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Port-security is a layer 2 security feature so it will not be the cause of the call quality issues. Is it the same phone or group of phones each time? I've used Mitel with Cisco in two separate environments and have never had any issues. Can you include a topology of the network?

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I built my own lab. After tallying up the cost of the equipment, books, CBT's, and Narbik bookcamp I've got about 12k invested in my CCIE studies. Now, you can purchase a beefy computer, throw a bunch of NIC's in, and install GNS3 along with four switches and you could have functioning lab. My...

Cisco Academy is your best bet to get hands on or buy your own lab year. Let me caution you though, if you don't have the requiste experience to possess a CCNP I would think twice about getting it. As someone who is often the interviewer I will look at your certifications and then look at your...

the solution is incredibly easy if you stop and think about the different types of areas and how LSA's are propagated from one to another. a very easy win in this case is to split this up into two areas: - gi1/0/1 on R1, gi1/0/1 on R2, and gi1/0/1 on R3 in Area 0 - gi1/0/2 on R1, gi1/0/2 on R2...

are all of the devices on the same subnet or different?

create two crypto ACLs and simply use multiple sequence numbers in your crypto map: access-list C-VPN extended permit ip 10.10.0.0 255.255.0.0 172.10.0.0 255.255.0.0 access-list D-VPN extended permit ip 10.10.0.0 255.255.0.0 172.20.0.0 255.255.0.0 crypto map mymap 10 match address C-VPN crypto...

Yes, you can use the same address for all tunnels. The only thing that will change between the three tunnels is the tunnel-group since it needs to be specific to the remote IP address that you are establishing the tunnel with. Simply create your first one and then duplicate that as many times as...

can you post your dhcp pool config?

I'm assuming with the output you posted earlier that you probably have a hub and spoke topology with three routers and you're sourcing the traffic from the hub router. The reason I asked about CEF is that by default it will do per-destination (technically per flow) load-balancing. You're seeing...

Are you using RIPv1 or did you not issue no auto? Do you have CEF enabled? If yes, is it configured for the default of per-destination or did you change it to per-packet load balancing?

Understand that it will take up to 40 seconds for OSPF to detect the failure. if the interface doesn't go down, then you have to wait for the dead-timer to kick in. You should use bidirectional forwarding detection (BFD) in addition to this perfect OSPF config provided by Andy, or tweak your...

Mostly true. I say mostly because the second you enter a frame-relay map statement on a multipoint subinterface or the physical interface itself, InARP is disabled. Also, on a point-to-point subinterface InARP is ignored.

I would like to see a diagram of your network and where these 2950's are placed. Include any redundant links and identify your current STP root. Out of curiosity are you running a flat network using VLAN1 end to end?

ok, so since you are using L2 VPN I am making the assumption that you have a full-mesh of BGP peers between all of your locations. if so, you can take care of this on your CE in the location that is originating this prefix. L1 is the location where you are sourcing 10.10.10.0/24...

Since you posted in the Certification forum, I'll nudge you in the right direction, but I won't give you the answer. Hint: Look at the interaction between LMI Status messages and Inverse ARP.

So just to make sure I am reading this correctly, you are saying that all of the clients connected to first 2950 become unreachable?

is this just a point-to-point connection or do you have multiple sites involved?? do you control the other sites CE device?? there are a few different ways to tackle this depending on your structure.

what does your dot110.11 look like?

post your ACL