Cisco 7600-ES20-GE3CXL-RF - Ethernet Services 20G Line Card Switch Uživatelský manuál stáhnout pdf (Strana 352)

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Caveats for Cisco IOS Release 12.2(33)SRD through 12.2(33)SRD8

OL-10394-05 Rev. R0

Conditions: The symptom is observed when removing the frame relay map on the active using the

no frame-relay vc-bundle command. The issue occurs because the frame relay map is removed in

active but not in standby due to a synchronization problem.

Workaround: There is no workaround.

• CSCso62526

Symptoms: Standby supervisor reloads after the interface configuration command no flow-sampler

<name> is used to remove flow sampler map.

Conditions: Occurs on a Cisco 7606s with two RSP720-3C-GE configured for normal use with

sampled NetFlow configured. To cause the issue, a sampler must be explicitly detached.

Workaround: There is no obvious workaround to the issue. To avoid the issue, avoid detaching the

sampled NetFlow.

• CSCso63263

Symptoms: The RP will start showing IPC-5-WATERMARK: 988 messages pending in xmt for the

port messages on the screen. The number of messages will change.

Conditions: The router has 275,000 i-BGP routes injected into the router. Among these routes,

100,000 are flapped continuously for one to one and half days. They are flapped every 10 sec. The

problem needs at least a days worth of time of continuous flapping.

Workaround: Stop the route flap. Although the messages will keep coming, there is no impact on

functionality. And they are bogus since they are originated from wrong count.

• CSCso63807

Symptoms: Packet loss when pinging an IP Address in a VPN routing/forwarding (VRF).

Conditions: This problem is seen on a Cisco 7600 after the VRF configuration on a port is rapidly

changed, such as the following example:

interface gi3.1.88 ip vrf forwarding aaaa ip vrf forwarding bbbb

Workaround: Delete the VRF with no ip vrf forwarding aaaa before changing the VRF under the

interface.

Further Problem Description: The VLAN RAM, which stores the VRF ID, is programmed wrong

when this issue is seen. This causes packet loss or packets to be punted to the RP to resolve the

conflict

• CSCso64050

Symptoms: Policy-map outputs are not seen in standby router. The policy is attached to the VC in

the standby, but no output is seen.

Conditions: The symptom is observed when an ATM PVC is created and a service policy is attached

to the PVC.

Workaround: There is no workaround.

• CSCso64104

Symptoms: A router may crash after applying the configurations related to PA- MC-2T3-EC

immediately after the router reloads.

Conditions: The symptom is observed on Cisco 7200 series and a 7301 router.

Workaround: Do not configure PA-MC-2T3-EC immediately after the router reloads.

• CSCso64422

Symptoms: Processing of certain external routes with EIGRP is incorrect.

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