SKU: 56805983948

Cisco 4-port 10/100 Ethernet switch HWIC-4ESW

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Description

Cisco 4-port 10/100 Ethernet switch HWIC-4ESWThe 4 and 9 port Cisco EtherSwitch 10 100 high speed WAN interface cards (HWICs) supported on the Cisco 1800 (modular) 1941, Cisco 2800 2900, and Cisco 3800 3900 series integrated services routers offer small to large size businesses and enterprise branch office customers the option to integrate switching and routing in one device. This combination offers ease of configuration, deployment, and management while using the powerful characteristics of

The 4- and 9-port Cisco® EtherSwitch® 10/100 high-speed WAN interface cards (HWICs) supported on the Cisco 1800 (modular)/1941, Cisco 2800/2900, and Cisco 3800/3900 series integrated services routers offer small-to-large-size businesses and enterprise branch office customers the option to integrate switching and routing in one device. This combination offers ease of configuration, deployment, and management while using the powerful characteristics of Cisco routing and Cisco Catalyst® switching features.



The modular 4- and 9-port Cisco EtherSwitch HWICs provide line-rate Layer 2 switching across Ethernet ports using Cisco IOS® Catalyst Software. The 4-port Cisco EtherSwitch HWIC has four 10/100 switched Ethernet ports, with options for inline power support on all four ports. The 9-port Cisco EtherSwitch HWIC has nine 10/100 switched Ethernet ports, with options for inline power support on 8 of the 9 ports. The ninth port does not support inline power but can be used as a regular switch port for trunking and other normal data applications. Features such as port autosensing, quality of service (QoS), VLAN support from 802.1P and 802.1Q standards, and 802.1D spanning tree protocols are standard on the Cisco EtherSwitch HWIC. The Cisco EtherSwitch HWICs are available in standard 4- or 9-port 10/100BASE-TX switch HWIC and Power-over-Ethernet (PoE) configurations. The PoE configurations consist of a 4- or 9-port 10/100BASE-TX switch and a 4- or 8-port inline power module daughter card. The power module daughter card houses a power controller for detecting, classifying, and enabling power on 802.3af-compliant powered devices attached to the HWICs. The inline powered version of the Cisco EtherSwitch HWIC can power Cisco IP phones, Cisco wireless access points, or any other IEEE 802.3af-compliant device. The optional inline power support on the 4- and 9-port HWICs on the Cisco 2800/2900 and Cisco 3800/3900 series of integrated services routers requires the use of a field-replaceable inline power supply. (Refer to Figure 1.)



Features and Benefits



This table gives the architecture, features, and benefits of the Cisco 4- and 9-port HWICs.
















































































Feature



Benefit



4 or 9 10BASE-T/100BASE-TX Ports



• These ports deliver up to 200 Mbps of aggregate bandwidth (full duplex) for forwarding Layer 2 traffic on each port.


Autosensing, Autonegotiation, and Auto-MDIX (Automatic Media-Dependant Interface Crossed Over)



• The Autosensing feature allows the switch to detect the speed of the attached device and automatically configure the port for 10- or 100-Mbps operation.


• The Autonegotiation feature allows the switch to automatically select half- or full-duplex transmission mode to optimize bandwidth on all the ports of the HWIC


• The Auto-MDIX feature allows the switch to automatically detect cable type (straight through vs. crossover) between the attached Ethernet device and switch line pairs.


Integrated Switching



• Integrated switching provides fewer points of management for remote and small branch offices.


802.1P QoS (Traffic Prioritization)



• This feature provides support for QoS based on the IEEE class of service (CoS) and port-based prioritization, allowing the switch to change the CoS settings of tagged packets on a per-port basis.


802.1Q Trunking



• This feature allows the setup of separate VLANs with tagged and untagged framing; trunking is used to save ports when creating a link between two devices implementing VLANs; VLANs allow segmentation of the LAN.


802.1D Spanning Tree Protocol



• This Layer 2 link-management protocol provides path redundancy while preventing undesirable loops in the network; it simplifies network configuration and improves fault tolerance.


Voice VLAN (VVLAN)



• VVLANs help enable Cisco IP phones to place voice and data in their own separate VLANs. The HWIC switch port is manually configured as a trunk port to support voice and data VLANs on the same port. The switch then uses Cisco Discovery to dynamically configure the Cisco IP phones.


802.1x Authentication



• This client-server-based access control and authentication protocol restricts unauthorized devices from connecting to a LAN through publicly accessible ports.


PoE (Option)



• Cisco EtherSwitch technology with the appropriate inline power module and internal power supply can power Cisco IP phones and wireless access points. Support is provided for both IEEE 802.3af PoE and Cisco prestandard inline powered devices. The ninth port of the 9-port HWIC (part number HWIC-D-9ESW-POE) cannot be used for PoE applications. The PoE option is not available on the Cisco 1841 router.


Multicast Management Support



• This feature offers Internet Group Management Protocol (IGMP) snooping in hardware for management support.


Simple Network Management Protocol (SNMP) Management



• SNMP allows management of the MIB through a MIB browser.


Cisco IOS Software Command-Line Interface (CLI)



• This feature provides configuration through the Cisco IOS Software CLI and provides a common user interface for all the router functions.


CiscoWorks Support



• CiscoWorks network management software helps enable manageability on a per-port and per-switch basis, providing a common management interface for Cisco routers, switches, and hubs.


• SNMPv1, v2, and v3 (noncryptographic) and Telnet interface support delivers comprehensive in-band management, and a CLI management console provides detailed out-of-band management.


• Cisco Discovery Protocol Versions 1 and 2 help enable a CiscoWorks network management station to automatically discover the switch in a network topology.


• Support is provided by the CiscoWorks LAN Management Solution.


Cisco Discovery Protocol Versions 1 and 2



• This protocol enables a CiscoWorks network management station to automatically discover the switch in a network topology.


VLAN Trunking Protocols (Client, Server, and Transparent Modes)



• The Cisco Virtual Lan Trunking Protocol (VTP) supports dynamic VLAN configuration across Cisco switches.


Cisco Secure Router and Device Manager (SDM)-Based Configuration and Device Management



• This feature simplifies initial configuration of a switch through a Web browser, eliminating the need for more complex terminal emulation programs and CLI knowledge.


• Cisco SDM reduces the cost of deployment by helping less-skilled personnel set up switches quickly and simply.


Status LEDs



• Two LEDs per port provide convenient visual indication of the switch port and inline power status.




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Gina Marciniak
Birmingham, US
★★★★★ 5
Perfect for Sensitive Skin Without Feeling Heavy
Size: 3 Fl Oz (Pack of 1)
I have very sensitive skin and finding a facial moisturizer that hydrates well without causing irritation can be a challenge. This one has been fantastic. It feels lightweight going on but still gives enough moisture that my skin stays soft and comfortable all day. No strong fragrance, no burning, no breakouts, just simple and effective skincare. I also really like that it layers well under makeup and doesn’t leave my face feeling greasy or sticky. The ceramides and hyaluronic acid make my skin feel healthier and more balanced overall. Vanicream continues to be one of the few brands my skin consistently tolerates well. I’ve already repurchased this and will keep using it.
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Reviewed in the United States on May 19, 2026
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Amazon Customer
Chelsea, US
★★★★★ 5
Good for sensitive skin, zero fragrance, leaves skin soft and moisturized!
Size: 3 Fl Oz (Pack of 1)
I got this to go along with my Vanicream sensitive skin cleanser, and I'm very happy with it! It is a little more liquidy than cream-like, but it absorbs into skin well and leaves it feeling soft and moisturized. Great for sensitive skin and completely free of fragrance, with a shorter ingredient list that gives me more peace of mind. Very pleased with this, try it!
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Reviewed in the United States on May 23, 2026
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Debbie Lee Wesselmann
Los Angeles, US
★★★★★ 5
Great Value for a Good Moisturizer (5- Stars)
Size: 3 Fl Oz (Pack of 1)
This moisturizer contains nothing fancy — and that’s the whole point. The ingredients are few but effective, with several ceramides and hyaluronic acid for deep and long-lasting hydration. Best of all, it contains no silicones or parabens. Because it’s noncomedogenic, it doesn’t cause breakouts from clogged pores. Since I have sensitive skin, all of the above are critical for my skin care routine. It’s about as simple and as effective as a cream can get. Because of that, it doesn’t contains any sunscreen, retinol, or other anti-wrinkle components.
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Reviewed in the United States on May 18, 2026
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Hamsterpants
Natrona Heights, US
★★★★★ 5
Excellent facial moisturizer
Size: 3 Fl Oz (Pack of 1)
Very gentle, lightweight, absorbs well without feeling greasy or heavy. Perfect to use after Fraxel laser treatment. I also like it is fragrance free and really good on sensitive skin.
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Reviewed in the United States on May 6, 2026
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Amber M
Natrona Heights, US
★★★★★ 4
Medium weight minimal ingredient moisturizer!
Size: 3 Fl Oz (Pack of 1)
As with another review, I’m looking for a replacement/dupe for Eucerin Urea Repair face moisturizer which is 5% urea Skin concerns: dry rosacea, mid-40s, arid climate with 4 seasons, winters are cold and snowy and summers are 90°+ for most. This is a medium-weight moisturizer that I consider not greasy at all. It is not as hydrating as I need it to be for my dry skin type with rosacea. Thickness wise I say it is similar to a standard facial sunscreen. It does last overnight, in the morning I can still feel it in some areas. I will try increasing how much I apply in order to see if it helps with how much staying power it has. This may increase the hydration it provides and I will update my review to report back. I had a very mild stinging sensation but my rosacea is struggling since moving to a dry climate. Once I repair my skin barrier a bit, I fully expect this will cease. Due to this, I’m not going to get my husband to try it, he has constantly broken skin from severe eczema and stinging is something that makes him not use moisturizers. It’s a battle! For people in more humid climates this may be a more effective moisturizer, or those with less-dry skin than me. I never have flakes so this wasn’t a parameter for me. There is no tint. I’m not sure about white cast so I can’t rate it for skin tone. But I don’t feel there would be, this seems translucent unless you really go in with it. For me it is reasonably effective. It’s probably a good day moisturizer and I expect it plays well with sunscreen, though I would definitely let it absorb or dry down. Which is pretty standard for daytime skin care. There is a slight grippy feeling when applying, but this dissipates like the Eucerin Urea Repair does. This is not, for me, a replacement or dupe for Eucerin Urea Repair. It is a great value for the price! Overall for someone with skin like mine I rate it a very solid 4/5. I would likely purchase again for a lightweight moisturizer as a more affordable substitute for Beauty Of Joseon Dynasty Cream for day. Though this does not give me the “bounce” that does. Alas. Updated to add: I tried increasing the amount I apply, and that eliminated any grippy feeling when applying. I now apply both day and night and this has helped repair my barrier enough it doesn’t sting when I apply this. I still have a way to go before I can return to using my sunscreen, but I do work in a building with no windows so the few minutes I am outside, it’s okay if I go without. If I apply this to my eyes, it doesn’t sting them, which is great, my eyes are extremely sensitive and I hesitated, but it works out just fine. It isn’t thick enough to cause whiteheads to form on my lids, unlike some balm-type moisturizers (LRP!) and even unfortunately Bioderma Sensibio Eye+ I have noticed the backs of my hands are improved as I wipe off excess onto the backs of my hands and into my cuticles. I was genuinely surprised by this, it’s not like I don’t wash my hands. I wasn’t expecting it to have any effect, but the stinging scaley hands are gone, now my hands just feel normal, even after wearing wool fingerless gloves all day at work. I will continue to use this product and will repurchase even after my financial situation improves.
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Reviewed in the United States on October 19, 2025

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