IPS inline & port interface port trunk Switch

Similar Questions

• LGS308 Port Trunking Switch Cisco 3650

  I have a Cisco 3650 switch I need to connect my Linksys LGS308 again. I have the port trunking install everything on the side of Cisco, however, I'm not very familiar with trunking on the side of Linksys. What should the configuration looks like on the side of Linksys? Currently, I installed port no. 1 port trunking, and all VLAN belong them to this port. Once I have save the configuration, I can access is no longer the switch. Any ideas?

  The series of LGS Linksys has the same methodology VLAN that Cisco switches series SG.

  Which means a Port marked as port VLAN Trunk will be no marked member (PVID) of a single VLAN and can have several VLAN Tag assigned.

  Example:

  Cisco 3650: Port 1 set as a VLAN Trunk; PVID = 1 and tag VLAN 2,3,4

  LGS308: Port 1 set as a VLAN Trunk; PVID = 1 and tag VLAN 2,3,4; Management VLAN = 1,

  The IP address of the subnet IP of VLAN1

• IPS Inline Mode Interface - you can use a port channel?

  Hello

  I am trying to determine if you have a 2-gig Layer 3 Port channel through a 4260 IPS appliance. See the attached diagram. Is this possible?

  The customer, I work with would prefer not to enter this cost equal to Port-Channel 1 gig of links (I don't think that there is a difference in performance...) However, I think that if they want the device inline, as the diagram shows - they will have to break the port-channel. Is this a correct assumption?

  Thank you

  Brad

  Asymmetric traffic will prevent the sensor works best, he is capable. There is a configuration that can be done to allow the detector deployed in an asymmetrical environment, BUT it can affect the ability of the sensor to detect attacks, allows through evasions which would have been prevented and will not affect general performance of the sensor.

  If running in unbalanced mode should be avoided if possible. BT in cases where it cannot then the sensor always allows with degraded functionality.

  Traffic spikes above what the sensor can manipulate at will cause ignored packets. There is no help for too much traffic.

  The relief you talk I guess is the bypass function. The bypass feature does not affect during the subscription of the sensor. The bypass feature will only kick if the analytical engine crashes due to a bug.

• The switch configuration of 6500 catalyst for IPS Inline the METHOD works

  I understand how to configure the switch Catalyst 6500 so that the monitoring of ports are access ports in two VLAN separate operation online.

  However, I don't see any document that describes how the desired VLAN traffic gets forced through the IPS.

  "Promiscuous" mode, you can use copy/capture VACL and forwards traffic wished the METHOD of analysis. I don't see how to get traffic desired through the IPS.

  Note that the 6500 host is running native SXE IOS 12.2 (18).

  Thanks for any help.

  A transparent firewall is a pretty good comparison.

  Say you have vlan 10 with 100 PCs and 1 router for the network.

  If you want to apply a transparent firewall on this vlan you can put not just the Firewall interface on vlan 10. Nothing would go through the firewall.

  Instead, you need to create a new vlan, say 1010. Now you place the Firewall interface on vlan 10 and the other on the vlan 1010. Nothing is still going through the firewall. So now move you that router from vlan 10 to vlan 1010. Everything you do is to change the vlan, IP address and the mask of the router remain the same.

  The firewall transparent bridge vlan 10 and vlan 1010. The SCP on the vlan 10 ae is able to communicate and through the router, but must go through the transparent firewall to do.

  The firewall is transparent because there no IP Route between 2 VLANS, instead, the same IP subnet is on the VLAN and the transparent firewall ensuring the beidges between the 2 VLANS.

  The transparent firewall can do firewall between the SCP on the vlan 10 and the router on vlan 1010. But PC has vlan 10 talks for PC B on vlan 10, then the transparent firewall does not see and cannot block this traffic.

  An InLine sensor is very similar to the transparent firewall and will fill between the 2 VLANS. And similarly an InLine sensor is able to monitor InLine between PCs traffic on vlan 10 and the router on vlan 1010, but will not be able to monitor the traffic between 2 PCs on vlan 10.

  Now the PC on the other vlan and the router on a virtual LAN is a classic deployment for the sensors online, but your VLAN need not be divided in this way. You can choose to place some servers in one vlan and desktop to another vlan. You subdivide them VLAN to whatever the logical method for your deployment.

  Now for the surveillance of several VLANs the same principle still applies. You can't control traffic between machines on the same vlan. So for each the VLAN that you want to analyze, you will need to create a new vlan and divide the machines between the 2 VLANS.

  In your case with Native IOS, you are limited to only 1 pair of VLAN for InLine followed, but your desired deployment would require 20 pairs of vlan.

  The IPS 5.1 software now has the ability to manage the 20 pairs, but the native IOS software doesn't have the ability to send the 40 VLAN (20 pairs) to the JOINT-2.

  Changes in native IOS are in testing right now, but I have not heard a release date for these changes.

  Now cat BONES has already made these changes. So here is a breakdown of basic of what you could do in the BONE of cat and you can use to prepare for a deployment native IOS when it came out.

  For VLAN 10-20 and 300-310, you want monitored, you will need to break each of those VLANs in VLAN 2.

  Let's say that keep us it simple and add 500 to each vlan in order to create the new VLAN for each pair.

  Therefore, the following pairs:

  10/510, 511/11, 12/512, etc...

  300/800, 801/301, 302/802, etc...

  You configure the port to probe trunk all 40 VLAN:

  set the trunk 5/7 10-20 300-310 510-520 800-810

  (And then clear all other vlans off this trunk to clean things up)

  In the configuration of JOINT-2 create the 20 pairs of vlan inline on interface GigabitEthernet0/7

  NW on each of VLAN original 20 leave the default router for each LAN virtual vlan original to the vlan 500 +.

  At this point, you should be good to go. The JOINT-2 will not track traffic that remains inside each of the 20 VLAN original, but would monitor the traffic is routed in and out of each of the 20 VLAN.

  Due to a bug of switch, you may need to have an extra PC moved to the same vlan as the router if the switch/MSFC is used as the router and that you deploy with a JOINT-2.

• Catch 22 - Port Trunk Configurations: how to combine identifiers VLAN native with DHCP (but allows traffic of VM)

  Catch 22 - Port Network Configurations: how to combine identifiers VLAN native with DHCP (but allow the virtual computer)

  I came across a Catch 22.  Maybe someone can restore the directly here.  I found a "witch hunt" for sure.

  It comes with the Ports of junction on the side of the switch of the ESX host network.

  Context:

  Ok. The Setup is a HP Blade C7000 enclosure.  I try to configure ports for switching to the blades.  ESX 3.5 U4 will be installed the BL460cs.  Installation is preferred method: revive unattended.  No problem with the syntax of Kick-Start,

  I am here, it's the side network.

  The problem:

  I find a major complication in that the switch ports must be configured for both traffic Service Console and VMkernel, more Virtual Machine since only two NICs by blade. Not best practices, but we have only two switches Cisco 3020 inside.  The two uplink physical NIC is paired in the same vSwitch.  (No iSCSI does fortunately).

  So the Catch 22 question is as follows:

  If the id VLAN native set up on the switch port, DHCP works of course and the VMware boot loader is able to grasp a binary / packets on the network (FTP Site) and install OK.  But after no installation, no communication with SC unless I set the VLAN id of the SC to '0 '.  The value "4" 0 does not communication, but "40" is the VLAN native.

  If id configuring VLAN native retired from the Switch port, DHCP will not work and host does not have IP address during the VMware boot process.  This is as expected as traffic without label is not assigned an eligible

  VLAN, so no comms.

  The Port of the Switch configuration:

  interface GigabitEthernet0/16

  SERVERNAME description

  switchport trunk encapsulation dot1q

  switchport trunk vlan native 40

  switchport trunk allowed vlan 40-254

  switchport mode trunk

  switchport nonegotiate

  Speed 1000

  No cdp enable

  spanning tree portfast trunk

  end

  Summary

  OK, let's summarize where things are and if possible please attach responses to their digital identity.

  (1) is there a way to delete the VLAN tagging altogether side ESX host? Not only the id '0 '. The problem is with clearly with the VLAN native defined as "40".  If "40" IDs specified on the Group of ports for the Service Console, no joy, no comms. If the id of '0' value, capable of ping gateway and communicate on the network.

  (2) what is the problem with the definition of VLAN native as "40" when the config for the switch port is set as VLAN native "40"?  Or if it was a problem?  Both parameters clearly do not work together.

  (3) a switch receiving a unmarked frame it will assign to the VLAN Trunk native. Ok. Trunking bases and why I need a VLAN specified on the port for DHCP native work.  But it seems that since the id VLAN is set manually even as VLAN native, closed communications and no traffic as possible.

  (4) executives made tag 802. 1 q VLAN native?  I think that it is not and this could well be the problem. Since the id VLAN "40" is not labeled, but try to score the side host vSwitch port group.

  Please let me know your thoughts, community and how in general, we are approaching 2 NIC ESX configurations.

  When trunking multiple VLANs, you either have a default VLAN is nothing is tagged, or you don't.  That's what the vlan native to you, it defines which VLAN would be used if no tag is visible on the packets traversing the network.  For servers, if you are marking, then everything has to tag, if you're not marking at the server level, then the port must be either an access port or a VLAN native or default must be set.  I also don't keep your service console the same network as your vm.  Keep this isolated for the security of the network.  If you isolate this VLAN, you can separate and use a single IP address for installation and one for post construction.

  Or, you can provide an IP address during the build.

  -KjB

  VMware vExpert

• Port MGMT switch 3850

  Hello

  I've 3850 configured as a switch Board where I run BGP on it. I do not you connected our network MGMT port internal mgmt in light of security concerns. So what worries me is if the switch gets somehow hacked from the outside (we run SSH or HTTP server on it) the attacker access the MGMT port or not? MGMT interface is on a separate data plan, so there is no possible way to get the controller above the switch ports? I couldn't find this info in the Administrator's guide, so I ask if anyone of you know :).

  Thank you!

  The management port catalyst 3850, like many others of the most modern Cisco switches use a completely separate virtual routing and transfer (VRF) instance.

  As long as you do not expose the interfaces of layer 3 (routed ports or switch Virtual Interfaces (LASS)) to the outside world, your management plan is totally isolated. If the switch had external interfaces L3 and was completely compromised, you can connect to the switch and then throwing sessions (from the switch itself) for the accessible host internally which can be consulted via the VRF management.

  For more information about the internal architecture of the switch, please see Presentation Cisco Live BRKARC-3438. Notes on slide 30 + how they show the 'PEM' (the management Ethernet Port) directly connected to the switch CPU and don't share does not return or controllers that govern data ports.

  Also note the configuration guide which States:

  The switch cannot route packets from Ethernet port to a port in network management and vice versa.

• SLM2024 port trunking

  I have a few SLM2024s that I need to configure it with a few VIRTUAL local networks that allow communication between the VLAN specific.  I think I understand how to do this, with the exception of the connection to the router.  It is my understanding that I need to configure the port on the router as a Trunk port.  However, I can't understand how to do this in the SLM2024.  Not support port trunking?

  Edit: Or I'm completely wrong to think that I have to configure the port on the router as a trunk?  I can set up communication between the VLANS without trunking port?

  WebEx sounds good. Our number here is 866.606.1866. You will need to have two things, your Cisco.com (aka CCOID) login ID and serial number. You can ask for me directly if you wish.

  Kind regards

  Christopher

• IPS Inline vlan pair

  Hello

  I want to set up the pair of vlan IPS inline for DMZ area, I have been through the guide of the user for pair of vlan IPS 7.0 heading inline, as I saw the pair configuration example of vlan inline, but it is not unclear to me

  Please take a look at the attached and pls explain the flow of traffic, the server goes to internet if we create a pair of vlan.

  Each default gateway server is firewall DMZ ASA interface.

  Thank you

  You are right.

  Traffic runs just like that. All servers will be on VLAN 2 from the switch and the ASA on the VLAN 3 all connected to the same switch. The IPS will be also connected to these same switches. A single interface to the IPS will be be connected to a trunk port on this switch with two VLANs allowed on the trunk and the pair VLAN configured on the IPS.

  You are right.

  BTW. Yesterday I saw someone on a study group request the same thing as you.

• Channel ports (connection linked to the North) and uplink interface (private storage switch)

  Hello

  What will be the best configuration if I connect 2ports north bound connection and has been applied to the port channel. and I go to configuration 2ports uplink for storage (private switch) interface. All cisco switches.

  2 x 2104XP IOM

  2 x FI 6120XP

  Thank you.

  Dexter

  Hi Dexter,

  Since you will have two / several switches uplink to which you will have an Ethernet to the North, a what you will have to configure is the layer 2 disjoint.

  You must be on any version 2.0 to configure that.

  Here are a few documents to help you with the details:

  http://www.Cisco.com/en/us/solutions/collateral/ns340/ns517/ns224/ns944/white_paper_c11-692008.html

  http://www.Cisco.com/en/us/docs/unified_computing/UCS/SW/GUI/config/Guide/2.0/b_UCSM_GUI_Configuration_Guide_2_0_chapter_010101.html

  Thank you!

  . / Afonso

• Connection to the internet with the 8 port Gig switch

  Hey you all the benefits.  I have 6 desktop computers in my house right now, and each of them should be wired.  I thought I'd get the EG008W 8 port 10/100/1000 switch, but before I do that, I need to know if I can run the cable my modem Cat5 cable to a port on the switch uplink to provide access to each 6 workstations in my home?

  Thank you!!

  The WRT610N is not an uplink port. It has a port from the internet. As a router, it offers two different interfaces, one for the internet side and one for the side LAN (the side LAN is connected to a switch 4 ports). A router separates the two sides and routes traffic between them.

  An ethernet switch extends an ethernet network. It is not a router. It doesn't have an internet port or similar. It does not separate anything. He joins all devices connected on the same LAN.

  Older ethernet switches had uplink ports to post a link with other switches. This is because older switches do not have ports to detection automatic, which means that they are not able to know you used a cross-cable or right to connect. With the new switches you don't have to worry about it more. They configure each port correctly some cable you are using and any other device you connect to. All the switch ports are the same.

  You can get the EG switch that you mentioned before or any other ethernet switch to expand the number of ports wired in your LAN. One of the ports on the switch simply connecting to a port LAN of the WRT, and you can use all the remaining ports on the WRT and the switch. Do not connect the switch ethernet directly to your modem. Only the WRT.

• Port Trunk on Vmware EXSi 5?

  Hello

  We have vShpere Essentials more here with EXSi 5. I want to trunk 4 times of the network ports for each host. Then on Vmware, we can choose what VLAN belongs to the Virtual Machine.

  I think I know how to configure the Cisco switch. Series 4 ports in a trunk and puts all 4 ports in a channel group. I don't know how to configure Vmware. Someone has links to blogs with guides step by step please?

  Thank you

  QantasA380 wrote:

  Thanks for your help. I'll test this tomorrow (if I have time). I guess it's just a trunk mode standard switchport - nothing special on the cisco switch otherwise?

  Thank you

  Yes, that's correct.

  It is recommended to configure the portfast too.

• Network of twinning with Port trunks to support the host ESX VShere 4 with several NIC for load balancing across a HP ProCurve 2810 - 24 G

  We are trying to increase production of our ESX host.

  ESX4 with 6 NIC connected to HP Procurve 2810 - 24G 2 ports; 4; 6; 8; 10 and 12.

  The

  grouping of parameters on ESX is rather easy to activate, however, we do not know

  How to configure the HP switch to support above connections.

  Pourrait

  someone please help with a few examples on how to seup the HP switch.

  Help will be greatly appreciated as we continue to lose tru RDP sessions

  disconnects.

  Best regards, Hendrik

  Disabling protocols spanning-tree on the Procurve ports connected to the ESX host is going to promote a recovery more rapid port. Similarly, running global spanning tree is not recommended if you mix some VLAN iSCSI and data in the same fabric (i.. e. you do not want a STP process to hang storage IO). Spanning tree on your switches, look PVST (or Procurve BPMH) to isolate the STP VLANs unique events.

  In regard to the load balancing is, by default (route based port ID) value algorithm requires less overhead on the ESX hosts.  You may not use LACP on the Provurve the lack of facilities LACP ESX. You must use "route based on the IP hash" sideways ESX and 'static trunks' on the side of Procurve. Unless you have specific reasons why your network need loads this configuration, I'd caution against it for the following reasons:

  (1) IP hash requires thorough inspection of packages by the ESX host, increasing CPU load as load package increases;

  (2) the static configuration puts switch physics rigid and critical ESX host port mapping. Similarly, groups of ports all will fail as the Procurve batteries for management only and won't be on switches 802.3ad circuits Group (i.e. all ports of a group of circuits must be linked to a single switch) - this isn't a limitation of the port ID routing;

  (3) K.I.S.S. love port ID mix of port ID, beacon probe and failover on the port assignments you will get segregation of the raw traffic without sacrificing redundancy - even through switches.

  I hope this helps!

  -Collin C. MacMillan

  SOLORI - Oriented Solution, LLC

  http://blog.Solori.NET

  If you find this information useful, please give points to "correct" or "useful".

• Airport Extreme router's Express is connected by wire, East of 1 Gbps ports on switch it extreme on 100Bt now?

  Hi all

  In my house, the extreme is connected to a fiber modem 250 / 250 MB/s and I plugged a time Machine as an Express via CAT6 UTP. All serve as a router and provide 2.4 and 5 GHz wifi on the different floors of the House. Just a question: Express has 2 ports ethernet 100BT, Extreme and Time Machine have 3 1000BT Ethernet ports. The extreme switch mode back all 100BT because of the Express ports?  Because that would explain the downgrade in the port on the extreme speed after that the PS3 has been used connected to the Express.

  

  The extreme switch mode back all 100BT because of the Express ports?

  No.... but any device connected to the Terminal AirPort Express will have a maximum speed of 100 Mbps. So, if you connect a 1 000 compatible device to the Ethernet port on the Express, it would appear as a device of 100 Mbps on the network as the Express is limiting speeds.

  So, if you want a device that is capable of 1 000 Mbit/s to have 1 000 Mbit/s speed on your network, it will have to connect to AirPort Extreme or time Capsule.

• Details of port SAN Switch of vSphere or ESXi

  The way I see my network switch name & port details to which my ESXi network cards are connected via CDP.

  With the help of vSphere or ESXi command in any case I can check SAN switch of details in the SAN switch name & ports Details to which my ESXi storage HBA cards are connected?

  They are Cisco MDS 9513 SAN switches, you know a plugin or a way to see who?

  Yes, using the plugin VIEW, take a look: Cisco DCNM rocks | Jeremy Waldrop & #039; s Blog

• Four port Serial Switch

  I'm looking to see if anyone has ever whatever it is used like this and if so can anyone recommend anything?  Thanks for any comments.

  Never used. For multiple serial ports, this is what I used.