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1500 questions
7
votes
1 answer
Overview of following cisco 2800 config
Here is the config of one of our routers. Can any one give an overview?
I believe its for VOIP.
We are going to replace this router with a non Cisco firewall, will there be any issue for VOIP in the internal network? If yes, may I know in what…

user31198
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7
votes
2 answers
Is MSS negotiated or exchanged during the 3 way handshake
This doubt has been bugging me for a while now.
Upon reading numerous articles i have found that the client and the server exchange their mss value during the tcp 3 way handshake and the lower of the two values is selected as the mss for the…

Manav Garg
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7
votes
5 answers
Should we require a 16-bit ASN?
I am wondering what could be the use case where a 16-bit ASN is needed over a 32-bit ASN at this times. I guess if the user have some older equipment and software 16-bit may be needed. Can some please advice for better understanding.

Jai
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7
votes
2 answers
What is the 802.11 MTU?
I keep reading it is 2304 bytes.
Wikipedia states it is 7981 bytes.
On my WiFi AP, I can set the RTS threshold with a value of 0-2346 bytes (I guess it's MTU + the MAC/PHY header ?)
Where does this 7981 bytes come from, and can we have a definite…

pHeoz
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7
votes
1 answer
HP Procurve 3500 with K.14 - strange MAC search issue
I have strange issue with HP ProCurve J8692A 3500yl-24G.
If I display MACs on port I see it:
3500(config)# sh mac 10 | inc 5cf3fc-a53456
5cf3fc-a53456
But if I try to find where is this MAC then I have no luck:
(config)# sh mac 5cf3fc-a53456
…

dsznajder
- 193
- 7
7
votes
3 answers
How to put special characters on ssid
Refer to the picture above. I would like to add the word "FREE" for my SSID. How do I do that? I've seen this ssid around my area but I don't know how to implement it on my router.

nodeffect
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7
votes
2 answers
Injecting routes in to BGP for advertisement: BGP network command
I am a complete newbie at BGP configurations.Need some clarification on understanding BGP network command.
One of our MPLS site routers have the following config : (Pasting only config snippets )
"
R1#
interface Loopback0
ip address 10.129.110.157…

Indu Reddy
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- 10
7
votes
1 answer
What is the relationship between "System version" and CUCM update versions?
I am writing code to verify that the version I retrieved from CUCM/CallManager (e.g. 7.1.5.34900-7) includes a security fix found in a particular patch/update (e.g. 7.1(5b)su6a). Given that these two versions are of different formats, I am having…

chao-mu
- 173
- 1
- 5
7
votes
2 answers
"Local Policy Denied Prefixes" in 'show ip bgp neighbor' output
I've been spending the last week or so troubleshooting some (maybe related, but probably not) issues with Quagga. I have a test router - 7204VXR-NPEG2 running 12.4(24)T6 - with a single BGP session to a Quagga host. The only BGP session on the 7204…

John Jensen
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7
votes
2 answers
F5 session timeouts
Our F5 load balancers run version 10.2.4. We migrated from Cisco load balancer cards on the Catalyst 6500 and used to be able to run xterm sessions to our solaris and linux servers without the sessions dying after 15 minutes.
Our boss is afraid of…

user2561
- 193
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- 2
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7
votes
6 answers
Users want to work remotely, but need to use the same LAN IP addresses
I have users that need to be able to work remotely. In their current environment they use workstations with unique software that requires their IP address remain the same. Now that they are working remotely, they are assigned a new DHCP subnet for…

raidORlostark
- 327
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7
votes
4 answers
MAC Address table brings several different mac addresses for one port
i have a CAT2960 switch from which i am polling mac address tables the cable from the ethernet socket to the switch is placed in port 24, and i have 2 more pc ethernet cables in port 3 and port 7. when i use the command
[sosytee@20090886~]$…

sosytee
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7
votes
2 answers
Cisco 2960X is 'normal' IOS CLI or not?
I asked a previous question "Low end cisco switch with 'regular' CLI - which led me to look at the 2960X platform as an affordable access layer switch at a branch office.. I know on the older 2950's managing them was the same as managing any other…

A L
- 3,310
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7
votes
1 answer
Why is routing not working on my Dell N2048 switch
I am in the process of replacing some older Dell Powerconnect switches with a some Dell N2048 switches. While doing this I wanted to go ahead and segregate certain areas of my network using VLANs. Here is a simple example of what I'm trying to…

Michael Haynes
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7
votes
1 answer
How are ping times computed
I have been graphing ping (IPV4) responses times/vs packet size. I was expecting to see a discontinuity of around 2*MTU/BandWidth in response time around the MTU boundary (actually, around 1464 byte, MTU is 1492 on this particular segment). The…

Alien Life Form
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