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Questions tagged [route]

For questions about routes in relation to configurations on network equipment. For instance, you are troubleshooting why your static routes are not working properly.

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How to replace explicit IP range route setting in OS with router configuration? [closed]

I have a Mikrotik Router B750Gr3 i want all requests to 192.168.5.0/24 be redirected to mikrotik router. How to properly do it? i have a mikrotik router that gets dhcp configs including ip 192.168.1....
alex's user avatar
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0 answers
26 views

Why I can't have 2 default gateway in /etc/network/interface [closed]

My Debian server has 2 NICs with 2 VLANs: Nic1 = vlan10 = 192.168.10.5 (static) Nic2 = vlan20 = 192.168.20.5 (static) /etc/network/interface: auto ens192 iface ens192 inet static address 192.168....
vcth4nh's user avatar
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1 answer
52 views

How is routing precedence determined in DHCP Offer and Acknowledgement packet from server?

I'm learning about the DORA process in TCP IP. And the way server communicates with client is very "confusing" to me. Let's take an example of DHCP Offer: At this point, the client is still ...
Team B.I's user avatar
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1 vote
1 answer
577 views

Explaining the entries in routing table

I would like to ask for help with explaining every particular entry in routing table. That is what I receive after calling route print in my PC, based on Windows: So my understanding is: 0.0.0.0 ...
Bratw's user avatar
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1 answer
315 views

Will an OSPF route in IOS be preferred over a static route? (It isn't Floating Static)

For the network topology attached in the image, a static route is configured with ip route 10.10.10.0 255.255.255.252 Ethernet0/0. Referring to the Topology and the output from the show ip route ...
Atheesh Thirumalairajan's user avatar
1 vote
2 answers
4k views

pfSense: how to route traffic to a specific network via ipsec

We have pfSense 2.60 with one ip public We have a working ipsec tunnel to a customer FortiGate I need to be able to force routing of packets to/from 10.68.245.200/29 via ipsec interface we cannot ...
realtebo's user avatar
  • 123
1 vote
1 answer
57 views

Maintenance access to customers over VPN with same network on each side

We are a small company that manufactures machines for the industry. What I need today is an access to the machines when they are in our workshop (construction and adjustment) but also, and this is ...
Meloman's user avatar
  • 111
0 votes
2 answers
53 views

Hop 1 of the traceroute to Internet is not the gateway [closed]

I'm assigned to a public IP address from my organization. Here is my default route: IP: 45.150.164.x Gateway: 45.150.164.1 netmask: 255.255.255.0 And here is the result of traceroute 8.8.8.8 from my ...
wyb's user avatar
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0 answers
44 views

Why Chassis MAC Address is used when advertising EVPN Type 5 routes

In case of EVPN Type 5 or IP Prefix routes advertisement why chassis MAC address or router MAC address is used in addition to VXLAN VNI? I guess VXLAN VNI is working on same principle like MPLS VPN ...
Nabeel's user avatar
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2 answers
744 views

Routing help - can ping device to router, but not device to router to device [duplicate]

for some reasons I don't want to go into (there is only one kind of router that can transmitt data throught that long internet cable) I have to have 2 NATS here is a picture of my network diagram I ...
LimetaPeta's user avatar
0 votes
2 answers
280 views

What's the difference between host routes and network routes for layer 2 destination selection?

This problem usually occurs with servers, but the question itself is about network. When I have a gateway with 10.1.1.1 and an interface with /24 network, the network routes are automatically ...
saba's user avatar
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1 vote
2 answers
697 views

routing table What does this mean (brackets in routing table)?

Sorry I couldn't be clearer. I literally don't know the terminology for it. So not only can I not describe it, but I cannot google it either because I dont know the words for it. See photo: Help me ...
Jtenma's user avatar
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1 answer
73 views

How do I make it take the floating route and not the main static route in this case?

In this topology I have configured the devices in this way: R1: Building configuration... Current configuration : 916 bytes ! version 15.1 no service timestamps log datetime msec no service ...
JEAN LEONARDO 's user avatar
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1 answer
157 views

Packet tracer help with routing between multiple company routers with vlans and wireless routers

Im still quite a novice to packet tracer (so im sorry if this has been answered) and I'm trying to ping both vlans at company1 router to both Lans at company2 router but for some reason when the ...
Lykadios's user avatar
2 votes
1 answer
684 views

OSPF routes are not advertised

routers with ASBR2 connecting to AREA 0 and 10 and ASBR1 connecting to area 0 and 20, there's no entry of routes in R1's routing table, help me out R1#sh run Building configuration... Current ...
Anjil Khadka's user avatar
0 votes
2 answers
678 views

Difference between default routes

In my routing table (ip route show command), I've got the following entries: 0.0.0.0/1 via 10.8.3.1 dev tun0 default via 192.168.1.1 dev wlan0 What is the difference between 0.0.0.0 and default? All ...
Subbeh's user avatar
  • 103
0 votes
2 answers
72 views

How to redirect traffic when one site goes down without downtime and the subnets are different?

We have a uniform high availability configuration [somewhat like 1] with the difference we have two different subnets, vlan and vsphere for two different sites, X and Y. The host in site X has ip 10....
schien's user avatar
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1 vote
2 answers
98 views

CCNA | Routing Protocols | Administrative Distance

Can you tell what routing protocol was used to discover route by examining the adminsitrative distance on said route?
Ged's user avatar
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1 answer
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How could far hop's RTT be smaller than a near hop's RTT in traceroute output? [duplicate]

According to here: ...the round trip time (RTT) for your packet to reach that point and return to your computer. And in the example, it shows: The RTT for hop 5 is smaller than hop 4. But RTT_4 = ...
smwikipedia's user avatar
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1 vote
1 answer
92 views

Does a Transparent Firewall need a Default gateway if directly connected to a layer 3 device that is actively performing routing?

Good folks of the Network Engineering stack! I have a question that I assume most people could answer in their sleep. To better illustrate my question, I've provided a sketch of my network below. In ...
Jason's user avatar
  • 13
1 vote
3 answers
560 views

Longest Prefix Matching

I just learnt about this concept and I have a query which was also asked by someone earlier but was grossly misinterpreted. Suppose my Router has Routes for Networks: 192.168.22.0/23 and 192.168.22.0/...
user464141's user avatar
4 votes
1 answer
7k views

Juniper "show route receive-protocol bgp" output meaning

When you show the received route from a specific neighbor in BGP with a Juniper, the output is the following : show route receive-protocol bgp X.X.X.X inet.0: V destinations, W routes (X active,...
Eraseth's user avatar
  • 425
2 votes
5 answers
2k views

How is an IP packet sent to the gateway?

This is some route command output sample: $ route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 192.168.240.1 0.0.0.0 ...
Adrian's user avatar
  • 159
0 votes
1 answer
423 views

Understanding BGP communities

Lets take this basic topology: RTR A ---- RTR B Routers A and B have an eBGP connection. At router B we can have a route map saying: match: community-list xyz action: permit/deny etc Questions: How ...
john 's user avatar
  • 1,237
1 vote
2 answers
5k views

What are the ways to force all network traffic to pass through a device?

I would like to know if it's possible to redirect all network traffic to a device (it can be Firewall or Transparent Proxy). My lab has the image layout (Physical Connection), how can I force all ...
Bruno Dias's user avatar
0 votes
2 answers
660 views

I have set static routes on both routers, Why can't I ping between the loopback interfaces?

This is my test topology: R6---R7 the interface IP address I have configured on it, you can check in the snapshot. and in both routers I have configured the static route, in R6 10.0.0.22/32 out ...
244boy's user avatar
  • 1,777
0 votes
1 answer
121 views

Is it only one Active route for a special destination?

When I read juniper document about show route: I show route IP: admin@MX480> show route 14.104.112.1 inet.0: 837234 destinations, 1784889 routes (832157 active, 0 holddown, 862249 hidden) + = ...
244boy's user avatar
  • 1,777
1 vote
1 answer
315 views

What's the BGP route `active received accepted damped` status meaning?

when I use show bgp summary command in Juniper router: admin@LA-MX-RE0> show bgp summary Groups: 20 Peers: 20 Down peers: 3 Table Tot Paths Act Paths Suppressed History Damp State ...
244boy's user avatar
  • 1,777
1 vote
2 answers
78 views

Routing infrastructure doubt. It is a functionally design this?

I have design the following network diagram, but I cannot figure out if it could cause some issue on the network: Some detail about the infrastructure: Network connect Ext rtr A, Int rtr B and C is ...
AtomiX84's user avatar
  • 145
1 vote
3 answers
495 views

Testing Secondary Static Route

I am in the middle of migrating to a new IP scheme. From 192.168.10.x/23 to 10.6.x.x/19. Our ISP handles layer 3 and we statically route from our L2/L3 Cisco 3750G switch stack to their L3 device. ...
Craken's user avatar
  • 681
1 vote
1 answer
754 views

Show 'all' routes to a given prefix on Juniper Router

Forgive me if I'm not using the correct terminology here but I'm on a Juniper MX204 router, call it router A. I'm receiving full table from my ISP. I do a show route, i.e. show route 1.1.1.1 and I ...
asdfasdfasdfasdf's user avatar
3 votes
3 answers
856 views

How does a router decide what route to forward a packet when routes come from different routing protocols?

I'm a little confused. I know how the best route makes it to the routing table, but what process does the router follow to choose a path to forward a packet if, for example, you have something like ...
Joss's user avatar
  • 33
0 votes
4 answers
1k views

Why cant i reach the other network while i have added the routes and firewall rules to allow traffic? (Pfsense/USG200)

I have 2 networks, the current one and the new one. The current one is not configured by me and one big mess and contains heavily out dated hardware (especially servers). I want to be able to access ...
CodeNinja's user avatar
  • 219
1 vote
1 answer
827 views

What is route leaking?

I tried googling, but didn't find a good article explaining this. What roughly i understand it, advertising route from one vrf table to other. What type of routes (static, connected, dynamic routes) ...
Deepak's user avatar
  • 707
0 votes
1 answer
1k views

How to enable Inter-VLAN multicast traffic on a layer 3 Siemens RX1510 Network Switch using IGMP?

I have a single Layer 3 Siemens RX1510 network switch split into 4 separate VLANs on different subsets. Name | Gateway | Subnet VLAN1 | 198.97.100.123 | 255.255.255.0 VLAN2 |...
Hooplator15's user avatar
1 vote
1 answer
69 views

ipv6: I can ping only 1 interface within same network even with static route

This is how I set up a static route. R1(conf): ipv6 route 2004:DB8:2233:23::/64 2001:DB8:1122:12::2 With this, I can ping to 2004:DB8:2233:23::2 (S2/2 on R2) but not to 2004:DB8:2233:23::3 (S2/2 on ...
Filip's user avatar
  • 13
0 votes
1 answer
171 views

Find best route in route table using sorting [closed]

I am trying to implement a forwarding algorithm by myself with ARP, ICMP and the forwarding algorithms. Given the routing table: typedef struct route_table_entry { uint32_t prefix; uint32_t ...
C. Cristi's user avatar
  • 101
0 votes
1 answer
522 views

Why is this subnet config required by my vlan "snake topology"?

I must validate the bandwidth on all 8 ports of a switch. We intend to do this with a "snake" topology as described in this article: http://thenetworksherpa.com/test-throughput-alchemy-using-a-snake-...
CLSheppard's user avatar
0 votes
1 answer
35 views

Strict source routing using my own scattered PCs/ routers

I would like to completely control my network transportation by defining the packages path. According to this I can't do it unless I have control over all the PCs/ routers in its way. Suppose, I can ...
Avi's user avatar
  • 129
0 votes
1 answer
44 views

Is there a way to determine my network transportation to specific path?

How can I determine my network transportation to specific path. I would like to determine that my data packages will go through specific routers.
Avi's user avatar
  • 129
0 votes
1 answer
157 views

ping works but tracert reaches the max hop [closed]

I have 4 guests in my VMware host, all of them work as expected; but if I use tracert to find out the route they take to reach the external site, all of them will reach the max 30 hops after the first ...
mdivk's user avatar
  • 101
4 votes
2 answers
743 views

Route Reflector not reflecting BGP-LU (Labelled Unicast) prefixes

I was reading about the Inter-AS MPLS VPN Option C from book ' MPLS in the SDN Era' . In it , the author establishes the BGP-LU peering between PEs and ASBRs and between RR and ASBR only.No BGP-LU ...
Nabeel's user avatar
  • 1,130
0 votes
2 answers
394 views

How to ping router from L3 switch

I am stuck in that that switch can't ping router and router can't ping switch. How to fix that ? I tried so much variants but them didn't help me Actually router must do static routing, that i am ...
Awesome Man's user avatar
3 votes
2 answers
4k views

NAT VLANS with same IP subnets and same IP addresses

I want to do something very similar to NAT VLans with same IP sub-nets but it is dissimilar enough that I don't know how to apply it to my application. I did find NAT Overlapping but it places ...
user643684's user avatar
0 votes
2 answers
192 views

How can a IP under a VLAN communicate other VLAN's IP?

I have a network topology as below: I want to use the Server0 to manage(communicate) to 10.10.10.1-3. you know the 10.10.10.1-3 are vlan100's SVI. there have vlan 100 and vlan 501. IP programme: ...
244boy's user avatar
  • 1,777
4 votes
1 answer
421 views

How can I config a route to cross VLAN?

I have a network topology like bellow: In the server A(left), I want to access the Server B(right). But in A there only two network interface, and they are all import, so I can not change any of them,...
244boy's user avatar
  • 1,777
2 votes
2 answers
2k views

How to know if ISP network have multiple routes

When it is time to choose an ISP in a remote area, I hope that the chosen ISP is having an acceptable redundancy in his network. Is there any way to verify all different route an ISP is having in his ...
rainvillem's user avatar
2 votes
1 answer
144 views

Cisco ASA 5505- My subnet mask is different from Show Route

While I was troubleshooting a DNS issue on my 10.10.10.0/30 subnet, I noticed the Local (L) and Connected (C) has different values. I configured the 10.10.10.0 network to use 255.255.255.252 has the ...
user56488's user avatar
3 votes
1 answer
1k views

How a router know where to send a packet with the exit interface route command?

When configuring a Cisco router, a static route can be added using the following commands: ip route 192.0.2.128 255.255.255.128 192.0.2.48 ip route 192.0.2.128 255.255.255.128 f0/0 If I use the ...
Nakrule's user avatar
  • 871
0 votes
1 answer
569 views

how to change a BGP path in juniper?

How to change the selected BGP route? I show the route 43.242.33.39, there shows 3 GBP paths. but I can not ping the ip(43.242.33.39). and can not traceroute it. how can I do with this?
244boy's user avatar
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