Cisco 7600-ES20-GE3CXL-RF - Ethernet Services 20G Line Card Switch Manual de usuario descargar pdf (Pagina 95)

541

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

OL-10394-05 Rev. R0

Conditions: A Cisco 7600 running Cisco IOS Release 12.2(33)SRB2 and 12.2(33)SRB3 with

Multilink interface configured for CBWFQ QOS policy will suspend policy and display error

message similar to the above if service-policy is applied to Multilink interface at time of route

Workaround: Load router with no service-policies applied and apply them after router is up.

• CSCsx03301

Symptoms: Crash in TCP.

Conditions: Happens when clearing a BGP neighbor. The trigger is uncertain and hard to reproduce.

Workaround: There is no workaround.

• CSCsx07159

Symptoms: A policy-map is applied to an interface on ESM20G card and has a random-detect

aggregate action configured in a class. If another class is added to the policy-map which has match

statement as "match cos <cos-value>", this class gets added. Now if random-detect aggregate is

removed from the previous class, an error message is dumped on screen :

’match cos’ combined with other match statements at the same class level is not supported for this

interface.

If random-detect action is added to this class, router crashes.

Conditions: Occurs with the following configuration:

policy-map PMAP_UPLINKS

class CMAP-RT-COS (match cos <vaue>)

class CMAP-BC-EXP

no random-detect aggregate

random-detect -----> (CRASH)

Workaround: Do not add a class-map with "match cos" filter to a policy-map which conflicts with

other class-map filters.

• CSCsx07537

Symptoms: Delay in bootup time of the line cards occurs during reload with diags enabled. Issue not

seen when diags are disabled.

Conditions: There is no specific configuration or traffic combination that will trigger this issue.

Issue seen with or without any Ethernet Virtual Circuit (EVC) configs or traffic conditions.

Workaround: Disable bootup diags or power down the 6748-GE-TX card

• CSCsx08861

Symptoms: ATOM VC status is seen as down in standby RP and traffic loss is seen after switchover

for 44 seconds.

Conditions:

1. Bring 6RU up (SSO) with 1 AToM VC, 1 AToM VP (Initial VC state: active:UP;

standby:HOTSTANDBY)

2. Delete the AToM VC sub-int (’no int a2/2/0.122’) and delete the AToM VP sub-int (’no int

a2/2/0.1001’)

3. Re-configure back the same AToM VC and VP configuration (VC state: Active:UP;

Standby:DOWN for AToM VC)

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