Cisco WAN :: HWIC-4B-S/T Module Not Detected On 2811
Oct 26, 2011
i am currently trying to configure a four port ISDN BRI interface on a Cisco 2811 router.Upon upgrading to a later version of IOS, c2800nm-advipservicesk9-mz.124-25d.bin, access to the HWIC-4B-S/T module is lost, the router no longer detects it. In fact iI can only get the router to detect the module using the original IOS version c2800nm-advipservicesk9-mz.124-20.YA3.bin.
Is there some special feature needed in the IOS code to support these modules, if so what would be a suitable version/train to upgrade to?I have tried using the Cisco Software advisor tool but it generates an error when searching on a hardware configuration containing this module type.
The reason for upgrading the code is we have a potential bug with the current version which appears to be preventing the BRI interface syncing up with the providers switch (switch type correctly defined and provider confirms isdn line has been provisioned correctly).
The debug error seen is:
GMT: ISDN BR0/0/0 SERROR: L2_Go: at bailout DLCB is NULL
L2: sapi 63 tei 127 ces 0 ev 0x650
My main question though is why the module is not being detected after a code upgrade and if there is a specific code version/train needed to support this module in a 2811?
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Sep 7, 2009
I would like to ask if a cisco 2811 running on an ios c2800nm-adventerprisek9-mz.124-25a.bin should be able to make an HWIC-1FE card work? I am also not detecting the card on any show commands. Plus i am seeing that all the LEDs (FDX/COL,100 and LINK/ACT) are lit steadily even though there is no cable attached to it, is it safe to say that the card could be defective?
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Jan 23, 2012
I am adding another ISP (and plan to use BGP). I am looking at having two 2811's with one connected to each ISP, or a single 2811 (with an additional HWIC) connected to both ISPs. I am not sure if there is a best practices or an ideal configuration for this.
Currently I have:
ASA5510 ---> 2811 ---> ISP_A
Should I purchase another 2811 for ISP_B and connect it to an available port on the ASA? Or should I just purchase a HWIC-1FE and add ISP_B to the existing router?
I see some advantages to both, but not sure the best way to go. Of course, I could be looking at this wrong and if I plan on buying another router then maybe I should use HSRP and both routers should connect to both ISPs.
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I have a 2811 router runnning IOS 12.4(21) and have added an HWIC 1FE card to slot 2. But the card doesnot show up in the router and all the three lights on the HWIC card is steady green. I have gone through some cisco documentation and found that i have to upgrade the IOS.
I have few questions before doing the upgrade.
1. Which IOS version should I upgrade to?
2. Will this erase my exisitng running configuration ? I have VPN services, PPPoATM, PBR etc.. all running on this router at present.
3. Presently i have a 128 MB CF card on the router. Will this be enough or do i need to upgrade this card also? Can i choose an IOS which will fit into this card otherwise while keeping all existng features?
4. I want to use the HWIC card for the ISP's internet service through PPPoE. Will this be possible with the upgraded IOS ?
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May 10, 2011
I am trying to connect HWIC-2FE Card to my Cisco 2811 Router. The router is unable to detect the card. I get the following error message:
' %GT96K_FEWAN-1-UNKNOWN_WIC: NM slot 0, wic card has an unknown id 53BPort Statistics for unclassified packets is not turned on.'
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[URL]The Cisco 2811 does not support the HWIC-4T1/E1 module. But, I installed HWIC-4T1/E1 on the 2811 running 124-24.T2.
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Just double-confirm that 2811 is compatible with HWIC-2FE based on your experience? Which IOS is compatible with HWIC-2FE? [URL]
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It's time to upgrade off the 2621, so I aquired a Cisco 2811 which has two FE interfaces, as well as a modular HWIC-4ESW switch. My question is, can I get rid of the Dell Switch A in the setup above and just use the internal switch on the 2811 to accomplish the same thing? And I if I did this, would my two uplinks from the colo plug into ports 1 and 2 of that HWIC, and then port 3 would physically connect into FE 0/0? Or can I logically do that via configuration in the Cisco? I'm not sure how all this works and haven't received the new router yet, so I thought I'd get a head start and reach out to the experts.
My second question is unrelated, but each port on the HWIC switch cannot be configured as a network interface right? I'm pretty sure they can't as they aren't considered network interfaces but just thought I'd ask.
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I have available channels in the used E1 so I can use them for voice using PVDM2-64 ?
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One more time :
WAN -> SWITCH -> ROUTER(WITH 3G HWIC and Fa 0/0 connected to switch).
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