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InterVLAN routing

Hello. I have been practicing in interVLAN routing and faced trouble.I have GNS3 and my topology looks like this:Device MY_PC is cloud connected to virtual interface on my PC. I can ping gateway subinterface of all subnets. Although I can ping PC2 fr...



Attached is the diagram for reference.Existing network setup is shown in blue color. I have L2 Switch -> L3 Swtich -> Gateway rotuer (ISR)The Gateway router is connected to Internet.Gateway Router:Gi1/0 on LAN side which is configured for NAT insideG...

RS19 by Participant
  • 7 replies
  • 0 Helpful votes

Resolved! Inner VLAN Routing problem

Hello,in our company, we purchased 2 cisco 3750x and decided to make the core of the network out of them. I created several VLANs, and I had difficulties in configuring routing between them, namely computers in one VLAN do not ping computers in anoth...

logianto by Beginner
  • 7 replies
  • 0 Helpful votes

Routing Internet traffic method

Hello, we have a router connected to our WAN via BGP and we receive all advertised LAN routes via this BGP link. So we currently direct all BGP routes in addition to out this interface.Now we want to establish a separate interface on this rou...

Resolved! Routing & ACL direction question

We have a private MPLS network (all private IP's) and would like to limit what traffic reaches certain areas.SITE AServers ( Site BLAN 1 ( 2 ( 3 ( For this question, we'll concentrate on SITE B AC...

louis0001 by Participant
  • 2 replies
  • 0 Helpful votes

Resolved! Can't acces internet

Good afternoon, I have a cisco 3750 and a router 2951. 6 VLANs are configured on 3750. I do not have Internet pings on 3750, even though I can ping a router. I need HELP i undestend i make somthing silly but i cant fix thatCISCO 2950: interface Gigab...

logianto by Beginner
  • 4 replies
  • 5 Helpful votes

Cascaded routers and static routing

Hi everybody!I am cascading a cisco 1841 (R1) to a SOHO tp-link adsl router(R0).Cascaded to the 1841 there is another netgear SOHO router(R2).Internet ---R0--- R1---R2---LANR0 has 4 lan ports serving addresses in, and R0's ip address i...

zorzig by Beginner
  • 3 replies
  • 0 Helpful votes

static mapping, DHCP on a Cisco 2900

Hello, I am planning to do static mapping, DHCP, on a Cisco 2900.  So I have a file with static bindings and I saw that that file is 'referred' to with something like:Router(dhcp-config)# origin file tftp://     for example. I...

roncro by Participant
  • 16 replies
  • 0 Helpful votes

Resolved! DNS on a Cisco 2900 router

Hello, I am also  setting up the router as a DNS server. I can add "local addresses " with something like:# ip host mypc have a dozen hostname/ip's that I'd like in there, can that be done with a file also?  (as with the dhcpstatic-bin...

roncro by Participant
  • 9 replies
  • 0 Helpful votes

DMZ LAB - Configuring ASA-5506

Hi,  I am working on a lab configuration for my school assignment which is : I followed all the steps in the above mentioned instructions (in the url). It doesn't seem to work. I am not able...

Final traceroute hop failing

Does anyone have any insight on why I would be able to successfully ping a loopback address, but cannot successfully traceroute to it without the last hop timing out? I am not using any ACLs/NAT/Firewalls in this test. Example topology:R3<->R1<->R2R1...

Oh Drother by Beginner
  • 13 replies
  • 0 Helpful votes

BGP Route redundancy with longest match

Could anyone advise me how we can forward R1 loopback IP address with specific prefix.I need R1 to send prefix  to R3and R1 send prefix to R2 Does we have solution to deal this?FYI R2-R3 = iBGP peerR1-R2 , R1-R3 = eBGP peer

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ivynobita by Beginner
  • 4 replies
  • 0 Helpful votes