Cisco NME-16ES-1G - Etherswitch Service Mod 16 Instrukcja Użytkownika Pobierz pdf (Strona 2)

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Q&A

Module Platform

24 FE + 1 SFP + 2 StackWise NME-XD

●

Cisco 2851 Integrated Services Router

●

Cisco 3825 and 3845 Integrated Services Routers

48 FE + 2 SFP NME-XD

●

Cisco 2851 Integrated Services Router

●

Cisco 3825 and 3845 Integrated Services Routers

Q. What is the difference between the EtherSwitch service modules and the existing

EtherSwitch network modules and EtherSwitch high-speed WAN interface cards

(HWICs)?

A. The EtherSwitch service modules are full-featured desktop switches in a blade form factor]

They offer common features and software with the industry-leading Cisco Catalyst 3750 and

Catalyst 3750-E Series desktop switches, with full integration into a Cisco router. Because the

EtherSwitch service modules run a separate Cisco IOS Software image, the same image as

the Cisco Catalyst 3750 and Catalyst 3750-E Series desktop switches, it will maintain real-

time feature parity into the future. This means that customers will maintain two Cisco IOS

Software images per router/switch module combination as well as individual configurations for

these components. EtherSwitch service modules can provide inline power to IP phones,

access points, and other powered devices, both those IEEE 802.3af compliant devices as well

as Cisco pre-standard ones.

The EtherSwitch network modules are based on the Cisco Catalyst 2950 chipset and have

their configuration integrated directly into the hosting router. This provides a single image and

configuration file while forcing a feature lag from the compatible desktop switches. These

modules can provide only Cisco pre-standard inline power to attached devices.

The EtherSwitch HWICs provide low-density integrated switching to all platforms with a HWIC

slot. This provides a modular, integrated switching capability into those platforms, like the

Cisco 1841 and Cisco 2801 Integrated Services Routers, which cannot support a network

module or NME slot. These cards expand the switching options for those platforms with an

NME slot, offering customers the ability to incorporate low-density switching or expand the

switching capacity of the platform by a few ports. The EtherSwitch HWICs use a commercial

chipset but are based on the same Cisco IOS Software code as the EtherSwitch network

modules. They support both 802.3af as well as Cisco pre-standard PoE implementations.

Q. Why are the EtherSwitch service modules incompatible with the Cisco 2600/2600XM

and Cisco 3600 Series routers?

A. The EtherSwitch service modules meet the NME standard and therefore draw more power

than the Cisco 2600/2600XM and Cisco 3600 platforms can provide to a network module slot.

Many of these platforms have reached end of sale (EOS) and no additional development effort

is being done on them. At this writing, the Cisco 2600XM platforms have not reached end of

sale, but cannot support the NMEs. The Cisco 2691 and Cisco 3700 series platforms, while

not able to fully support the NME standard, have enhanced power to their NM slots and can

support the new modules.

Q. Should I expect the current EtherSwitch network modules and EtherSwitch HWICs to

reach end of sale soon?

A. No plan for end of sale of either of these cards currently exists. The EtherSwitch HWICs are

new and provide switching capabilities to those integrated service routers that do not have

NME slots or do not need the features or density of the EtherSwitch service modules. The

existing EtherSwitch network modules provide a switching option to the installed base of

Cisco 2600/2600XM and Cisco 3600 Series routers and are supported in the Cisco 2691,

Cisco 3700 Series, and the Cisco 2811/2821/2851/3825 and 3845 Integrated Services

1 2 3 4 5 6 7 ... 10 11

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Table 2. Product Details 3

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