Cisco Switching/Routing :: Configure 3560X Switch For ISCSI Connectivity
Mar 19, 2012
I haven't worked with infrastructure much lately but planning on replacing a Dell switch used for a small iSCSI SAN with a Cisco 3560x. Switch is sstorage ONLY, network handled through different switches. I believe I want to disable spanning tree and configure trunking for the 4 GB ports connected to the storage array. The switch is providing connectivity to SAN via multiple GB connections and then also multiple GB connections to 3 Vmware hosts.Can you look over the changes I made to config below and let me know if I am on the right track.
I also plan to add a second switch later with the 10GB modules to interconnect for redundancy (but not worried about that part for now). I do not plan on using jumbo frames.
Here are my questions
1) Is the best way to globally disable spanning tree for the switch?
2) Did I trunk the ports correctly below?
3) Should I apply any specific SmartRoles to the 4 SAN NICs (GE1-4) or to host NICs (GE13-20)?
4) Anything additional I should do to handle iSCSI data?
Here is a copy of the config so far with my changes marked in RED.
storage1#wr tBuilding configuration...
Current configuration : 1696 bytes!version 12.2no service padservice timestamps debug datetime msecservice timestamps log datetime msecno service password-
[Code].....
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Apr 29, 2012
I have Cisco 3560X L3 switch and i need to configure DHCP on this switch. I have already configured below mentioned VLANs
VLAN 10 - 192.168.8.254 (USER VLAN)
VLAN 20 - 192.168.152.254 (REMOTE & VPN USERS VLAN)
VLAN 30 - 192.168.0.254 (SERVER VLAN)
After configuring DHCP, all the users needs to get IP from USER VLAN and all the servers should get IP from SERVER VLAN. If yes, what are the steps as I am very new in this kind of configuration.
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Feb 9, 2012
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Feb 20, 2013
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Mar 21, 2012
I acquired a 3560X-24P-L Switch which I wanted to use at our datacenter. However, I need a switch that supports OSPF. It came with a Universal IOS but there was no "Router" command under conf t. I downloaded and applied the latest "IP Base" IOS, but still no Router OSPF. Based on the matrix here > [URL] I thought "IP Base" supported OSPF, but what exactly is "OSPF for routed access" ? Do I actually need an "IP Services" IOS? From my download options, I do not see an IP Services IOS for the 3560X-24P-L so I'm left to assume that the switch does not support L3 / OSPF. So my question is this particular switch supports L3 / OSPF and what is Universal IOS?
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Sep 28, 2012
I am trying to join a Cisco Catalyst 3560X-24T-L to an existing VTP domain, my question is what configurations should I do to this switch?I have already gave it a hostname, setup passwords, enabled telnet, created a management address on port g0/24.I would like it to be on VLAN 13, is this done from my server switch, or done on the new switch?
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Nov 25, 2012
i have a cisco 3560x poe. ny currnet version is 12.2(58)SE2.the cpu process is aboute 30% average.my problem is- ping to the switch itself show me 12ms which is high latency.*note- data between two hosts no this has no latency.i realize the packet go into the cpu itself but, the cpu is not loadedusy. so my question is- is this natural behavior?
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Apr 1, 2012
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Mar 11, 2012
I've been searching the forums to see if any other users have completed this type of configuration successfully with not much luck. I have a Cat 6509 currently in production. We have several Vlans and all communication and routing is funtional in our environment. We are going to be adding an iSCSI Storage environment, and within a couple of months, adding a 3 Host VMware farm. I've configured several iSCSI environments using dedicated switches for the iSCSI network but never to existing production switches.My thoughts are to add two iSCSI Vlans outside of the production IP Scheme to the 6509 with no SVI, attach storage controller's NICS ports to the management network and of course, other available NIC ports to the iSCSI network. My question is, what is the best practice in configuring the 6509 i.e. switchports, Jumbo Frames, Flow-Control to support iSCSI on a 6509 that is in production and what are possible risks if any with enabling Jumbo Frames, Flow-Control etc?
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Dec 26, 2011
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With this stack, hyper-v work very bad ! We've got a lot of Iscsi error in the eventvwr.I can't access luns.So, is there a difference between LanBase and IpBase for a iscsi use ?I put the 24T-S config on the 24T-L switch without pb. So config is the same on both stacks...Also i've got a "TestPortAsicLoopback" = "Failed" on the new stack...I've tried with other stack cables. Not better.
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Nov 14, 2011
I would like to properly configure my L3 to support iSCSi traffic. My L3 acts as an internal router between 4 different sub nets.
I have a iSCSi SAN on my network. A Windows server has Microsoft iSCSi initiators connecting to the SAN.
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Nov 2, 2011
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Jul 18, 2012
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Mar 30, 2013
Configuration details: I have 2 nexus 5K switches and both 5K is connected to four 2960 access switches in each floor through fiber(shown in the attached picture). I have configured each VPC for each floor and portchannel configuration on 2960s switch to communicate to 5K switches. Now I am not able to communicate PC 1 connected in 1st floor to PC2 connected in 4th Floor.
I have attached topology map of my infra and the configuration files also. 1st floor switch and 4th floor swich have same configuration except IP address and switch name.
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Nov 29, 2012
RACK 1 is the old rack and NEW RACK is the rack which is going to be procurred for some new Servers. All the Servers in the RACK 1 has a default gateway as PIX Inside IP. As of now the 3560 Switches acts as Layer 2 and does not have L3 IP routing enabled. How can I enable conenctivity between 192.168.36.0 range and 192.168.57.0 range wihtout making any change to current PIX inside IP address 192.168.57.1?Is it possible that I can enable IP routing on the 3560 Switches , create interface VLAN 36 and since already Switch 2 has it 's default gateway as 192.168.57.1 , Would the traffic from 192.168.36.0 be routed to 192.168.57.1 ? Or do I need to create static route for that ?Since L3 Routing is not enabled and since the 3560 Switches are just acting as L2 , the VLAN 2 - 192.168.57.0 range does not have any interface VLAN configured. When it is changed I would need to create interface VLAN 2 on 3560 Switches?
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Jan 2, 2013
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Jan 19, 2013
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Jan 16, 2012
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Right now using the fast ethernet ports on the routers and I have no issues its when I shut down those Ethernet ports and try using the serial interfaces when I start having issues. So my network layout is Ethernet from switch port f0/4 to port f0/0 on 2620 and serial from s0/1 on the 2620 to s0/2 on the 2621XM. My 2621XM f0/1 is whats connected to the WAN and I have no issues getting to the WAN from my 2621Xm or my 2620 but when I try pinging any website or even my WAN default gateway from my switch I get nothing!
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Aug 24, 2011
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configure terminal
mls qos
end
mls qos map cos-dscp 0 8 16 26 32 46 48 56
no mls qos srr-queue input cos-map mls qos srr-queue input cos-map queue 1 threshold 2 1 mls qos srr-queue input cos-map queue 1 threshold 3 0
[code]....
Currently all the cisco phones are connected to this switch and configuration with only one vlan that is voice vlan .
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