Questions tagged [routing]
For questions about routing, the process of selecting to which network path traffic is sent. Consider using a more specific tag if your question is about a routing protocol like BGP or OSPF.
2,240 questions
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Network hardware requirements for mDNS [closed]
I have been trying to get mDNS discovery to work for devices connected to TP-Link TL-SG1005LP switch or Netgear GS105Ev2 with pretty much hit-or miss success. Unless I connect the network to a router ...
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How to debug and correct wrong routing policy using Fortigate in a network with multi-ISP?
The following diagram show the topology of our organization's network. We use two firewalls that one of them is a Fortigate 1500D and the other is OPNsense (firewall 2). Our network is connected to ...
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NEC IPaso Microwave Packet Trunk troubleshooting
This is a reach, as there's very little on the internet about them and they are ancient. I hope this is appropriate to this site, if there's a more appropriate one please a pointer?
I have a site with ...
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Originating MAC: could it be saved in data pack?
The MAC of an originating host gets stripped from a data package sent and replaced by the MAC of the routing device at each hop. Returning packs do the same. Is all that correct?
My real question is, ...
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FRR BGP peering on ipv6 link-local address
I have following setup in my lab. Host1/2 running ubuntu with FRR daemon for BGP. R1 is my cisco nexus switch. I want to route traffic between host1 to host2.
[host1]------ibgp----[R1]------ibgp----[...
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how does anycast network deployment work?
as far as i understand, anycast network i.e a /24 block is announced by a BGP with the same ASN from multiple regions. anycast networks such as 1.1.1.1 and 1.0.0.1 are largely used for DNS services or ...
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Counting to infinity in distance vector routing problem
Slides are taken from: https://cseweb.ucsd.edu/classes/sp15/cse123-a/lectures/123sp15-lec15.pdf
When converged and just after B-C link breaks(and when B knows that B-C does not exist anymore), the ...
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If the router is a Layer 3 device, does it even support Layer 2 forwarding (like a switch does)?
Nowadays we have multilayer switch and pure layer 3 device.
Do "pure" layer 3 device like a router use layer 2 protocol ?
Do they require layer 2 header to operate ?
If so, what are the ...
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Why do we still need NAT pool network mask when we already have starting IP and ending IP?
When configuring source NAT in cisco device
for the command that create nat pool
ip nat pool MYPOOL 203.0.113.10 203.0.113.20 netmask 255.255.255.0
Why do we still need NAT pool network mask when we ...
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Dual ISP with default route setup
This is how my topo will look end of the day.
eBGP peer between Edge <---> ISP
eBGP peer between Edge <---> Border-Leaf (I am using 65355 to peer eBGP with Edge )
Inside EVPN/VXLAN ...
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Redundant router-switch connection
I have the following network:
Gateway1 is a dedicated server with Juniper vSRX VM, Switch1 is Juniper QFX5xxx. There are multiple VLANs set up on the servers, so interface mode on the switch is set ...
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how to convert two routed interfaces between two pair 9k and pair 7k to vPC
We have pairs of N7K and N9k connecting via eigrp (full mesh), each one of the pair connected to two mpls routers, each pair have routing table, I am looking to replace the routed interfaces between ...
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Correct idea for an IPsec gateway
The purpose of this question is to improve my ability to technically apply the idea of routing specific traffic through an IPsec tunnel before reaching the Internet.
So far the best that I can ...
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BGP between peers that are 1 hop away?
I was wondering the need for a static route in the example below where its from AS65100 directly to AS65200 - 1 hop away. A BGP is established, so would there be a need/requirement for a Static Route ...
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Server redirecting packet via gateway in local LAN
I have Cisco Nexus tor switch connected with multiple servers on 25G nic. When I am pinging from server1 to server2 I am seeing higher latency in ping. After tcpdump found server replying ping reply ...
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