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тАО05-03-2009 10:02 AM
тАО05-03-2009 10:02 AM
Routing with (2) 2848s
The Internet gateway is at location #1. There are servers at each location that must be accessed by both locations.
Location #1
Router 192.168.1.1
192.168.1.X
Firewall 192.168.1.2
Location #2
Router 192.168.2.1
192.168.2.X
What is the most efficient configuration?
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тАО05-04-2009 01:40 AM
тАО05-04-2009 01:40 AM
Re: Routing with (2) 2848s
2. set default route on location 1 to 192.168.1.2
3. set default route on location 2 to 192.168.1.1
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тАО05-04-2009 01:53 AM
тАО05-04-2009 01:53 AM
Re: Routing with (2) 2848s
L2:
location #1 switch does all the routing;
location #2 switch only needs address for management
- location #1 switch
-- configure two vlans
-- assign ip adress in both vlan's
-- enable routing
"ip routing"
-- configure default gateway to firewall.
"ip route 0.0.0.0 0.0.0.0 192.168.1.2"
- both switches configure connecting port as "tagged" for the two vlans.
- clients in each vlan configure default-gateway address to switch-adress in respective vlan.
L3:
the 2848 can take over the routing function.
on both locations
- config vlan1 with the local ip adress of the original router,
- config the connected port with the ip-address of the original router (no vlan's but routing port)
- enable routing
- configure default gateways at both ends.
= location #2 clients to local switch
= location #2 switch to location #1 switch
= location #1 switch to firewall
= location #1 clients to local switch.
= firewall (if not allready present) add static route to location#2 subnet ponting to location #1 switch
= location #1 switch add static route to location#2 subnet pointing to location#2 switch (connecting port)
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тАО05-04-2009 03:28 AM
тАО05-04-2009 03:28 AM
Re: Routing with (2) 2848s
Location #1
Routing enabled
0.0.0.0 0.0.0.0 192.168.1.2
Vlan1
Untagged 1-47
Tagged 48
192.168.1.1
Vlan2
No 1-47
Tagged 48
192.168.2.2
Location #2
Routing enabled
0.0.0.0 0.0.0.0 192.168.1.1
Vlan1
No 1-47
Tagged 48
192.168.1.3
Vlan2
Untagged 1-47
Tagged 48
192.168.2.1
Clients at Location #2 cannot reach 192.168.1.2?
Thanks,
Mark
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тАО05-04-2009 03:55 AM
тАО05-04-2009 03:55 AM
Re: Routing with (2) 2848s
I would suggest this as total setup.
============================================
Location #1
ip routing
ip route 0.0.0.0 0.0.0.0 192.168.1.2
Vlan1
Untagged 1-47
Tagged 48
ip address 192.168.1.1 255.255.255.0
Vlan2
No 1-47
Tagged 48
ip address 192.168.2.2 255.255.255.0
============================================
Location #2
(
ip routing
ip route 0.0.0.0 0.0.0.0 192.168.1.1
can/should be removed because this switch is not really routing
)
Vlan1
No 1-47
Tagged 48
(ip address 192.168.1.3 255.255.255.0 only for management)
Vlan2
Untagged 1-47
Tagged 48
(ip address 192.168.2.1 255.255.255.0 only for management)
============================================
I think one of this settings is what goes wrong:
Clients at Location #1
must have the default gateway set to 192.168.1.1
Clients at Location #2
must have the default gateway set to 192.168.2.2
firewall at location #1
must know the route back to 192.168.2.0
ip route 192.168.2.0 255.255.255.0 192.168.1.1
must accept incomming traffic from 192.168.2.0 (firewall rules)
test with ping
- from 192.168.2.x to 192.168.2.2
- from 192.168.2.x to 192.168.1.1
to test only routing without being concerned about firewall rules
- from 192.168.2.x to 192.168.1.2
you can also use "tracert 192.168.1.2" to see if data is routed at switch-1.