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Hi.I have setup two DHCP pools on a router that performs with Inter-VLAN routing between a L2 switch.Do I have to configure anything so that the router can assign the correct DHCP pool to the correct VLAN host or does It do that automatically by look...

Reprovoid by Level 1
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Resolved! portfast

Hi everybodyHow is everybody doing?I just want to confirm few things with regard to portfast.1)My book says if portfast enabled port receives a bpdu, it will shutdown .When I performed the lab  I noticed that portfast enabled port does not shutdown,...

sarahr202 by Level 5
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  • 5 replies
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hi all,i've tried configuring and simulating authentication for NTP in gns3 but i don't see the peer getting authenticated. please see below configs and the show ntp associations detail output on router2. thanks in advance!Router1#sh run | i ntpntp a...

Help me pls,Clients cant connect any more to pop.gmail.com/995, at the same time from another vlan the same network, connection can be established without any problem(from Windows server). Clients can connect to other mail servers on port 995 or 587 ...

Hello Community!   We got a really strange problem here. We've got one cisco ESW 520 switch and one HP. Whoever's connected on the ESW switch cannot connect to pop.gmail.com port 995. Everything else is OK! Internet, pings, whatever. ONLY cannot acce...

milkboy33 by Level 1
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Hi,If any one using the new SUP-2T , Pls help me to clarify one query..If we are using the new SUP-2T in VSS mode, will the new ASA service module and NAM-3 are supported..? From Cisco site, ASA module FAQ: Q. Will the ASA Services Module support th...

sudheer by Level 1
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  • 2 replies
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Hi all,I'm studying for my Route exam and have big problems with the 'ip default-network' command. I read the following link that describes the command very well: http://www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a0080094374.shtmlI bui...

Hello,Really been quite a while i stopped working much into switching side. I was just brushing up the concept & had a question on the attached topology. I have a task to run in backbonefast on this network.Assuming that there is a failure on my prim...

We have a couple of 3750 switches which carry vlan 238 and they are connected together with a trunkA host on that subnet is sending out multicast group 239.252.255.26 as a status messageWe have igmp snooping enabled on vlan 238and if I do show ip igm...

jschweng by Level 1
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I have a 3925. I have one int on the same subnet as our internet connection (gi0/1) and one on the subnet for our local traffic (gi0/2) and an ip route for that to get out. The problem I am having is that it is not routing the local traffic to the ne...

My main concern is security; so I got in one of my routers a new IOS ver (c-2600-advsecurityk9-mz)..... and here is where I need some help... I like to know how could I use this IOS ver. to secure my network......  I get internet through a cable comp...

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