Cisco SCE 2000 4/8xFE Manual de usuario descargar pdf (Pagina 17)

RELEASE SCOS 2.5.2

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

OL-7085-08

Support for the improved SCE 2000 4/8xFE

Cisco is releasing a new SCE platform that provides a solution for FE connectivity. The

SCE2000 4/8xFE includes 8 FE interfaces, while only 4 of them are SW-supported in this

release.

The SCE 2000 4/8xFE enables a Service Control solution for 1 or 2 FE links. The 2 FE links

can be active-standby or active-active. In addition, a fail-over solution using 2 cascaded SCE

2000 4/8xFE platforms is also supported.

Solved bugs and issues

Avoiding unnecessary drops of packets

In previous SCOS 2.0 releases, the SCEs were dropping unnecessary packets. This mainly

happened in case of flows with very high BW of over 50 Mbps per second.

This issue was identified and fixed in SCOS 2.5.2.

False detection of ICMP attacks

In previous SCOS releases, the SCE reported on frequent attacks in the network while there

was no reason to believe that these attacks actually occur. The protocol of the reported attacks

us usually ICMP, and he reported attack did not contain any specific IP address.

The causes for this phenomenon were identified and the issue was fixed in SCOS 2.5.2.

Counting correctly dropped packets in Global BW Controllers

The counters of dropped packets in Global BW Controllers were counting incorrectly in

previous SCOS 2.5 releases.

This issue was fixed in SCOS 2.5.2.

Issue with the More Filter

When using the CLI command ‘debug slot 0 ppc <0-3> func <someFunc>’, and this function

generates more than 24 lines of output, and the user takes more than a few seconds to respond

to the - - more - - prompt, various subscriber related functionalities of the SCE are

malfunctioning.

This issue was fixed in SCOS 2.5.2.

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Cisco SCE 2000 4/8xFE Manual de usuario Pagina 17