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1answer
266 views

Physical Interface VS Multipoint Subinterface in Cisco Frame Relay

I am new in learning about Cisco Frame Relay. And I am having trouble in understanding the difference between using physical interface or multipoint subinterface, because it looks the same to me. ...
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1answer
34 views

IP SLA: tcpConnect frequency and jitter codec

I am trying to generate different kinds of traffic with IP SLA on a c7200 router, I am using the simulation software GNS, so if required I can change my router. My aim is to generate congestion to ...
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0answers
75 views

Is there a way to automate testing for a GNS3 network topology?

I'm working on an MPLS backbone topology using GNS3, this topology includes configuration of several networking technologies such as IPv6, BGP, OSPF, IPv6 to IPv4 dynamic tunneling, MPLS based VPNs, ...
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2answers
4k views

GNS3 setup connected to real network. ping failure

I am building a lab environment for CCNA training, using GNS3. The GNS3 network is connected to a real network, let's call it LAN 1. LAN 1 is not connected to the internet and is completely wired ...
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1answer
1k views

connecting to packet tracer from pc

How I can connect to a router that runs in Packet Tracer from the pc that the program (Packet Tracer) runs on it using telnet or Putty or SecureCRT or other shell programs? I use GNS3 but need to work ...
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0answers
253 views

GNS3 Cannot ping/resolve DNS record

I set up an internet lab with GNS3, which has 3 routers, in each node there is a computer directly connected. One of the hosts is a DNS server, Windows 2003 Server. The other one is a Windows XP ...
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1answer
285 views

RIP Advertising Networks of EIGRP without Redistributing

This is the topology I have set up in my GNS3. The RIP V2 protocol of Router R2 is recognizing and advertising the two networks that are advertised in EIGRP, even though the said information should ...
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1answer
1k views

GNS3 - Emulating a not supported Cisco router (model 881w)

I want to create a new configuration for a Cisco 881w from scratch. So I want to replicate my environment on GNS3. But I cannot emulate a Cisco 881w (which is the router i have) into it. So I am ...