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 Yearling
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Jun
22
comment Remote OSX Server does not accept TCP connections from abroad?
Please don't cross post. Pick one site and ask there.
Jun
6
comment Cisco 2621XM Configuration with Comcast Business Modem
Get a new router. The 2620XM has been end of life since 2012, end of sale since 2007. It was designed in an era where T1's were considered high speed links; it wasn't designed to provide the performance necessary for today's networking. Per Cisco documentation, the forwarding rate of this platform is just over 15Mbps with no advanced features enabled. Your Comcast Internet link probably easily exceeds this device's capability to handle traffic.
May
25
comment VTP trunking not working for Cisco 4948 switch
@JohnP, it shouldn't be. I don't recall for the 4948, but the 3750 does have auto-MDIX and only one side needs it. Did you try a different cable and different ports on each switch? You could also try entering switchport on each interface to ensure it isn't operating as a L3 interface.
May
25
comment VTP trunking not working for Cisco 4948 switch
Looks like you may not have an active link connecting the two.
May
24
comment VTP trunking not working for Cisco 4948 switch
@JohnP, can you add the output from sh cup neighbor? Since you mentioned the one interface is down, need to check if you have a link between the two.
May
24
comment VTP trunking not working for Cisco 4948 switch
John, you state that you are connecting the 4948 to 3500s, but your VTP server is running a 3750 image. Is this really a 3750 or a 3500 as indicated in your post?
May
24
comment VTP trunking not working for Cisco 4948 switch
@joeqwerty, he already stated he verified the password is correct on both switches and the coding revision is clearly indicated as 0.
May
16
answered Ubiquiti Unifi Wirlesss Access Point not obtaining IP Address when VLAN Tagged
May
16
answered iptables blocking script using arp table lookup
Apr
29
comment Same number of clients - multiple WAPs vs Single WAP
In basic terms, an RF channel can only have one 802.11 device communicating on it at a time in the same area. As such, it is a finite resource that is shared among all devices. Air time generally refers to the channel utilization, either in total, in use by a device (or group of devices), or type of traffic and is often used when trying to make more efficient use of the RF medium.
Apr
29
answered Same number of clients - multiple WAPs vs Single WAP
Apr
28
comment How can I avoid Mac OS X temporarily setting its IP in the “link-local” range (169.254.x.x) at boot time?
@Pickles, the problem with falling back to its "last-good" address is that the last address may now be in use by another device and then cause an IP conflict on the network, which is potentially far worse.
Apr
22
answered Should I use link-local addresses where a non-routable, internal IP address is required?
Apr
21
answered What happens when a switch goes offline? and can they be easily exploited through open wifi?
Apr
21
comment Should I use link-local addresses where a non-routable, internal IP address is required?
So, to paraphrase your answer and comment, using the reserved addresses is a violation and using a manual assignment from the generated range is a violation. So then the answer should be "No, this is a bad idea. You need to find a better solution." If people were to just ignore the standards and specifications when they are inconvenienced by them, then the standardization, inter-operation, and the whole foundation of networking/the Internet are all at risk..
Apr
21
comment Should I use link-local addresses where a non-routable, internal IP address is required?
Why would you suggest using the two ranges that IANA has reserved for future use? That seems to be bad advice in case the IANA chooses to make use of those reserved ranges for some reason.
Apr
20
comment Should I use link-local addresses where a non-routable, internal IP address is required?
If they are only used to communicate from service to service within the same host, is there any reason you wouldn't use a loopback address?
Mar
29
awarded  Yearling
Feb
14
comment How to reverse arp using nping for Windows
Please do not double post. Rather pick the site that you feel will give you the best answer and post there.
Feb
2
answered Cisco Router ( 2611XM ) and ISP Internet connection