization.
Conditions: This symptom is observed when low BGP keepalive timers are set (for example, 20/60,
10/30, 1/3). This symptom is specific to Cisco IOS Release 12.0S and 12.4T.
Workaround: Do not configure very aggressive BGP keepalive timers. Also, try not to overload the
CPU.
CSCsr65767
Symptoms: MVPN traffic is being punted to the slowpath for packets that have a size ranging from
1476 to 1500 (minimum IP MTU of the outgoing interfaces is 1500).
Packets that have a size ranging from 1476 to 1500 are being punted to the slowpath, which is not
required. During the fragmentation check, we should check the packet size with:
1) Minimum IP MTU of customer-facing interfaces.
2) Minimum IP MTU of core-facing interfaces - gre header (24).
If the size is greater than the above value, then only the packet should be punted to the slowpath for
fragmentation.
Conditions: This issue applies to the MVPN on the Cisco 12000 series Internet router with an E5
line card as the egress line card. The issue is not seen with an E3 line card.
Workaround: There is no workaround.
CSCsr70530
Symptoms: A line card crashes.
Conditions: This symptom is observed after members of the MLPPP are swapped from one bay to
another bay and vice-versa on the same line card.
Workaround: There is no workaround.
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