Difference Between Interface Cards
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12-09-2016 01:59 AM - edited 03-05-2019 07:38 AM
Hello,
Can anyone describe the differences between the following interface cards as VWIC,WIC,HWIC and EHWIC?
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Other Routing
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12-09-2016 03:31 AM
Hi
vwic voice wan interface card to support voice services such as ISDN , FXO FXS
wic standard wan interface card like serial interfaces for data traffic
hwic high speed LAN switch module for a router , adds switching functions o the router
ehwic same thing as hwic just an enhanced version of hwic , the newer type , used in ISRG2 routers
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12-09-2016 03:37 AM
Thanks Mark,
Could you please elaborate the same or share a document/link for the same.
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12-09-2016 03:45 AM
if you want specific detail on what each wic does you need to access there data sheets online
to do this get the full part name like VWIC2-2MFT-T1/E1 put it into Google with datasheet it will pull up the specific info
VWIC2-2MFT-T1/E1 data sheet
so when I did it for that vwic I go the below which gives all the details regarding that specific vwic , you need to specify the actual part to get the info as there is diff sheets for every type and there is quite a few different types
http://www.cisco.com/c/en/us/products/collateral/routers/3800-series-integrated-services-routers-isr/datasheet-c78-733859.html
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12-09-2016 03:49 AM
Is there any difference from speed, bandwidth and throughput prospect?
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12-09-2016 03:54 AM
Yes there is the EHWIC would be a higher speed than the HWIC but it depends on what type of card it is what platform it is in to know the actual throughput of it , as the link I provided in last post shows the throughput for those specific cards but as you see E1 nd T1would be different as there different line types in US an EU , generally voice wics have same throughput depending on the line but the variations of the type of vwic base on where and what it can be used on
http://www.cisco.com/c/en/us/products/collateral/interfaces-modules/high-speed-wan-interface-cards/qa_c67-660125.html
Q. What is the maximum throughput on the Gigabit Ethernet EHWIC?
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09-24-2020 11:31 PM
Hi Mark,
Yeah, it looks simple, but if I look at the HWIC for routers, I can't find any additional LAN ports. And I have read that these HWICs and eHWICs have more additional ports. Now - I saw some double eHWICs. OK, they had 8 LAN ports but no serial port. How do they connect to the WAN?
Can somebody answer me?
It would be helpful for many of us.
Thank you in advance.
Adriana
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09-25-2020 06:50 AM
"How do they connect to the WAN?"
Through the router (to another module with a serial port), itself, unless, perhaps, your "WAN" connection is on the same module and it's a L3 switch module.
Understand, having an "excess" of LAN ports, on a small router, is basically to avoid the need of also having a small standalone switch. So, just as you might have a small router with a single Ethernet port connecting to a small switch, internally, the router connects to a small switch module. If both cases, the small router often doesn't have the capacity to even support the throughput of a single gig port, and probably for that reason, often the router modules themselves don't have an "internal" module connection that supports gig bandwidth.
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12-18-2023 04:07 AM
Hi Guys, Can i Use EHWIC-4ESG for WAN Redundancy on Cisco 1941 Router Cause i already configured G0/0 For my Main WAN Connection and G0/1 for my LAN but i need a redundant WAN From my ISP and they asked for two WAN Ports?
