Most Popular

1500 questions
8
votes
5 answers

Is it feasible to install two enterprise WIFI access points without training?

Have a background in computer software, but do not have any formal training in networking and hardware. We got a quote from a local IT company that is more than we are able to pay. They want $900 each for two of these: Aironet 2600 Then another…
Chris Dutrow
  • 181
  • 3
8
votes
2 answers

How do I restrict a user for certain commands on Cisco IOS

I need to make a sure a certain user on an IOS router can only type specific commands. I was able to do this with privilege levels but them whenever the user would type "enable" he would be right back to priv level 15 and about to type all commands.…
Harnik
  • 433
  • 4
  • 10
8
votes
4 answers

Internal BGP route exchange issue

I have BGP multihoming with two cisco routers. Each router has its own ISP and announce our AS with our /24 network to the internet. My issue is between those two routers : Router A, routing table looks like : BGP table version is 9622808, local…
Hugo
  • 201
  • 2
  • 5
8
votes
1 answer

How does group-policy inheritance work for a Cisco ASA?

I don't have a lab ASA to confirm this and reading through the Cisco docs left me less then %100 sure. What I really want to know is if I pull an attribute from a group-policy will it then be replaced by what is already setup in the…
evolvd
  • 754
  • 1
  • 11
  • 19
8
votes
3 answers

How to apply configuration after replacing Routing Engine(RE) for CISCO7609-S?

Senario: I have the backup configuration file. But I don't any USB drive or compact flash card. After replacing the Routing Engine, I tried to copy/paste the configs (around 12k lines) from the console terminal, however, it seems pasting the configs…
Bo Cao
  • 401
  • 4
  • 7
8
votes
3 answers

Packet forwarding in TCP vs UDP

Recently I had a discussion about differences between TCP and UDP, and the other person insisted that there's a difference in packet forwarding: The packets in a TCP connection follow an established path, so that in a diamond configuration where a…
Joni
  • 191
  • 1
  • 1
  • 6
8
votes
2 answers

Impact of removing VTP from a production network

We are planning to remove VTP from a production network that has RPVST running. This is at the core (a pair of Cisco 3750s) and we are trying to weigh the impact it has on the production network. In theory, this should not effect anything, the…
MFT
  • 206
  • 2
  • 7
8
votes
3 answers

10GigE fiber over a distance of 120km?

If we purchase a single strand of dark fiber which spans 120km, is it possible to light it at 10Gig? We will be using a 6509 switch at one end and a 4948-10GigE at the other end. We have not purchased the optics yet, nor the line card for the 6509.…
rick
  • 333
  • 2
  • 8
8
votes
1 answer

Unpredictable Juniper SNMPv3 Access Error

We're having issues where SNMPv3 ceases to accept SNMP requests on our Juniper EX series switches. In what seems like random occurrences, Juniper nodes refuse SNMP authentication credentials. This is what we end up getting: rj@MHN00525SYS01:~$…
Ryan Foley
  • 5,479
  • 4
  • 23
  • 43
8
votes
2 answers

Difference between LLDP and LLDP-MED

What is the difference between LLDP and LLDP-MED? Is LLDP-MED an add-on to LLDP or something completely different?
Adam Loveless
  • 3,129
  • 7
  • 30
  • 51
8
votes
1 answer

How to divide network into subnets?

I've been trying to figure out how to divide a network number into particular subjects where one of them require a particular number of hosts. I have the Computer Networking: A Top Down Approach but it doesn't really specify or show the method of…
orange
  • 263
  • 1
  • 3
  • 6
8
votes
4 answers

802.1x on Access VLAN only, not on Voice VLAN

I've successfully configured a Cisco 3750G to perform the authenticator function of the 802.1x process. I have a test Win7 machine as a supplicant and a Windows 2008 server running NPS as the Authentication Server. The Win7 machine is able to…
Jim
  • 813
  • 3
  • 10
  • 22
8
votes
4 answers

CISCO Wireless Lan Controller and AP's design question

There are a couple of questions on design solution. CAPWAP tunnel is created between the controller and the access points. The ends of the tunnel are the controller's "ap-management" interface and management interface of access point. I've…
8
votes
5 answers

How to test layer 2 connectivity on Cisco Switch?

I'm testing a new FTTH CPE in our lab. A Cisco ME3400 switch. So far I'm having issues in provisioning them. I have activated DHCP debugging to see the DHCP packets. I wonder how can I test to know if there is layer 2 connectivity between the CPE…
cgasp
  • 2,008
  • 4
  • 21
  • 37
8
votes
2 answers

SNMP Monitoring Juniper EX8216 switches for Rx/Tx power, temperature and bias current

I am trying to monitor individual transceivers on two EX8216 Juniper switches regarding the following parameters: RxPower TxPower Bias Current Temperature The methodology I am following is the following: I do an SNMP walk on the…
SC21
  • 81
  • 2