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Bezbolni
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Joined: Tue Dec 19, 2017 1:23 pm

Two separate networks link to another router through one ethernet port

Wed Nov 14, 2018 2:28 pm

Hi all

Master router
I have 2 ISP(route mode) connected on port eth1 and eth2
eth1 - 192.168.10.1 - ISP1
eth2 - 192.168.20.1 - ISP2

I have 4 classrooms with router board 951G, only one cable uplink to each classrooms.
I need to config router board 951G in each classroom to have ISP1 on port 2 and ISP2 on port 3.
two isp networks must be separate from each other

thx for help
 
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mkx
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Re: Two separate networks link to another router through one ethernet port

Thu Nov 15, 2018 11:19 pm

Use VLAN trunk on connections between master router and classroom RBs.
 
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anav
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Re: Two separate networks link to another router through one ethernet port

Fri Nov 16, 2018 12:58 am

Hi mkx would you use two bridges in this case? Assuming the op seems to want two physical cables arriving at each classroom routerboard which means a managed switch of at least 9-10 ports.
(or perhap the main router has that many ports??)


Main Router
Bridge1 (for ISP1 traffic)
Bridge2 (for ISP2 traffic).

VLAN10 - for bridge1 traffic
VLAN20 - for bridge 2 traffic

bridge1 - tagged interface 2 vlan10
bridge2 tagged interface 3 vlan 20
Two cables going to managed switch

Switch
Port 1 input
Ports 2,3,4,5 to classrooms (951G)
Port 6 input
Ports 7,8,9,10 going to classrooms (951G)

OR
or do you see one cable going to the intermediate managed switch
with only one bridge and two vlans on the main router.

Switch
input port 1
vlan10 going on ports 2,4,6,8
vlan 20 going out on ports 3,5,7,9

OR do you see any case for VRF here??
 
Bezbolni
just joined
Topic Author
Posts: 3
Joined: Tue Dec 19, 2017 1:23 pm

Re: Two separate networks link to another router through one ethernet port

Mon Nov 26, 2018 2:58 pm

Hi mkx would you use two bridges in this case? Assuming the op seems to want two physical cables arriving at each classroom routerboard which means a managed switch of at least 9-10 ports.
(or perhap the main router has that many ports??)


Main Router
Bridge1 (for ISP1 traffic)
Bridge2 (for ISP2 traffic).

VLAN10 - for bridge1 traffic
VLAN20 - for bridge 2 traffic

bridge1 - tagged interface 2 vlan10
bridge2 tagged interface 3 vlan 20
Two cables going to managed switch

Switch
Port 1 input
Ports 2,3,4,5 to classrooms (951G)
Port 6 input
Ports 7,8,9,10 going to classrooms (951G)

OR
or do you see one cable going to the intermediate managed switch
with only one bridge and two vlans on the main router.

Switch
input port 1
vlan10 going on ports 2,4,6,8
vlan 20 going out on ports 3,5,7,9

OR do you see any case for VRF here??

I dont have 2 cables to managed (main switch/router)
From main sw/router i have one cable to each classroom

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