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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0answers
44 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 ...
0
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2answers
82 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 ...
2
votes
2answers
102 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 ...
0
votes
2answers
86 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: ...
4
votes
1answer
87 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,...
2
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2answers
53 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 ...
2
votes
1answer
42 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 ...
3
votes
1answer
341 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 ...
0
votes
1answer
37 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?
1
vote
1answer
61 views

Does the Router running multi routing protocol progresses received the routes will store into the Forwarding table?

I have a question about the Router running multi routing protocol progresses. if the bellow snapshot R1 have EIGRP and OSPF progresses, if the EIGRP progress received the routes from R3, will it store ...
1
vote
1answer
35 views

Does gateway have a genmask?

The genmask column is for destination column in print from route, but the gateway column does not have a genmask column.
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2answers
253 views

How to understand the default gateway generally refers to the 0.0.0.0/0 route?

I am reading a document: The default gateway generally refers to the 0.0.0.0/0 route, which is used when there is no clear routing entry to a destination address. How to understand this sentence?
1
vote
0answers
74 views

Different Source and Destination IP to and from ISP [closed]

Could somebody tell me which model the ISP are using ? I have a leasedline WAN with following information. IP: XXX.XXX.XXX.123 Gateway: XXX.XXX.XXX.126 Subnet: 255.255.255.248 The problem is every ...
3
votes
1answer
3k views

How to flush route cache in fortigate

Is there something like route cache on fortigate like in linux? How can i clear this cache? I have some problems with OSPF, after adding or changing redistributed network. Foritgate show routes ...
1
vote
2answers
85 views

How does the function of one default gateway on a router communicate with two other routers?

So given a theoretical scenario assuming there are three routers. There is no internet in this case, just a local network for the sake of understanding. One router (A) is connected to the next (B), ...
3
votes
2answers
320 views

BGP vs OSPF path selection with /24 vs /23`

would a network select /24 or /23 path with ospf or with BGP which one is preferred !!