Several VLANS, 2 WAN - balancing load, Failover, and NAT - Oh my
I am bashing my head here to try to understand something that is really not as hard as I do must in my opinion.
I have 3 VLAN (router on a stick configuration) and WAN 2 interfaces on an single router.
VLAN1-> ISPS1
VLAN2, VLAN3-> ISP2
How can I set this up so that VLAN1 uses isps1 as the primary internet connection?
How can I set this up so that VLAN2 and VLAN3 use ISP2 as their primary internet connection?
How can I configure it so that VLAN1 will use ISP2 if isps1 fails?
How can I set this up so that VLAN2, VLAN3 uses isps1 if ISP2 fails?
I came across problems before with problems due to NAT - when you try to use applets IP SLA and event to simply update the commands route map. Has not horribly. So I think I'll send this to the community because I am at a loss and I need to have another set of eyes look at that - if its even something possible using only a single router.
Hello
Here's a way you can do:
VL1_TRAFFIC extended IP access list
ip permit 192.168.1.0 0.0.0.255 any
VL23_TRAFFIC extended IP access list
permit ip 192.168.2.0 0.0.0.255 any
ip licensing 192.168.3.0 0.0.0.255 any
ALS IP 1
8.8.8.8 ICMP echo source s1/0 interface
frequency 4
Timeout 2000
ALS IP 23
ICMP-echo 8.8.8.8 source s1/1 interface
frequency 4
Timeout 2000
Annex to sla IP 1 start now lives forever
calendar of sla IP 23 now start life forever
track 1 ip sla 1
follow the 23 23 ip sla
(1) vLan 1---> isps1 (primary), ISP2 (secondary)
VL1_TRAFFIC allowed 10 route map
corresponds to the IP VL1_ACL
set ip x.x.x.x jump following check accessibility track 1 # next hop isps1
set ip next-hop x.x.x.x # ISP2 next hop
interface f0/0.1
NAT IP in
route VL1_TRAFFIC card intellectual property policy
(2) vLan 2.3---> ISP2 (primary), isps1 (secondary)
VL1_TRAFFIC allowed 10 route map
corresponds to the IP VL23_ACL
track check accessibility ip x.x.x.x next 23 value next hop #ISP2 hop
set ip next-hop x.x.x.x # next hop isps1
interface f0/0.2
NAT IP in
route VL23_TRAFFIC card intellectual property policy
interface f/0.3
NAT IP in
route VL23_TRAFFIC card intellectual property policy
(3) the overload of NAT:
NAT_VL1 allowed 10 route map
corresponds to the IP VL1_TRAFFIC
football game interface s1/0
NAT_VL23 allowed 10 route map
corresponds to the IP VL23_TRAFFIC
match s1/1 interface
IP nat inside source map route NAT_VL1 interface s1/0 #ISP1
IP nat inside source map route NAT_VL23 interface s1/1 #ISP2
Kind regards.
Alain
Remember messages useful rate.
Tags: Cisco Network
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The order of failover and load balancing
Hello
I have the following scenario. An ESXi with 4 Gbps vmnic. The questions are:
(1) if I have a group of ports configured for 'Route based on the original virtual Port code' in the policy of balancing load, and for the same port group I the option button 'Override switch failover command"checked, where I set up 3 of the active adapters vmnic, as well as the other vmic remaining as unused adapter, the ESXi uses the policy that I have configured (in this case 'Route based on the original port code') between the three vmnic load balancing marked as active? Or he uses them in the order that they appear in the section active cards?
(2) Suppossed, I configured the four physical switch ports in an etherchannel group to use 'Route based on the IP hash' load balancing policy. In this situation, then I configured for a certain group of port to only used two active adapters and two others as unused? In this case, ESXi should balance the load using the method hash IP but only in two active adapters? Or it is a misconfigiuration and I should not configure my nic teaming in this way?
(3) the official setup guide says "NOTICE on IP requires the physical switch be configured with etherchannel. For all other options, etherchannel must be disabled. ». How can I I configured my virtual network, if I have a few groups of political ports based on the hash of the IP to use load balancing and another uses 'Route based on the original port code. This is the case when I for example have two management ports using the same vSwitch with four vmnic (where they are configured as an Etherchannel in the physical switch). I would port one or several groups for virtual machines that use the IP of the hash method of balancing the load and vmkernel ports por management uses only a single adapter active with no back and as "based on the source port ID" load balancing as best practices said.
Now, the four vmnic is the same for all traffic. The physical switch ports must be configured in an etherchannel group because certain groups of ports will use the method of IP hash, but others are not. The configuration guide I said SHOULD NOT use etherchannel if I won't use the hash IP method, but I'LL use it, but only in groups of one or more ports.
Maybe I do not share the same vmnic from this situation.
Finally, it's a philosophical question. What is the difference between 'The route based on the source port ID' and the 'road based on the source MAC Hash' load balancing policy? What is the purpose of the second? It is assumed that if I had two different MAC address in a virtual machine, it would be because I had two different virtual cards inside the virtual machine, which would be connected to two different port ID in the vSwitch, I can use the first strategy (based on the original port code). In other words, which would be the case where I had the traffic entering the same vSwitch but port ID with different source MAC address, so I should chose the method to distinguish the Source MAC address load balancing traffic?
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Guido.
(1) as long as you override vmnic only and don't change the policy for this group of ports, he uses the policy configured at level vSwitch and use the selected interface 3 with this policy
(2) it should work, I don't think it's a problem for the switch receive packets on a subset of the aggregation. I do not think that Etherchannel is supported (IIRC, it is a Cisco proprietary protocol, VMware only supports LACP passive, which corresponds to the Port channel world Cisco.) Trouble me if I'm wrong!)
(3) I think that's all right, as I have explained in 2), there is no special negotiations with the consolidation of VMware, the important thing only I know is to configure the port on the side of the switch channel if you decide to use the IP hash (that will lead to important questions)
4) (self labeled) I think it may differ in some cases individuals, as when the operating system use the same MAC address for both NICs (aggregation in-vm) or if you advertise several MAC address for the same network card (ESX in a VM for example would make for its VM). Such cases differently affect this setting.
That is the right question, and I'm curious to know if someone wants to develop on it!
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PowerConnect 5448 several VLANS between upstream and downstream server firewall
I am struggling with what I thought, would be a simple task: route several subnets, each on one VLAN different, a firewall to a server. In fact, I can't even pass the VLAN by default one still looking correct in the address tables and STP.
Port 1 = firewall, VLAN 1 unidentified, 2 VLAN Tag, 1 PVID, tried the two trunk and general patterns
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Other things to note in case it is useful:
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Would it be possible for run you to stick your show output here in the forum. In this way, we can take closer look at what you have configured.
If you connect a desktop/laptop computer (with and intellectual property in the 10.101.0.0/16 range) in a port with the mode of access switchport VLAN 2 are you able to ping IP Interface 10.101.0.2 for 2 VLANS? You could try to disconnect the firewall and the configurations for the port and work on getting through the switch with 2 terminals on a single VLAN. Then, once this is confirmed as work connect the firewall back up with a trunk/general mode adding the VLAN necessary.
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I have three sites
Data center management unit A - main - controller + Access - Point IP 172.16.x.x - Vlan 38
Unit B - system managed by controller IP 172.17.x.x - Vlan 38 Access Points
Unit C - system managed by controller IP 172.18.x.x - Vlan 38 Access Points
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UNIT A - UNIT B - UNIT C
| | |
172.16.X.X 172.17.X.X 172.18.X.X
| | |
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| | |
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| | |
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1252 config several VLAN trunking on ethernet not
Hi all I am new to these forums, but have read some posts on configurations for an AP from 1252 to switch 2950.
I have several VLANS andmultiple SSID configuration on my ap. The switch knows the VLANS on the access point
I think that in the config.
When I put the 2950 in trunk mode on the port, the ap is conencted too, I can see no longer the access point. And none of my ssid / VLAN traffic through the stem net ether to the switch. I think I have a problem with the config of the ap specifically either in the British Virgin Islands (do not understand this virtual port) or in bridge groups. (Never worked with foredeck groups.)
The AP is in stand-alone mode.
Here is my config on the side of the ap.
interface Dot11Radio0
no ip address
no ip route cache
!
the cipher mode vlan 300 encryption tkip aes - ccm
!
broadcasting-key vlan 300 change 600 members-notice change in capacity
!
!
SSID 101
!
SSID 300
!
countermeasure tkip duration of maintaining 120
gain of antenna 0
Base-1 speed, 0 2.0 5.5 11.0 6.0 12.0 9.0 18.0 24.0 36.0 48.0 54.0 m0. M1. M2. M3. M4. M5. M6. M7. M8. M9. M10. M11. M12. M13. M14. M15.
root of station-role
Bridge-Group 1
Bridge-Group 1 block-unknown-source
No source of bridge-Group 1-learning
unicast bridge-Group 1-floods
Bridge-Group 1 covering-disabled people
!
interface Dot11Radio0.100
encapsulation dot1Q 100
no ip route cache
Bridge-group 100
100 block-unknown-source bridge-group
No source of bridge-group 100-learning
No bridge group 100 unicast-flooding
Bridge-group 100 covering people with reduced mobility
!
interface Dot11Radio0.300
encapsulation dot1Q 300
no ip route cache
Bridge-group 255
Bridge-group subscriber-loop-control 255
Bridge-group 255 block-unknown-source
No source of bridge-group 255-learning
No bridge group 255 unicast-flooding
Bridge-group 255 covering people with reduced mobility
!
interface Dot11Radio1
no ip address
no ip route cache
!
the cipher mode vlan 300 encryption tkip aes - ccm
!
broadcasting-key vlan 300 change 600 members-notice change in capacity
!
!
SSID 101
!
SSID 300
!
countermeasure tkip duration of maintaining 120
gain of antenna 0
DFS block 3 Strip
Speed - Basic6.0 9.0 12.0 18.0 36.0 24.0 48.0 54.0 m0. M1. M2. M3. M4. M5. M6. M7. M8. M9. M10. M11. M12. M13. M14. M15.
channel SFR
root of station-role
!
interface Dot11Radio1.100
encapsulation dot1Q 100
no ip route cache
Bridge-group 100
100 block-unknown-source bridge-group
No source of bridge-group 100-learning
No bridge group 100 unicast-flooding
!
interface Dot11Radio1.300
encapsulation dot1Q 300
no ip route cache
Bridge-group 255
Bridge-group subscriber-loop-control 255
Bridge-group 255 block-unknown-source
No source of bridge-group 255-learning
No bridge group 255 unicast-flooding
Bridge-group 255 covering people with reduced mobility
!
interface GigabitEthernet0
no ip address
no ip route cache
automatic duplex
automatic speed
!
interface GigabitEthernet0.51
51 native encapsulation dot1Q
no ip route cache
Bridge-Group 1
No source of bridge-Group 1-learning
Bridge-Group 1 covering-disabled people
!
interface GigabitEthernet0.100
encapsulation dot1Q 100
no ip route cache
Bridge-group 100
No source of bridge-group 100-learning
Bridge-group 100 covering people with reduced mobility
!
interface GigabitEthernet0.300
encapsulation dot1Q 300
no ip route cache
Bridge-group 255
No source of bridge-group 255-learning
Bridge-group 255 covering people with reduced mobility
!
interface BVI1
IP 10.131.10.70 255.255.255.0
no ip route cache
!
51 of VLAN is what I'm trying to trunk more. VLAN 100 is my networks vlan normal almost everything at the moment. And my attempt to secure traffic wireless to a new vlan Vlan 300 more course on my local network.
VLAN 51 has no ip address range
IP VLAN 100 range is 10.131.10.0
10.131.11.0 between 300 VLAN
The routing goes to my switch 3750 core / router, but the access point is conencted to a 2950 namely shared resources to my layer distribution on a stack of 2975. Once again the vlan 300 works on the 2975 stack and will pull dhcp if it is enabled. Have not tried this on the 2950 yet, but I suspect it will also work based on the setting of the trunk on the s950 battery of 2975.
In any case, I want to be able to do is have multiple VLANs configured on the AP (from most secure to least guarantee based on the capabilities of the equipment) and that traffic vlan tag go to my 3750 possibly for other guidelines.
Here, any help would be greatly appreciated.
Thank you for taking the time to read this.
Sincerely,
Kevin Pulford
Systems administrator
Harmon city, Inc.
Yes, remove the vlan 51 can tell vlan 100 is the native, and there will be a link to bridge - Group 1. Then change the switch port to vlan 100 native. You should then be able to reach the access point via telnet/GUI.
orders will be:
config t
No int dot11radio0.51
No int dot11radio1.51
No int g0.51
int dot11radio0.100
100 native encapsulation dot1q
int dot11radio1.100
100 native encapsulation dot1q
int g0.100
encapsulation dot1q 100 natively.
To be sure, save reboot and wr mem.
-
4235 IDS Sensor monitoring several VLANS &; TCP Reset (packet Injection)
I understand that the 4235 sensor can receive traffic are split to several VLANs than 802. 1 q tags have been placed on the switches (3750 of in this case).
I have two questions (account required to the statement above in correct).
1 is it possible to inject traffic (eg. reset the TCP sessions) in each of VLAN monitored (i.e. the 4235 would mark the package injected with good destination VLAN for the response) or only the native/actual VLAN the SPAN destination.
2. is the traffic carried by the 4235 as coming from multiple virtual interfaces (eg. for the period of INVESTIGATION purpose spoof detection within each VIRTUAL local area network)?
Thanks much for the reading of the same day. Any input greatly appriciated.
On your second question, no. monitored traffic is considered as coming from a single virtual interface. The sensor reads the header of the vlan on the packages wrapped and includes with the alarm and more uses for TCP resets. But, you can apply signatures for traffic VLAN specific sensor is followed.
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Hello
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Any ideas? Anything I'm doing wrong?
Thank you for your help.
Best regards
Thomas
I know that if you have an ASA or a router, you can define as VLANS to pass through the tunnel.
Do not have access to a SA520W to test...
A recommendation might be to post the question on the SMB community where they answered questions related to this product, just to check what other people did.
Federico.
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I get to the point where my campus wireless network grows beyond the size of the subnet that I am uncomfortable dealing with. I have a WISN and WCS and spin the latest IOS on each. Is it possible to use several VLANS on a campus-wide SSID?
Or, can I put the same SSID on both controllers and map it to two separate without causing problems roaming VIRTUAL networks?
Thank you
Eric
Hi Eric,.
Yes we do, and this feature is called grouping AP on WLC... Here is the sample configuration to do the same thing...
http://www.Cisco.com/en/us/Tech/tk722/tk809/technologies_configuration_example09186a008073c723.shtml
Concerning
Surendra
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Hello
To verify if the standby PB works perfectly in case of failure, we go to our database before failover. Swicthover_status replied with swicthover not allowed in elementary school, I decided the procedure below:
1. judgment of the primary DB.
2. turn the main eve
3 perform dml on new primary, when the work is done, the new principal will not be necessary.
Now my task is, if I'm doing a cold backup of db pending before making primary, can I replace the backup to cold after the task so that it behaves like db Eve as it was before? In this case, I don't need to recreate the standby db.
Kind regardsHello;
Probably not. You have several questions. This method is likely to worse instead of better. If you want to test failover to bring flashback working on the primaries and the sides of the day before.
After a failover, you want to retrieve primary school, the old primary as new secondary. Once it is functional, you get two SYNCHRONIZED servers and perform a failover and primary school and the day before are back the way they should be.
I test short notes here:
http://www.Visi.com/~mseberg/data_guard/Data_Guard_Failover_Test_using_SQL.PDF
Update
What you might consider is the method of cold backup is a false test. This isn't how he'll get into the real world. In my view, that the test should align as closely to what could happen in production as possible.
Failover is also something you should give a lot of thought to. I have databases where if the power failure is about 5 minutes or less the failover is more trouble and more risk than its worth. I have other where they need to be in place 24/7. Ask yourself if you can make a move to the square. What are your other options? Its great to have a failover plan and be prepared, but less use you it the better I say.
Best regards
mseberg
Published by: mseberg on March 27, 2013 07:15
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PowerConnect 2848 - several VLANS on the 1 port does not
Hello everyone.
I have a Dell PowerConnect 2848. My router is a Netgear SRX5308. In the router, I've created several VLANs (VLAN ID 10 and 20) and would that pass to the ESXi server. If I connect the ESXi server directly to the router, everything works as expected. My VMs are picking up correct VLAN based on the parameters of ESXi.
I need the 2848 between the two, because I need to add more devices and other servers with a VLAN specific.
Currently I use port 25 for switch 2848.
I put the switch to managed mode.
I created switch-> VLAN-> belonging to a VLAN, VLAN ID 10 and 20.
I select 10 VLANS and put the T on port 25.
I select the VLAN 20 and put the T on port 25. (I also tried to put a U on them, just to try, but did not work)
But my virtual computer are not able to reach the DHCP on the router.
Spanning Tree is enabled.
I'm obviously missing something...
I have already passed last week banging my head on this, but have not been able to pass traffic along.
Help, please!
So you're on the right track. If port 25 is facing the router? What port must face the ESXi Server? That port should also have VLAN 10 and 20 should be labelled.
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