Cisco SCE 2000 4/8xFE Bedienungsanleitung PDF herunterladen (Seite 15)

RELEASE SCOS 2.5.5

Release Notes for Cisco Service Control Operating System (SCOS) 2.5.10

OL-7085-08

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in li 0

link mode <all, link1, link2> sniffing

Reboots due to initialization of the TX FPGA

In some rare cases during the boot sequence, SCE platforms that are running SCOS 2.5.x may

reboot unexpectedly during initial system load. The reboot may only happen when the user

reloads the SCE or turns on the unit.

In most cases, after this reboot the system will self recover and load normally.

This issue was fixed in SCOS 2.5.6.

RELEASE SCOS 2.5.5

Reduced latency for delay-sensitive traffic

SCOS 2.5.5 includes an improvement that allows for reducing the level of latency that SCE

platform adds to delay-sensitive traffic.

Delay-sensitive traffic can be any media traffic such as VoIP packets or Video packets.

The reduced latency improvement was implemented by duplicating the packets of delay-

sensitive traffic to Traffic Processor 0, in addition to processing the packets in Traffic

Processors 1 to 3, as is done for normal traffic. Traffic Processor 0 is responsible for

transmitting this type of traffic, and since the queues of Traffic Processor 0 are normally empty,

it only adds minimal delay.

This improvement assures that the SCE platforms will not add delays of more than several

hundred micro-seconds to delay-sensitive traffic.

Cisco-related changes in CLI

Minor changes were implemented in CLI for making the SCEs system more compliant regular

Cisco practices

• The P-Cube logo was omitted

• The prompt name of the platforms was changed to "SCE"

• The default password was changed to the normal Cisco default password. The old P-Cube

default password is also supported.

Changing the values of VLAN tags

The SCE 2000 platform now includes the ability to change the values of the VLAN tags of

VLAN-tagged packets that flow through the platforms.

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Cisco SCE 2000 4/8xFE Bedienungsanleitung Seite 15