Strange Path Selection in WatchGuard OSPF The 2019 Stack Overflow Developer Survey Results Are...
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Strange Path Selection in WatchGuard OSPF
The 2019 Stack Overflow Developer Survey Results Are In
Announcing the arrival of Valued Associate #679: Cesar Manara
Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)
Come Celebrate our 10 Year Anniversary!OSPF: quagga and HP ProCurve not talkingwhen choose OSPF and when RIPlinux route 2nd internal networkcustom route not working on windowsHow to route between 2 networks with a server with 2 network cards?redistribution OSPF RIP of directly connected networksRouting Issue - can't ping gateway from other routers in full meshOSPF and routing by subnet prefixConnecting two clients openvpnHow can I limit OSPF route visibility between different areas?
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I am trying to configure OSPF between some cisco CPE routers and two WatchGuards. Already tried quite a lot of different setups, already trying to change network design, unfortunately every time I have the same result.
Below I have drawn the network design. Generally everything that is behind CPEs I can't have access. As well I have limited configuration options in networks 10 and 11.
As you may see on the figure, trace from network 2 to 11 is going through R1. So basically the WG R2 has the following routing table:
Destination Gateway Genmask Flags Metric Interface
192.168.2.0 0.0.0.0 255.255.255.0 U 0 vlan10
10.0.0.0 172.17.12.1 255.255.255.255 UGH 20 vlan15
172.17.12.0 0.0.0.0 255.255.255.248 U 0 vlan15
172.17.22.0 0.0.0.0 255.255.255.248 U 0 vlan400
192.168.1.0 172.17.12.1 255.255.255.0 UG 20 vlan15
192.168.11.0 172.17.12.1 255.255.255.0 UG 20 vlan15
192.168.10.0 172.17.12.1 255.255.255.0 UG 20 vlan15
From here I can't understand why my router uses this strange path to 10.0.0.0 and 192.168.10-11.0 networks.
If we check the OSPF results from the same router, we see the following.
============ OSPF network routing table ============
N 172.17.11.0/29 [20] area: 0.0.0.0
via 172.17.12.1, vlan15
N 172.17.22.0/29 [10] area: 0.0.0.0
directly attached to vlan400
N 172.17.12.0/29 [10] area: 0.0.0.0
directly attached to vlan15
============ OSPF router routing table =============
R 172.17.11.1 [20] area: 0.0.0.0, ASBR
via 172.17.12.1, vlan15
R 172.17.22.1 [10] area: 0.0.0.0, ASBR
via 172.17.22.1, vlan400
R 192.168.1.1 [10] area: 0.0.0.0, ASBR
via 172.17.12.1, vlan15
============ OSPF external routing table ===========
N E1 100.0.0.0/32 [2020] tag: 6837
via 172.17.12.1, vlan15
N E2 192.168.1.0/24 [10/20] tag: 0
via 172.17.12.1, vlan15
N E1 192.168.10.0/24 [2020] tag: 6837
via 172.17.12.1, vlan15
N E1 192.168.11.0/24 [2020] tag: 6837
via 172.17.12.1, vlan15
Could someone turn me into the right direction? It might be a minor thing I could miss, but I can't understand why my WG R2 decides that path through R1 is better than directly via CPE2. It is clear for networks 172.17.11.0/29 and 192.168.1.0, but not for 10th and 11th.
Moreover when I use auto-cost reference-bandwidth 1000 then the R1 and R2 swap the roles. I.e. R2 sends everything correctly over CPE2, but R1 selects R2 for all destinations behind CPEs.
routing watchguard ospf
asked 9 mins ago
DexteriteDexterite
14516
add a comment |
I am trying to configure OSPF between some cisco CPE routers and two WatchGuards. Already tried quite a lot of different setups, already trying to change network design, unfortunately every time I have the same result.
Below I have drawn the network design. Generally everything that is behind CPEs I can't have access. As well I have limited configuration options in networks 10 and 11.
As you may see on the figure, trace from network 2 to 11 is going through R1. So basically the WG R2 has the following routing table:
Destination Gateway Genmask Flags Metric Interface
192.168.2.0 0.0.0.0 255.255.255.0 U 0 vlan10
10.0.0.0 172.17.12.1 255.255.255.255 UGH 20 vlan15
172.17.12.0 0.0.0.0 255.255.255.248 U 0 vlan15
172.17.22.0 0.0.0.0 255.255.255.248 U 0 vlan400
192.168.1.0 172.17.12.1 255.255.255.0 UG 20 vlan15
192.168.11.0 172.17.12.1 255.255.255.0 UG 20 vlan15
192.168.10.0 172.17.12.1 255.255.255.0 UG 20 vlan15
From here I can't understand why my router uses this strange path to 10.0.0.0 and 192.168.10-11.0 networks.
If we check the OSPF results from the same router, we see the following.
============ OSPF network routing table ============
N 172.17.11.0/29 [20] area: 0.0.0.0
via 172.17.12.1, vlan15
N 172.17.22.0/29 [10] area: 0.0.0.0
directly attached to vlan400
N 172.17.12.0/29 [10] area: 0.0.0.0
directly attached to vlan15
============ OSPF router routing table =============
R 172.17.11.1 [20] area: 0.0.0.0, ASBR
via 172.17.12.1, vlan15
R 172.17.22.1 [10] area: 0.0.0.0, ASBR
via 172.17.22.1, vlan400
R 192.168.1.1 [10] area: 0.0.0.0, ASBR
via 172.17.12.1, vlan15
============ OSPF external routing table ===========
N E1 100.0.0.0/32 [2020] tag: 6837
via 172.17.12.1, vlan15
N E2 192.168.1.0/24 [10/20] tag: 0
via 172.17.12.1, vlan15
N E1 192.168.10.0/24 [2020] tag: 6837
via 172.17.12.1, vlan15
N E1 192.168.11.0/24 [2020] tag: 6837
via 172.17.12.1, vlan15
Could someone turn me into the right direction? It might be a minor thing I could miss, but I can't understand why my WG R2 decides that path through R1 is better than directly via CPE2. It is clear for networks 172.17.11.0/29 and 192.168.1.0, but not for 10th and 11th.
Moreover when I use auto-cost reference-bandwidth 1000 then the R1 and R2 swap the roles. I.e. R2 sends everything correctly over CPE2, but R1 selects R2 for all destinations behind CPEs.
routing watchguard ospf
asked 9 mins ago
DexteriteDexterite
14516
add a comment |
I am trying to configure OSPF between some cisco CPE routers and two WatchGuards. Already tried quite a lot of different setups, already trying to change network design, unfortunately every time I have the same result.
Below I have drawn the network design. Generally everything that is behind CPEs I can't have access. As well I have limited configuration options in networks 10 and 11.
As you may see on the figure, trace from network 2 to 11 is going through R1. So basically the WG R2 has the following routing table:
Destination Gateway Genmask Flags Metric Interface
192.168.2.0 0.0.0.0 255.255.255.0 U 0 vlan10
10.0.0.0 172.17.12.1 255.255.255.255 UGH 20 vlan15
172.17.12.0 0.0.0.0 255.255.255.248 U 0 vlan15
172.17.22.0 0.0.0.0 255.255.255.248 U 0 vlan400
192.168.1.0 172.17.12.1 255.255.255.0 UG 20 vlan15
192.168.11.0 172.17.12.1 255.255.255.0 UG 20 vlan15
192.168.10.0 172.17.12.1 255.255.255.0 UG 20 vlan15
From here I can't understand why my router uses this strange path to 10.0.0.0 and 192.168.10-11.0 networks.
If we check the OSPF results from the same router, we see the following.
============ OSPF network routing table ============
N 172.17.11.0/29 [20] area: 0.0.0.0
via 172.17.12.1, vlan15
N 172.17.22.0/29 [10] area: 0.0.0.0
directly attached to vlan400
N 172.17.12.0/29 [10] area: 0.0.0.0
directly attached to vlan15
============ OSPF router routing table =============
R 172.17.11.1 [20] area: 0.0.0.0, ASBR
via 172.17.12.1, vlan15
R 172.17.22.1 [10] area: 0.0.0.0, ASBR
via 172.17.22.1, vlan400
R 192.168.1.1 [10] area: 0.0.0.0, ASBR
via 172.17.12.1, vlan15
============ OSPF external routing table ===========
N E1 100.0.0.0/32 [2020] tag: 6837
via 172.17.12.1, vlan15
N E2 192.168.1.0/24 [10/20] tag: 0
via 172.17.12.1, vlan15
N E1 192.168.10.0/24 [2020] tag: 6837
via 172.17.12.1, vlan15
N E1 192.168.11.0/24 [2020] tag: 6837
via 172.17.12.1, vlan15
Could someone turn me into the right direction? It might be a minor thing I could miss, but I can't understand why my WG R2 decides that path through R1 is better than directly via CPE2. It is clear for networks 172.17.11.0/29 and 192.168.1.0, but not for 10th and 11th.
Moreover when I use auto-cost reference-bandwidth 1000 then the R1 and R2 swap the roles. I.e. R2 sends everything correctly over CPE2, but R1 selects R2 for all destinations behind CPEs.
routing watchguard ospf
asked 9 mins ago
DexteriteDexterite
14516
I am trying to configure OSPF between some cisco CPE routers and two WatchGuards. Already tried quite a lot of different setups, already trying to change network design, unfortunately every time I have the same result.
Below I have drawn the network design. Generally everything that is behind CPEs I can't have access. As well I have limited configuration options in networks 10 and 11.
As you may see on the figure, trace from network 2 to 11 is going through R1. So basically the WG R2 has the following routing table:
Destination Gateway Genmask Flags Metric Interface
192.168.2.0 0.0.0.0 255.255.255.0 U 0 vlan10
10.0.0.0 172.17.12.1 255.255.255.255 UGH 20 vlan15
172.17.12.0 0.0.0.0 255.255.255.248 U 0 vlan15
172.17.22.0 0.0.0.0 255.255.255.248 U 0 vlan400
192.168.1.0 172.17.12.1 255.255.255.0 UG 20 vlan15
192.168.11.0 172.17.12.1 255.255.255.0 UG 20 vlan15
192.168.10.0 172.17.12.1 255.255.255.0 UG 20 vlan15
From here I can't understand why my router uses this strange path to 10.0.0.0 and 192.168.10-11.0 networks.
If we check the OSPF results from the same router, we see the following.
============ OSPF network routing table ============
N 172.17.11.0/29 [20] area: 0.0.0.0
via 172.17.12.1, vlan15
N 172.17.22.0/29 [10] area: 0.0.0.0
directly attached to vlan400
N 172.17.12.0/29 [10] area: 0.0.0.0
directly attached to vlan15
============ OSPF router routing table =============
R 172.17.11.1 [20] area: 0.0.0.0, ASBR
via 172.17.12.1, vlan15
R 172.17.22.1 [10] area: 0.0.0.0, ASBR
via 172.17.22.1, vlan400
R 192.168.1.1 [10] area: 0.0.0.0, ASBR
via 172.17.12.1, vlan15
============ OSPF external routing table ===========
N E1 100.0.0.0/32 [2020] tag: 6837
via 172.17.12.1, vlan15
N E2 192.168.1.0/24 [10/20] tag: 0
via 172.17.12.1, vlan15
N E1 192.168.10.0/24 [2020] tag: 6837
via 172.17.12.1, vlan15
N E1 192.168.11.0/24 [2020] tag: 6837
via 172.17.12.1, vlan15
Could someone turn me into the right direction? It might be a minor thing I could miss, but I can't understand why my WG R2 decides that path through R1 is better than directly via CPE2. It is clear for networks 172.17.11.0/29 and 192.168.1.0, but not for 10th and 11th.
Moreover when I use auto-cost reference-bandwidth 1000 then the R1 and R2 swap the roles. I.e. R2 sends everything correctly over CPE2, but R1 selects R2 for all destinations behind CPEs.
routing watchguard ospf
routing watchguard ospf
asked 9 mins ago
DexteriteDexterite
14516
asked 9 mins ago
DexteriteDexterite
14516
asked 9 mins ago
DexteriteDexterite
14516
asked 9 mins ago
DexteriteDexterite
14516
asked 9 mins ago
DexteriteDexterite
14516
14516
add a comment |
add a comment |
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