Search Results

What a host can decide is to alter it's TCP window (flow control), to modify the rate at which it sends information, but this doesn't impact routing. … Except for Policy Based Routing, routing is a layer 3 decision that doesn't take into account layer 4 (TCP / UDP) information, so it's performed in the same way for TCP / UDP / ICMP etc... …

Here is the info given but a production router that does IPv4 BGP only, as of 2021 October 5: 1547576 RIB nodes, using 142 MiB of memory 1687609 BGP routes, using 103 MiB of memory 8 Static routes, us …

. /25 for example) It's related to the size of the routing tables in the routers. … The fact that the Internet routing table grow so big lead to this consensus that we shouldn't anymore allow it. …

It depends on your main gatway and on your hosts. Normally in this situation the main gateway will issue an ICMP redirect message to the host, with the IP address of the VPN gateway, informing the ho …

You need on your router a feature called DHCP relay You configure it with the IP address of your DHCP server. When the router receive a DHCP request it will send (as unicast) a request to the DHCP se …

There's one word missing: You need port forwarding to enable traffic initiated from the outside network/Internet. When you make a request to an external server, a NAT entry is created in the router …

Originally, two options (loose source routingand strict source routing, see RFC791) were present in IP that were supposed to allow you to specify which routers a packet should/must go through but it was …

So X lookup in its own IP routing table and search for a route. If a route exists for the destination it seeks, X sends the packet to the router given by the route. … However this imply for the administrators to maintain on each and every host a routing table. This is really impractical. …

Routing protocols, in general, are used to populate the routing tables and not to forward packets. … A given router can use several routing protocols at the same time. Lets say a router is configured to use OSPF and BGP. …

Your assumption is wrong, the mac address of the original host has been stripped away by the first router. It could be in the payload (i.e. the DATA contains in the packet) but only if the program th …

BGP is one routing protocol among many. A router learn routes from directly connected networks, static routes and routing protocols. …

You can use private IP between two public IP network as long as you do not send to the internet packets with a private address as source. It's quite common.

Yes. It will be dependent on the exact operating system that runs on the router, but generally redistribution is configured on the router level. I.E. apply to all peers. You can however filters routes …

In OSPF the network statement is used to configure which interface will participate in the OSPF process (I.E on which interface to send and listen for Hello packets) This is done by comparing the val …

Also, Cisco Virtual Internet Routing Lab, is more advanced than Packet Tracer, and you may be eligible to the Academic Edition. But you need a lot of memory (RAM) to run it. …