Supported VLAN ID-4250 or IDS-4250XL?

Hello

I was reviewing for the purchase of an IDS solution. One of the major concerns I have is the ability to monitor several local networks VIRTUAL (Interfaces) and flow.

I was looking through the IDS-4250 and IDS-4250XL specifications. the XL version has an output more than 4250. What got me confused, is that the XL version takes only an additional interface (1000Base-SX) while the standard version gives you the ability to both 1000Base-SX and 4port FE.

Now, my question is, is it possible on the 2 special devices to configure the interface of surveillance to monitor multiple VIRTUAL local networks (with the help of a trunk), if all them VLANS are connected on a Switch? Unfortunately buying an IDS module for 6500 is out of the question since no available 6500 switch is currently available.

The IDS-4250-TX-K9 (aka IDS-4250) is the basic frame which can be added a single PCI card (IDS-XL-INT =, IDS-4250-SX-INT =, IDS-4FE-INT =).

If the IDS-XL-INT = (aka card XL) is added to the IDS 4250 sensor would then become an IDS-4250-XL-K9 (aka IDS-4250-XL).

NOTE: The ID-4250-XL is not a chassis separated from the base, it is the same ID-4250-TX-K9 with the IDS-XL-INT = already installed by manufacturing.

The XL card has 2 interfaces Gig of fiber with MTRJ fiber optic in SX type connectors.

Map XL adds hardware acceleration to 2 interfaces Gig fiber (increases performance of 1 GB of capacity of monitoring).

However, there is a limitation which, with interfaces to fiber XL only 2 XL adapter card can be used for monitoring.

If the ID-4250-SX-INT = (aka card SX) is added to the IDS 4250 sensor would then become an IDS-4250-SX-K9 (aka IDS-4250-SX).

The SX card has a single fiber interface Gig with SC connector for the SX interface.

With the IDS 4250 SX users can sniff both interface SX of the card as well as the interface of TX Gig sniff on Board standard, which gives a total of 2 interfaces to sniff.

If the ID-4FE-INT = (aka 4FE card) is added to the IDS 4250 then it was not a name of created specific sensor (although I usually call a 4FE-4250-IDS)

The 4FE card has a 10/100 4 TX interfaces

With the IDS-4250 so that a map 4FE, that user can sniff the two interfaces TX 4 10/100 card as well as the interface of TX Gig sniff standard onboard which gives a total of 5 sniffing interfaces.

NOTE: ONE of the 3 PCI cards can be placed in the ID-4250. The IDS 4250 has 2 PCI slots, BUT Cisco CAN'T stand that place a card in ONE of the 2 slots. If users cannot set 2 cards XL or 2 cards SX, or 2 cards 4FE, a mixture of 2 different types of cards. (This may change in a future release).

If a breakdown quick of what I said:

ID-4250-TX-K9:

1 gig TX interface

500 Mbps performance

IDS-4250-TX-K9 + ID - 4FE - INT =:

1 TX interface + 4 gig interfaces FE TX

500 Mbps performance

IDS-4250-TX-K9 ID - 4250 - SX - INT PLUS:

(ID-4250-SX-K9)

1 gig TX + 1 Gig SX interface (SC connector) interface

500 Mbps performance

IDS-4250-TX-K9 + IDS-XL-INT: =

(ID-4250-XL-K9)

2 interfaces gig SX with hardware acceleration (MTRJ connectors)

1 Gbps performance

NOTE: Performance is not a port, but it is rather total performance of the chassis when the combination to pronounce on all ports to sniff.

As for the question on the circuits.

ID software supports 802. 1 q trunk monitoring on ALL interfaces. You don't have to worry about buying a particular sensor for links model.

You must determine your model of sensor (and additional PCI card) performance-based physical connection and sensor required:

How to:

On the switch itself hard code the port as a 802. 1 q trunk port and force the sheath to be turned on. (This must be hardcoded on the switch because there is no trading e-mail with the sensor).

In the BONE of CAT on the 6500 switch, an example would be:

define trunk 6/1 on dot1q

Now set up the trunk single trunk port them VLAN you are interested the surveillance.

In the BONE of CAT on the 6500 switch, an example would be:

set of 6/1 master 1-100

Disable the trunk 6/1 101-1005, 1025-4094

Now, you need to use SPAN or capture VACL to send packets on the trunk port.

In the BONE of CAT on the 6500 switch, an example would be:

set of spans 1-100 6/1

NOTE: Configure the port as a trunk port is not enough to get the packets sent to the sensor. You must always use SPAN or capture VACL on top of the trunk port to get the packages at the monitoring sensor.

If you do not the 6500 then, of course, the controls on your switch may be different. And in some cases the above commands can be gathered in a single command on your switch so see your switch documentation' are.

Tags: Cisco Security

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