Routing

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Hello dears. I need a help. Now i'm configuring a new ISR 4221. I have conf file to ISR 1900. When i want use that conf file to ISR 4221 i got issue for creating vlan on router.  When i run in terminal this conf:i got this error:router(config)#interf...

So I have a Cisco ASR 1002-F and with no module I think it can only do 1 gig links. While looking at the modules I can see SPA-4XOC12-POS has 4 interfaces that can do 10 gig SFP's, but the data sheets are not that clear as to if it will support it. C...

I learned to use cisco packet tracer and found something confusing. So i tried building this simple lan setup :PC 192.168.1.10 ---> switch ---->  router A (192.168.1.1 / 10.0.0.5) ------> router B (10.0.0.4) The router A has LAN IP 192.168.1.1 and WA...

metaclay by Level 1
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  • 2 replies
  • 0 Helpful votes

Hello to all!How do additional LSA from DR help reduce the amount of LSDB?There was not enough space in the LSA type1 for 4 bytes of the mask?Why is there no need to describe the topology from the point of view of the network in the case of a point-t...

Hello, I am trying to copy a file from an HTTPS (Apache2 - self signed cert) server from a CAT9300 running Cisco IOS XE Software, Version 16.12.04. I encounter the following error: %Error opening https://10.10.10.10/hello.txt (I/O error) 200982: *Sep...

Plantern by Level 1
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  • 12 replies
  • 0 Helpful votes

Hi, I have a Router_A which has 1 ISP via Dialer interface and Router_B which stopped communicating with Router_A.Due to changing of Dialer ip since it is dynamic, every time the ip address of dialer changes, I need to update the static route in Rout...

kamel4 by Level 1
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  • 1 replies
  • 0 Helpful votes

Hello all. I'm trying to figure out the max of ports you can use the command "no switchport" to make it a routed port for the Catalyst 9200 series. On the guides, it just says there's no software limitation of it but that's a very vague statement.Any...

In a previous company we had the physical interface of our Firewall configured with a /30 subnet to the ISP router.Quite a standard setup obviously. There was also a second /29 public subnet assinged to us, and we could assign these as NAT addresses ...

Mike D by Level 1
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  • 7 replies
  • 5 Helpful votes

folksi'm testing ztp on an asr9k in my cml2 lab but i'm not seeing the dhcp vendor class option 60 in the dhcp discover packeti've tried the ztp initiate command but there's no differenceanyone any advice on what i'm doing wrongthanks folks

Hello all,First question in the community, excited to be here. A customer system and my system will be connecting over OSPF. Here's the architecture:We have a private WAN, L3 connection between both systems. I have 2 routers connecting to them in tot...

When I'm trying to ping from PC1 to PC2, broadcast is sent , PC2 replies. Now Switch learns mac address of source machine PC1, so in the same way it learns mac address of PC2 when it replies to PC1 right?    

source MAC.PNG