Thanks for the response. My thinking is obviously not clear yet. I was hoping to configure a machine (and VLAN membership) based on the machine's IP address rather than specifying a port (your xxx would be 1/g10?). I realize the original VLAN spec works on layer 2 but, in my reading, I thought I came across something that said I could assign a machine (regardless of port) to a VLAN based on the machine's IP address.
Do you have 192.168.3.1 set as the default gateway on the workstation?
A default route is a path for the router that states where to send all traffic that has no other specifically defined routes in the routing table.
console(config)# ip route 11.0.0.0 255.255.255.0 10.0.0.5 (syntax = "ip route 'dest network' and 'mask' 'next-hop' and address 'metric'")
console(config)# exit
console# show ip route
Route Codes: R - RIP Derived, O - OSPF Derived, C - Connected, S - Static B - BGP Derived, IA - OSPF Inter Area E1 - OSPF External Type 1, E2 - OSPF External Type 2 N1 - OSPF NSSA External Type 1, N2 - OSPF NSSA External Type 2
Now I have two ports set for VLAN 2 with computers plugged into those ports. Static IPs set 192.168.3.3 and 192.168.3.5. I can ping between them. I can't get to or from any devices on VLAN 1.
I do have 192.168.3.1 set as the default route on the computer. The switch never answers the computer's ARP request for the MAC for that IP - I'm snooping the computer's interface with wireshark.
I can arp/ping the other computer on the VLAN which is at 192.168.3.5.
On Dell layer 3 switches (except 6024), the management vlan cannot be routed. By default, the management vlan is 1. If you want to route vlan 1, you need to change the management vlan to something else and then you will be able enable routing on vlan 1. You can manage the switch via a routing interface also.
It should are you able to ping the workstation 192.168.3.3 from the switch?
You might do a traceroute to see the path. If you have VLAN 10 set up with ip address 192.168.3.1. Then have an interface set up with switchport access to vlan 10 with an ip in the same subnet and the gateway of 192.168.3.1. You should be able to reach that without any routing set up on the switch.
The interface answers my ARPs on the computer at 192.168.3.3.
I put the management interface on VLAN 99 at IP 192.168.4.2. just to get it out of the way.
I tried to configure a route as you describe above.
ip route 192.168.3.0 255.255.255.0 192.139.238.27
No luck. Error was
The static route will not take effect until a routing interface
belonging to the same subnet as the next hop IP is created and activated.
hmm. maybe something is up on the interface.. sure enough:
show ip interface vlan 10
produced the line:
Routing Interface Status....................... Down
hmm. why not redo the commands?
curetes(config)#interface vlan 10
curetes(config-if-vlan10)#routing
curetes(config-if-vlan10)#exit
curetes(config)#ip routing
curetes(config)#exit
curetes#show ip interface vlan 10
Routing Interface Status....................... Up
Now the Routing interface is UP and the switch answers my ARPS on the 192.168.3.x network.
Packets route from 192.168.3.x to 192.139.238.x but not the other way
curetes#show ip route
Route Codes: R - RIP Derived, O - OSPF Derived, C - Connected, S - Static
B - BGP Derived, IA - OSPF Inter Area
E1 - OSPF External Type 1, E2 - OSPF External Type 2
N1 - OSPF NSSA External Type 1, N2 - OSPF NSSA External Type 2
C 192.139.238.0/24 [0/1] directly connected, vlan 1
C 192.168.3.0/24 [0/1] directly connected, vlan 10
I tried to figure out your routing commands as you outlined in your post of 06-05-2012 12:50 PM but it would not accept it. Would you be so kind as to repeat it again with my networks? switch interfaces are at 192.168.3.1 and 192.139.238.79.
"Packets route from 192.168.3.x to 192.139.238.x but not the other way"
That sounds like you need a route on the 192.139.238.x router/gateway. The route is going out but not coming back. Therefore the upstream router needs a route something like:
192.168.3.0 255.255.255.0 (interface coming out of 192.139.238.x or next hop address)
DELL-Willy M
802 Posts
1
June 6th, 2012 12:00
Yes, that would be my suggestion.
DELL-Willy M
802 Posts
0
May 30th, 2012 13:00
I do not see any ports set for VLAN 2. Once you have a port set up with access mode VLAN 2 it should change the status.
It is like not having the other end of the cable plugged into a physical port.
Example for access mode:
console# configure
console(config)# interface ethernet xxx
console(config-if)# switchport mode access
console(config-if)# switchport access vlan xxx
console(config-if)# end
If you are trunking you would need to use the General Mode on the 62XX.
console# configure
console(config)# interface ethernet xxx
console(config-if)# switchport mode general
console(config-if)# switchport general allowed vlan add 100 tagged
console(config-if)# switchport general allowed vlan add 101 untagged
console(config-if)# end
Hope this helps,
Keep us updated if you can
TheDonExperienc
13 Posts
0
May 30th, 2012 14:00
Thanks for the response. My thinking is obviously not clear yet. I was hoping to configure a machine (and VLAN membership) based on the machine's IP address rather than specifying a port (your xxx would be 1/g10?). I realize the original VLAN spec works on layer 2 but, in my reading, I thought I came across something that said I could assign a machine (regardless of port) to a VLAN based on the machine's IP address.
ThiloWunderlich
37 Posts
0
May 31st, 2012 01:00
sorry, can't really help but while reading some things come to my mind:
you write you are using a private class C network
>ip address 192.139.238.79
this is NOT a private network, it belongs to a company in Canada. Besides this, classfull networks are obsolete since 20 years :) [1] [2]
We did have the same thing here, and changed it thoughout the whole company. years ago but still find sometimes
the old IP in configs :)
>finding devices that won't work with anything other than /24
I'm just curious, did you ever stumble across such a device?
[1] en.wikipedia.org/.../Classless_Inter-Domain_Routing
[2] en.wikipedia.org/.../Private_network
Thilo
TheDonExperienc
13 Posts
0
June 5th, 2012 12:00
correction - second line should be "VLAN 10" not "VLAN 2"
DELL-Willy M
802 Posts
0
June 5th, 2012 12:00
Do you have 192.168.3.1 set as the default gateway on the workstation?
A default route is a path for the router that states where to send all traffic that has no other specifically defined routes in the routing table.
console(config)# ip route 11.0.0.0 255.255.255.0 10.0.0.5 (syntax = "ip route 'dest network' and 'mask' 'next-hop' and address 'metric'")
console(config)# exit
console# show ip route
Route Codes: R - RIP Derived, O - OSPF Derived, C - Connected, S - Static B - BGP Derived, IA - OSPF Inter Area E1 - OSPF External Type 1, E2 - OSPF External Type 2 N1 - OSPF NSSA External Type 1, N2 - OSPF NSSA External Type 2
C 10.0.0.0/24 [0/0] directly connected, vlan 10
S 11.0.0.0/24 [1/0] via 10.0.0.5, vlan 10
TheDonExperienc
13 Posts
0
June 5th, 2012 12:00
Thanks for your help.
Now I have two ports set for VLAN 2 with computers plugged into those ports. Static IPs set 192.168.3.3 and 192.168.3.5. I can ping between them. I can't get to or from any devices on VLAN 1.
Here is my config now:
!Current Configuration:
!System Description "PowerConnect 6248, 3.3.3.3, VxWorks 6.5"
!System Software Version 3.3.3.3
!Cut-through mode is configured as disabled
!
configure
vlan database
vlan 10,20
vlan routing 10 1
vlan association subnet 192.168.3.0 255.255.255.0 10
exit
hostname "curetes"
sntp broadcast client enable
sntp server 192.139.238.68
stack
member 1 2
member 2 2
member 3 2
member 4 2
exit
ip address 192.139.238.79 255.255.255.0
ip default-gateway 192.139.238.27
ip domain-name mydomain.com
ip name-server 192.139.238.33
ip routing
interface vlan 10
routing
ip address 192.168.3.1 255.255.255.0
ip netdirbcast
exit
username "admin" password XXXXXXXXXXXXX level 15 encrypted
!
interface ethernet 1/g23
switchport access vlan 10
exit
!
interface ethernet 1/g25
switchport access vlan 10
exit
exit
My computer on 192.168.3.3 is in VLAN 10. It can't ARP 192.168.3.1. Shouldn't the switch respond to the ARP?
What does the default route on the switch really do?
We have always simply configured the default route on our devices to be our firewall interface - with the firewall and all devices are on VLAN 1.
Thanks in advance.
Don
TheDonExperienc
13 Posts
0
June 5th, 2012 13:00
Could many of my problems be related to the fact that, with the exception of these two computers in VLAN 10, all my other systems are in VLAN 1?
TheDonExperienc
13 Posts
0
June 5th, 2012 13:00
I do have 192.168.3.1 set as the default route on the computer. The switch never answers the computer's ARP request for the MAC for that IP - I'm snooping the computer's interface with wireshark.
I can arp/ping the other computer on the VLAN which is at 192.168.3.5.
DELL-Willy M
802 Posts
1
June 5th, 2012 14:00
On Dell layer 3 switches (except 6024), the management vlan cannot be routed. By default, the management vlan is 1. If you want to route vlan 1, you need to change the management vlan to something else and then you will be able enable routing on vlan 1. You can manage the switch via a routing interface also.
console> enable
console# config
console (config)# vlan database
console (config-vlan)# vlan 99
console(config-vlan)# exit
console (config)# ip address vlan 99
console (config)# interface vlan 1
console (config-if-vlan1)# routing
DELL-Willy M
802 Posts
1
June 5th, 2012 15:00
It should are you able to ping the workstation 192.168.3.3 from the switch?
You might do a traceroute to see the path. If you have VLAN 10 set up with ip address 192.168.3.1. Then have an interface set up with switchport access to vlan 10 with an ip in the same subnet and the gateway of 192.168.3.1. You should be able to reach that without any routing set up on the switch.
TheDonExperienc
13 Posts
0
June 5th, 2012 15:00
Done.
Now, as a routing interface, should
interface vlan 10
routing
ip address 192.168.3.1 255.255.255.0
ip netdirbcast
exit
shouldn't the switch answer an arp on 192.168.3.1?
TheDonExperienc
13 Posts
0
June 5th, 2012 19:00
I can now ping 192.168.3.3 from the switch. Yay!
The interface answers my ARPs on the computer at 192.168.3.3.
I put the management interface on VLAN 99 at IP 192.168.4.2. just to get it out of the way.
I tried to configure a route as you describe above.
ip route 192.168.3.0 255.255.255.0 192.139.238.27
No luck. Error was
The static route will not take effect until a routing interface
belonging to the same subnet as the next hop IP is created and activated.
hmm. maybe something is up on the interface.. sure enough:
show ip interface vlan 10
produced the line:
Routing Interface Status....................... Down
hmm. why not redo the commands?
curetes(config)#interface vlan 10
curetes(config-if-vlan10)#routing
curetes(config-if-vlan10)#exit
curetes(config)#ip routing
curetes(config)#exit
curetes#show ip interface vlan 10
Routing Interface Status....................... Up
Now the Routing interface is UP and the switch answers my ARPS on the 192.168.3.x network.
Packets route from 192.168.3.x to 192.139.238.x but not the other way
curetes#show ip route
Route Codes: R - RIP Derived, O - OSPF Derived, C - Connected, S - Static
B - BGP Derived, IA - OSPF Inter Area
E1 - OSPF External Type 1, E2 - OSPF External Type 2
N1 - OSPF NSSA External Type 1, N2 - OSPF NSSA External Type 2
C 192.139.238.0/24 [0/1] directly connected, vlan 1
C 192.168.3.0/24 [0/1] directly connected, vlan 10
I tried to figure out your routing commands as you outlined in your post of 06-05-2012 12:50 PM but it would not accept it. Would you be so kind as to repeat it again with my networks? switch interfaces are at 192.168.3.1 and 192.139.238.79.
Thank you so much.
TheDonExperienc
13 Posts
0
June 6th, 2012 10:00
Yea, I've seen all the error messages when I have tried to get this to work :
curetes(config)#ip route 192.168.3.0 255.255.255.0 192.139.238.79
The specified Static Route Next Hop Router Address is invalid.
I'm trying to route between two vlans on the same switch.
DELL-Willy M
802 Posts
1
June 6th, 2012 10:00
"Packets route from 192.168.3.x to 192.139.238.x but not the other way"
That sounds like you need a route on the 192.139.238.x router/gateway. The route is going out but not coming back. Therefore the upstream router needs a route something like:
192.168.3.0 255.255.255.0 (interface coming out of 192.139.238.x or next hop address)