Connection of several 6248

Hello all!

I have currently 2 x PC6248 which are stacked with stacking YY741 module and 2 x cables Dell F4XF - F4XF 1 m between them and that's all working well.  # See the battery port shows that xg1 and xg2 are used on both switches xg3 xg4 is both down.  It's what I expected.

I need to add more than two switches, but they will be at a distance.  The first would be about 15 meters and the second would be between 75 and 100 meters.  Can I use cables of F4XF-F4XF that eager to 'stack' switches and if so, where can I find this length cables?  If I can do that, can I go out with just 1 cable to the remote switches?  (Yes, I know that it would be only a 12 GB of interconnection).

If the answer above is no, then I can put 2 x gbic ports xg3/xg4 on both the existing switches and and 4 x gbic in xg1 - xg4 on new switches and connect interconnect two new switches on optical fiber LC - LC, going to this length?  (Yes, I know/xg1 xg2 are not usable in the existing stack).  If I can do it this way, what gbic would I get?  Can I use any LC - LC gbic or are there specific gbic, should I use?  And how to configure all switches?  I have several VLANs in the existing stack.  My config is attached below (if you see errors, feel free to say yes lol), it's pretty basic.  All chassis #1 ports are in use with some on chassis #2.  Currently, with only 2 switches in the battery, everything works perfectly.

console #show run
! Current configuration:
! Description of the system "PowerConnect 6248, 3.3.13.1, VxWorks 6.5.
! 3.3.13.1 system software version
! Passage mode is configured as disabled
!
Configure
database of VLAN
VLAN 2-3, 252, 254
VLAN 1 1 routing
VLAN routing 2 254
VLAN 3 3 routing
VLAN routing 252 4
VLAN routing 2 5
subnet of VLAN association 192.168.0.0 255.255.255.0 1
subnet of VLAN association 192.168.1.0 255.255.255.0 2
subnet of VLAN association 192.168.2.0 255.255.255.0 3
subnet of VLAN association 192.168.252.0 255.255.255.0 252
subnet of VLAN association 192.168.254.0 255.255.255.252 254
output
unicast SNTP client enable
192.168.0.2 SNTP server

clock timezone-7 minutes 0 area "MST".
battery
1 2 Member
2 2 Member
output
IP 192.168.254.1 255.255.255.252
IP - lhcfun.local domain name
8.8.8.8 IP name-server
IP-server names 8.8.4.4
name of the IP-server 198.105.254.17
name-server IP 192.168.0.2
IP routing
IP route 0.0.0.0 0.0.0.0 192.168.1.2
IP helper-address 192.168.0.2 dhcp
IP helper-address 192.168.0.2 ntp
interface vlan 1
Routing
the IP 192.168.0.1 255.255.255.0
output
interface vlan 2
the name "Firewall."

Routing
IP 192.168.1.1 255.255.255.0
output
interface vlan 3
name "iSCSI".
Routing
IP 192.168.2.1 255.255.255.0
output
interface vlan 252
name of the "Ports Console"
Routing
IP 192.168.252.1 255.255.255.0
IP helper-address 192.168.0.2 dhcp
output
interface vlan 254
name of "management".
Routing
output
level of 20b269eca6cf2aa9fb7ff4f4d0460dad user name 'admin' password encrypted 15
spanning tree priority 0
l2relay DHCP

!
interface ethernet 1/g1
switchport access vlan 252
output
!
interface ethernet 1/g2
Auto mode channel-group 2
output
!
interface ethernet 1/g3
Auto mode channel-group 2
output
!
interface ethernet 1/g4
Auto mode channel-group 1
output
!
interface ethernet 1/g5
Auto mode channel-group 1
output
!

interface ethernet 1/g6
Auto mode channel-group 1
output
!
interface ethernet 1/g7
Auto mode channel-group 1
output
!
interface ethernet 1/g8
switchport access vlan 252
output
!
interface ethernet 1/g11
Auto mode channel-group 3
output
!
interface ethernet 1/g12
Auto mode channel-group 3
output
!
interface ethernet 1/g13

Auto mode channel-group 3
output
!
interface ethernet 1/g14
Auto mode channel-group 3
output
!
interface ethernet 1/g15
switchport access vlan 252
output
!
interface ethernet 1/g18
Auto mode channel-group 4
output
!
interface ethernet 1/g19
Auto mode channel-group 4
output
!
interface ethernet 1/g20
Auto mode channel-group 4

output
!
interface ethernet 1/g21
Auto mode channel-group 4
output
!
interface ethernet 1/g22
switchport access vlan 252
output
!
interface ethernet 1/g23
Auto mode channel-group 5
output
!
interface ethernet 1/g24
Auto mode channel-group 5
output
!
interface ethernet 1/g25
Auto mode channel-group 6
switchport access vlan 3

output
!
interface ethernet 1/g26
Auto mode channel-group 6
switchport access vlan 3
output
!
interface ethernet 1/g27
Auto mode channel-group 6
switchport access vlan 3
output
!
interface ethernet 1/g28
Auto mode channel-group 6
switchport access vlan 3
output
!
interface ethernet 1/g29
switchport access vlan 252
output
!

interface ethernet 1/g32
Auto mode channel-group 7
output
!
interface ethernet 1/g33
Auto mode channel-group 7
output
!
interface ethernet 1/g34
Auto mode channel-group 7
output
!
interface ethernet 1/g35
Auto mode channel-group 7
output
!
interface ethernet 1/g36
switchport access vlan 252
output
!
interface ethernet 1/g39

Auto mode channel-group 8
output
!
interface ethernet 1/g40
Auto mode channel-group 8
output
!
interface ethernet 1/g41
Auto mode channel-group 8
output
!
interface ethernet 1/g42
Auto mode channel-group 8
output
!
interface ethernet 1/g43
switchport access vlan 252
output
!
interface ethernet 1/g44
Auto mode channel-group 9

output
!
interface ethernet 1/g45
Auto mode channel-group 9
output
!
interface ethernet 1/g46
switchport access vlan 252
output
!
interface ethernet 2/g47
switchport access vlan 252
output
!
interface ethernet 2/g48
switchport access vlan 2
output
!
interface port-channel 1
Description "nas20".
spanning tree portfast

output
!
interface port-channel 2
Description "nas20port22".
spanning tree portfast
output
!
interface port-channel 3
Description "vmw16".
spanning tree portfast
output
!
interface port-channel 4
Description "vmw18".
spanning tree portfast
output
!
interface port-channel 5
Description "nas24".
spanning tree portfast
output

!
interface port-channel 6
Description "nas24iscsi vlan 3.
spanning tree portfast
switchport access vlan 3
output
!
interface port-channel 7
Description "vmw28".
spanning tree portfast
output
!
interface port-channel 8
Description "vmw30".
spanning tree portfast
output
!
interface port-channel 9
Description "tsm32".
spanning tree portfast
output

output

This distance is too far for stacking. Module stacking both 10GE CX4 module can be configured for each role (Ethernet or stacking). By default, each module works according to its module ID. Change the role of a module, a reboot is necessary for the change to take effect. However, I believe that the distance for stacking cables max is about 3 meters. And the limit of CX4 cable is 15 meters.

Other modules for the back of the switch are a 10GBase-T, part # X901C. The 10GBase-T module settle only in 2 Bay (right when viewing the back Bay). And a module SFP + 10GE, part # U691D.

Combo on the front of the switch ports ports SFP 1 GB. Combo ports have a combined input and output of the PHY chip. Only the optical port or RJ-45 port ACR be used individually, but not at the same time. Any cable is connected will first use the port PHY.

The fiber option that should meet your needs is a SFP - 1 G - SX transceiver. This transceiver uses the LC multimode fiber and it is good to 550 m. part # 407 - BOU

http://Dell.to/1Rok1wO

Here is a document that passes on the available module options.

http://Dell.to/1OtQmfD

With switch connections involving several VLANs, you will want to use connections in Trunk mode. For the switch connections you do not use portfast.

# interface port-channel 1

# switchport mode Trunk

# switchport Trunk letter vlan add 2,3,4,5,6

I hope this helps answer some of your questions.

Tags: Dell Switches

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    Just an update for this. I opened a case with VMware, which was fast enough in confirming that it is a problem (if "bug" may be a misnomer). It is due to the fact that PowerCLI (and more precisely the connection manager) are intentionally designed to assume a single "AppDomain" by PowerCLI instance. This works fine most of the time, as each individual Powershell console is its own AppDomain. However, ISE uses a single AppDomain for any application, even if it creates instances of different performance for each PowerShell tab. For this reason, there are collisions between the Powershell tabs in ISE for VIServer connections.

    They recommend that if you want to use ISE, then do so, just for the script development. Then use multiple instances of ISE to different vCenters or really test/run individual Powershell scripts with the consoles.

    VMware said they will mark this as a problem, even if a low priority (thus not requiring a fix or update older versions of PowerCLI) and will seek to rework this field to resolve the issue in a future release.

    Thank you for helping me to confirm this matter LucD .

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