Cisco 7600-ES20-GE3CXL-RF - Ethernet Services 20G Line Card Switch Manual de usuario Pagina 390

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836
Caveats for Cisco IOS Release 12.2(33)SRD through 12.2(33)SRD8
OL-10394-05 Rev. R0
Workaround: Ensure that when the IPv6 router is configured it runs properly (if it does not start,
there is a warning printed on the console advising what action to take).
CSCsr67289
Symptoms: Router hangs when online insertion and removal (OIR) is performed.
Conditions: Occurs after changing the interface bandwidth followed by an OIR operation.
Workaround: Stop traffic before making these changes.
CSCsr72810
Symptoms: Unidirectional traffic is dropped when the PBR is configured with "set vrf" option
between global and VPN routing/forwarding (VRF).
Conditions: Occurs under the following scenario:
- When PBR is configured with "set vrf" option between global and VRF
- The router is running Cisco IOS Release 12.2(33)SRC1.
Workaround: Configure the PBR with "set vrf" option among VRFs.
CSCsr74002
Symptoms: In some scenarios, UDLD packets received on a dot1q tunnel port in a VLAN where a
Virtual Private LAN Services (VPLS) VFI is attached may be flooded to the VPLS VLAN without
being processed locally. This may lead to port being err-disabled.
Conditions: Occurs when some port configured as dot1qtunnel port in the VPLS VLAN. It will not
process the received UDLD packet on those tunnel ports and will instead send them to the VPLS. If
the VLAN interface with the VFI is shutdown, UDLD is processed normally.
Workaround: Disable UDLD or enable spanning-tree in vfi vlan.
CSCsr74295
Symptoms: Upon reload, static routes pointing to MLPPP interfaces do not get inserted in the RIB.
Example: ip route 172.16.2.2 255.255.255.255 multilink22
Conditions: Occurs in a router running Cisco IOS Release 12.2(33)SRC1.
Workaround: Reconfigure the static routes being affected, or simply configure copy run start to
initialize the routes.
CSCsr76733
Symptoms: When hardware EoMPLS is configured on Port-channel sub interface, traffic is not
forwarded.
Conditions: This is seen only when the member links of the port-channel are ES20 interfaces.
Workaround: There is no workaround.
CSCsr82003
Symptoms: With a setup that has two routers receiving the same 300 multicast traffic from a video
headend, if one of the links to the headend fails, about half of the multicast groups are blacked out
as the RPF information for some of the sources is set wrong. Additionally, if both of the links are
lost, we still have entries in the multicast routing table as the alternate route is used as the traffic
incoming interface.
The IGP is OSPF, with area0 in the core, and area 1 (to be set to stub soon) on the headend
connecting links. There is MPLS TE with multicast-intact command under OSPF on the routers.
Conditions: The problem happens when one of the headend connecting links is lost.
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