Posted on in Networking
For those still using the Cisco BWG as the ASN gateway in their WiMAX networks, Juda Barnes has discovered that the BWG 2.0 software suffers from a memory leak related to CEF. This memory leak is detailed in Cisco Bug CSCta09049. Unfortunately, since the Cisco BWG software has reached …
Posted on in Networking
I was recently part of a discussion regarding whether or not lowering the
load-interval on a Cisco router or switch interface from the default of 300
seconds had an impact on performance.
Both sides made good points, but
both were based on assumption and conjecture.
5 minute input rate 213000 …Posted on in Networking
Slaptijack reader Raj is looking for a way to limit inbound traffic on his switch ports based on the time of day. Specifically, he wants to restrict speed to 256 Kbps between 9 AM and 9 PM, and allow up to 1 Mbps the rest of the day. I've done …
Posted on in networking
For troubleshooting tips regarding the error message
%TAC+: no address for get_server see:
Troubleshooting "%TAC+: no address for get_server" on Cisco Devices.
While working with Cisco Catalyst IOS image 12.2(58)SE1, I noticed that configuration for TACACS+ had changed. My first clue that there was a problem was …
Posted on in Networking
My Belkin N1 Vision router replacement arrived today. I was glad it only took two days to arrive. Without the wireless router, I've been stuck working from my desktop. My kids were also pretty annoyed that they couldn't sign into XBox Live or watch Netflix. Needless to say, my sons …
Posted on in Networking
Yesterday, I submitted an RMA request to Belkin for my N1 Vision router. The N1 Vision isn't a great wireless router, but it does have a lifetime warranty. Less than 24 hours later, I received an email from Belkin customer service that my new router is on the way!
This …
Posted on in Networking
A few years ago I received a Belkin N1 Vision (F5D8232-4) wireless router from a friend of mine. She had received it as some sort of door prize. The wireless on the router isn't that great, but it was strong enough to cover parts of my house that my previous …
Posted on in Networking
For those that don't follow the ARIN Public Policy Mailing List, the following is excerpted from a post by Thomas Narten in response to the announcement that the <acronym title="Internet Engineering Steering Group">IESG</acronym> has approved a new document to replace the existing RFC 3177 (IPv6 Address Assignment …
Posted on in Networking
If you've used Cisco switch clustering in a basic network (for example, when all switches are connected together and <acronym title="Cisco Discovery Protocol">CDP</acronym> is enabled), you've likely never considered how this switches communicate with each other. You might assume that the switches are using IP addresses from …
Posted on in Networking
For those that have been using Cisco IOS 12 forever, you may not have realized that Cisco has begun rolling out IOS 15. Although there are a lot of technical changes and features that are being introduced, IOS 15 introduces a new licensing scheme that may throw old users for …
Posted on in Networking
The situation: A Cisco 7604 with SAMI card is able to send packets from the individual IOS instances running on the SAMI PPCs, but is unable to receive packets.
The hardware: The table below describes the hardware involved.
| Part Number | Description |
|---|---|
| CISCO7604 | Cisco 7604 Router |
| SUP32-GE-3B | Cisco Catalyst 6500 Series … |
Posted on in Networking
This is a picture (larger) of a Cisco 7604 with Sup32 and SAMI card. The modules you see here are:
| Part Number | Description |
|---|---|
| CISCO7604 | Cisco 7604 Router |
| SUP32-GE-3B | Cisco Catalyst 6500 Series / Cisco 7600 Series Supervisor Engine 32 with 8 ports Gigabit Ethernet, PFC3B, and MSFC2A |
| WS-SVC-SAMI-BB-K9 | Cisco … |
Posted on in Networking
For some reason, they don't make this completely obvious.
login: admin
password: admin
Posted on in Networking
I would hope there is a better way to do this. The other day, I had a need to see all the interfaces on a router and how much input and output traffic they were passing. This just seems like something that should be built in, but I've not seen …
Posted on in Networking
This seems to be a pretty common problem for Cisco users. Not that Cisco devices have more queue drop problems, just that more Cisco users are a little confused by the information generated in the show interface command.
Specifically, we're talking about the lines that look something like this:
Input …
