Cisco Switching/Routing :: How To Configure Route Between Two Subnets On 2960-S

Jun 21, 2012

configuring a working route between two subnets (172.28.0.0/16 and 192.168.0.0/24) on a Cisco Catalyst 2960-S.
 
Problem: The subnet 172.28.0.0/16 is on VLAN 40 and the clients on this subnet have to access a preconfigured device with an ip in 192.168.0.0/24 subnet. The configuration of this device cannot be changed.
 
I have an Cisco 2960-S Lan Base (c2960s-universalk9-tar.150-1.SE3) switch [URL] that I would like to use to solve this problem.

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Cisco Switching/Routing :: 2960 Default Gateway Ip Route

Jan 24, 2013

I have a Cisco 2960 ( WS-C2960-8TC-S)  running 12.2(46)SE  C2960-LANLITEK9-M  image.I would like to set an ip route 0.0.0.0 0.0.0.0 87.101.156.97  but the current image does not allow.Will ip default-gateway 87.101.156.97 work or do I need ip routing ?The ISP has provided a /30 address and we are using an additional /29 for our network devices.  I dont think this image can be upgraded.  I need to forward routes directly out to ISP. [code]

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Cisco Switching/Routing :: How To Configure 2960 Switch

Dec 12, 2006

I have CISCO 2960 switch at my LAN. How to configure its IP address from console or hyper terminal ?

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Cisco Switching/Routing :: Configure New 2960 POE Switch?

Jan 14, 2013

I am trying to configure a new  2960 POE switch, but seem to me the int fa0 is layer 3 interface. Is any way we can convert it to a switchport, so we can connect it to other switch in trunk mode?

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Cisco Switching/Routing :: Catalyst 2960 - How To Configure With CLI

Sep 20, 2012

Will catalyst2960 supports SSH, and how to configures with CLI.

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Cisco Switching/Routing :: How To Configure Sm-es2-16-p Service Module To Route Over 2911

Jun 17, 2012

Any example of how to configure an sm-es2-16-p service module to route over an Cisco 2911?

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Cisco Switching/Routing :: 5510 How To Configure A Backup Route To Internet

Jul 24, 2012

how to configure a backup route to the internet.  My client has 2 ISP and basically they want to use 1 ISP and in case the ISP fails, use the other one as backup route to the internet.
 
The problem I’m facing is that each ISP is plugged to a dedicated ASA 5510, so 1 ISP in one firewall and 1 in the other.  Both ASA are plugged to an internal network in a dedicated VLAN with a L3 switch and that L3 switch manages the internal network.
 
My question is, how can I tell my switch to use ASA1 to go out to the internet and in case the ASA 1 OR THE LINK TO INTERNET used by ASA 1 fails, use ASA 2?  It would be great if I can send traffic to the internet thru both connections at the same time.  Also, I know the ASA has High Availability configuration, but that applies only if both licenses in the devices are the same and I have a mismatch with the SVPN license, and also I don't know if with my current topology I can use the High Availability model, so I think I can’t use that option and the solution must be applied in the L3 switch, but I don’t know how to tell it to use ASA1 and if failure of the device or the outside interface plugged to ISP 1, then use ASA2.  Besides, I would like to know how to optimize this config to do the switch between internet connections seamless to the users if possible (there are VoIP calls on this floor, so I don't want to drop the calls). 

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Cisco Switching/Routing :: Configure 2960 Stack IP Address?

May 20, 2013

This is probably a dumb question, but I have read the 2960 stack administration guide and it does not explain how to configure the stack IP address. It says several times that the stack can be managed from the stack IP address, and that the stack IP address is a system-level configuration item. But it never explains how to configure the stack IP address.

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Cisco Switching/Routing :: 2960 - Configure A New Switch Remotely

Mar 8, 2012

Today in my rush to get home I plugged in a new 2960 stack and did a little bit of very basic configuration, but no passwords were set.  I tried to telnet in and the message says that a password is required, but none is set.  I tried the SDM as I hadn't turned it off yet and it is prompting me for a user/pass but I have no idea what to put in there.  No console is available, it's a new office so no employees around either.

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Cisco Switching/Routing :: 2960 / How To Configure Private Vlan

Mar 13, 2013

I have 2960 cisco switch. I want to configure private vlan. But it is not getting configured in cisco 2960. Is there any other way to configure that in switch.

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Cisco Switching/Routing :: Configure Radius On 2960 And 2955

Apr 3, 2012

I'm about to configure radius on a 2960 and 2955 switch as I have been testing this on a 1841 router and to my dismay I can't see the options to configure radius, do these L2 switches not supoprt radius?
 
edit - apoligies I forgot the "aaa new-model" all ok now
 
Although when I added:
 
radius-server host 10.1.1.1 auth-port 1645 acct-port 1646 key 123456789
radius-server host 10.1.1.2 auth-port 1645 acct-port 1646 key 123456789
radius-server vsa send accountingradius-server vsa send authentication
 
I got this:
 
Warning: This CLI will be deprecated soon. Please move to radius server <name> CLI.
  
And what woudl the above look like if I configured it that way?

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Cisco Switching/Routing :: How To Configure 1142N AP /  2960-S And ASA5505 With Wireless

May 20, 2012

I'm trying to configure an 1142N AP +  2960-S + ASA5505 with wireless, vlans and trunking with no success. DHCP is provided from my DHCP-server on the inside.

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Cisco Switching/Routing :: Configure Tacacs Authentication For Http In 2960

Oct 13, 2011

I am trying configure tacacs authentication for http in Cisco 2960 with IOS 15.0.1.SE. [code] But the device is not authenticating. It ask the credentials (user and pass) but not authenticates.

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Cisco Switching/Routing :: Catalyst 2960 / Configure Automatically Switch Over DHCP?

Jun 12, 2013

I Have a problem I'm trying to configure automatically my switch over ther DHCP when I start the switch it request an IP from the DHCP from here everythings is fine but it does nothing more,indeed I put on my dhcp the option 66 and 67 which is an adress of my TFTP server and a file to download and the switch seems not to understand theses options , I tried my dhcp with a cisco airport and everythings works fine the File from the TFTP is automatically downloaded into the airport...There is an option to add or am I missing something in order to make it work with my switch ?
 
My switch : Catalyst 2960IOS VER : 12.2(55)SE5

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Cisco Switching/Routing :: 3560 / 2960 - How To Configure 2 Ports To Provide Redundancy

Jan 21, 2013

As per the attached diagram: How do I configure the 2 ports on the 3560 (Ports 6 & 7) and the connected ports on each of the 2960 switches (Port 25) to provide redundancy.
 
If the up link from Switch A dies then I need the traffic to flow through the trunk and utilize the up link on Switch B with minimal delay (milliseconds).

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Cisco Switching/Routing :: Configure 2960 8 Port Switch With DHCP Server?

Jun 24, 2012

I need to configure a Cisco 2960 switch as a DHCP server.    The current IP address will be on a different seed than the DHCP addresses.  i.e.
 
Switch IP = 10.1.2.3, GW = 10.1.2.1, Subnet = 255.255.255.0
DHCP addresses would be 192.168.1.1 - 200, GW=???? (10.1.2.3?) and subnet would be 255.255.255.0

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Cisco Switching/Routing :: Configure 3750 Stack As Core / 2960 As Access Layer Switches

Sep 29, 2012

I configure 3750 stack switch as core and 2960 stack switches as access layer switches.I connected my laptop to one of my core stack in VLAN 10 and I am pinging to one of my server in VLAN 1. What will be the minimum latency at the time of inter VALN routing

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Cisco Switching/Routing :: Add 2960 To Stack Of 4 X 2960 Switches

Feb 7, 2012

I have an existing stack of 4 x 2960-S switches connected by stack cables.I would like to add another 2960-S switch to the stack but am unable to as the 2960-S will only allow 4 x 2960-S switches per stack.how I would add the 5th 2960-S switch to the existing stack of 4 x 2960-S switches.

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Cisco Switching/Routing :: 2960-S To 2960-LST Configuration Over Fiber?

Feb 11, 2013

I have a 24 port 2960-S that is not communicating with a 2960-LST that it is directly connected to over fiber.  The link is up on the LST but will not come up on the -S.  What command should I use to bring up this link?  I have tried no shut from the (Config-if)# prompt.         

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Cisco WAN :: 2960 - Establish Connectivity From Subnets / VLAN1 And VLAN2?

Feb 21, 2012

the attached image shows what i am trying to achieve.i need to establish connectivity from subnets 10.30.5.X and 10.30.6.X (in VLAN1 and VLAN2 respectively) to subnet 10.11.35.X
 
i have a trunk port on my cisco 2960 that is connected to GiE0/0 on my Cisco ASA that has 2 sub-interfaces with IPs in the subnets mentioned above.my problem is i can only connect to 10.30.6.X from 10.11.35.X (and vice versa), but no connectivty to 10.30.5.X

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Cisco Switching/Routing :: 887 - IP Multicast Routing Between Subnets Same Router

Feb 21, 2013

I’ve been trying a few days now to implement multicast routing on my home network in order to make airplay work between subnets. Specifically between an iphone and a hifi separated by different vlans. Failed, as I have no experience in multicast routing. we have a clean configuration and simple network which consists of two SVIs

Vlan 10: 192.168.1.0 255.255.255.0
Vlan 20: 192.168.2.0 255.255.255.0
 
ios platform cisco 887

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Cisco Switching/Routing :: Isolating Two Different VLANs With Subnets On 6509E Sup 2T

Oct 1, 2012

I have a pair of Core VSS 6509E SUP 2T. Two different LANs, two diff. Subnets. larger LAN has been connected to the VSS pair usng normal SVI and Post-Channles (has lots of closets 3750 stacks) and no problem. Second LAN, two closets, stacked and connected to each other via Port channel and trunk + SVI interfaces. Now, I have SVI interfaces for both LANs on teh VSS pair and that is causing traffic from one LAN to jump over to the other VLAN and rightly so because the VSS pair see both subnets as directly connected subnets. I was wondring if I delete the SVI for the second LAN and only keep the L2 VLAN this will be resolved> The reason for the second LAN to connect to the VSs pair is only that It has to go through the VSS pair to get to the WAN router (both LANs will go out through this Same WAN router) but WAN router is not my concern at this time. I need to isolate these two LANs/subnets traffic so no one VLAM traffic jumps over the other.I have also thought about VRF but at this point I am not sure if teh 3750 stacks supports VRF and if it does how to implement VRF on the second and samller LAN to just allow it go through the VSS pair in order to get to the WAn router.

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Cisco Switching/Routing :: Two Subnets Through Pair Of SG200-08 Switches

Mar 21, 2012

I have two separate companys both with staff at two locations and thier own networks connected with a wireless antenna which provides a high speed LAN connection between offices.  I only have a single path through this antenna bridge.  I have an SG200-08 switch at each end.  What I am attempting to do is utlise the switches to take the two subnets at one office, combine them to one for transfer through the antenna bridge, and then resolve them into the two separate networks again at the other end.

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Cisco Switching/Routing :: ASA 5510 / Subnets Unable To Reach Outside?

Feb 18, 2012

I'm replacing our current router with an ASA 5510 running 8.4(3) and I'm having what I think are NAT issues.From the 192.168.0.0/24 subnet, I'm able to reach the outside world (via NAT/PAT) without any issues. However none of the internal subnets (e.g. 192.168.10.0/24) are able to. Packet-tracer shows no ACL issues.

Here's my config:
 
ASA Version 8.4(3)
!
hostname gw
domain-name internal.mycompany.com
enable password asdf encrypted

[code].....

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Cisco Switching/Routing :: 2901 - Multiple Subnets On Same Vlan Switchport?

Jun 29, 2012

I have a Cisco 2901 with the 4port gigabit ethernet switch module that I'm trying to get configured to have a seperate subnet for each port.  So far I have it set up so each subnet is a vlan, then on each port I use the switchport access vlan command to tell it which subnet I want that port to be on.  However, there is one port that I need to have 2 subnets on.  The way I found to do that was to use switchport trunking on that port, but it doesn't seem to be working properly. how they would configure this?  Right now I have vlan 101 as x.x.x.17/28 and vlan 103 as x.x.x.53/30.  I think where I'm getting hung up is the proper association between the physical port and the vlan subnets.

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Cisco Switching/Routing :: 7206VXR - WCCP Redirection Of Non-directly Connected Subnets

Jul 18, 2012

I have a Cisco 7206VXR running 12.4(24)T3 IOS. It is configured with WCCPv2 using L2 mask redirection. I am using service groups and associated extended ACLs to select which subnets I want to redirect port 80 traffic from.
 
It is working fine for the subnet 192.168.1.0/24....
 
int gi0/2
ip wccp 10 redirect in
ip address 192.168.1.99 255.255.255.0
  
... however, there is OSPF running between the router and a Mikrotik device directly connected to this interface. The gateway addresses for all the client subnets are on the Mikrotik. Traffic from other subnets, e.g. 192.168.2.0/24, 192.168.3.0/24 come in on this interface and I want to redirect those too. But it appears that the redirection doesn't work for those subnets (I don't see any hits on the relevant ACL for any subnet except 192.168.1.0/24).
 
It seems like the router only wants to redirect traffic for subnets that it has an IP address in itself. Admittedly, all of the example configs i've found on cisco.com are for redirecting traffic from directly connected subnets but I can't find anything that denies thie possibility of redirecting any traffic that comes in on a given interface.
 
The question is, is this how WCCPv2 redirection works? i.e., the router must have an IP address in the subnet to be redirected?

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Cisco Switching/Routing :: 3750 - Multiple Subnets In Single DHCP Pool On Device

Mar 25, 2012

3750 can not support multiple subnets in it's DHCP server pool config.

Is this an issue that can be fixed with a different iOS or is there a different Cisco switch that I can replace the 3750 with that will handle multiple subnets within an individual pool?

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Cisco Switching/Routing :: Connecting 3570 Switches To Nexus 2232 To Migrate Server Subnets

Nov 17, 2011

I am in the process of migrating our existing server farm subnets to our new Nexus server farm and I discovered something I wasn’t expecting. My intention is to migrate our existing legacy server farm which is comprised of for paired 3750 switches off of our core 6509s and onto the Nexus and connect them to the 2232s via multi gig port-channel connections, two port channels per switch stack. 
 
NOTE this is expected to be a temporary move as next year we intend to install additional N2Ks and move servers over to these directly. But to minimize the outage/downtime it will be better to move the subnets and switchs all at once.
 
These connections would be grouped 1 gig connections as port channels, one from each switch into one of the two 2232s.
 
Problem I discovered is Cisco does not intend to have switches connected to the Nexus and it immediately disables the ports when they see BPDUs.
 
I found a config that does work and it does fail over from one port-channel connection to the other but with the limitation that when the original port channel comes back online it does not fail back over to the original one, an acceptable situation for us. But I am wondering if Cisco would support this design if we did experience issues down the road.
 
The only issue I really see is to get it to work the config is different on the two N5Ks, see the pert config below for the connections. Both are running the same OS
 
augs1-ba-ar17# sh ver
Cisco Nexus Operating System (NX-OS) Software
TAC support: [URL]

[Code].....

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Cisco WAN :: Static Route Between ASA 5505 And 2960?

Jan 13, 2013

We have a customer, who has the following setup:

ISP router with ip range: x.x.202.1/ 28

That is connected to a Cisco 2960 switch, that doesn't do much but:

Vlan5: x.x.202.14 /28

Port 1-12 is switchport mode access to vlan 5 There are 3 firewall's connected to the 2960
 
1: D-Link DSR-1000N with ip x.x.202.2 /28
gw: x.x.202.1
 
2: Uknown
 
3: Cisco ASA 5505 with ip: x.x202.7 /28
static route: x.x.202.1
 
Each FW have a LAN behind it. The D-Link and the unknown device are both working perfectly and clients on each subnet can connect to the internet?However when I connect the ASA 5505 to the 2960 SW with a configued static route: Route Outside 0.0.0.0 0.0.0.0 x.x.202.1 1 is says it has no route to host?
 
Sanitized Config for the ASA 5505 is:
 
hostname ciscoasa
domain-name network.local
 names
!
interface Ethernet0/0
switchport access vlan 2

[code]....
 
If I connect the ASA5505 to the LAN of D-Link DSR-1000N and give it a static address and a static route match the D-Link LAN network, it works perfectly, however not when I connect it the the Cisco 2960 Switch

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Cisco Switching/Routing :: Catalyst 3560 - Routing Enabled With / Without Default Gateway Or IP Route Command

Feb 25, 2013

We have two catalyst 3560 switches running  c3560-ipbasek9-mz.122-58.SE2.bin  They are connected using etherchannel using gi 0/21 -  24 interfaces.
 
on 3560-1 switch, there isn't any ip-default gateway or ip route configured. It only have 1 interface vlan configured.
 
on 3560-2 switch, there is ip default gateway configured along with 1 interface vlan.
 
What i dont understand here is that, i can reach out to other subnets from 3560-1 switch in which the routing is not enabled?

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Cisco Switching/Routing :: Access Layer Switching With 2960 / 3560x / 3750x And 4506

Jan 17, 2013

My management has tasked me to give them a high level overview of the different switching we can choose for our new building.
 
This is what I know so far.4 Closets, each closet has 450 ports,One MDF room that is will contain one UCS Chassis and a Nimble iSCSI SAN.
 
I am working on the spreadsheet and it looks like this (Not totally filled):

2960s3560x3750x45064510Approx cost (Each, 48PORT, POE+, 10G uplink, Dual PS, IP BASE)
6K7K8K45K75KMax Capacity192432432192384Backplane speed206464520520ProLeast ExpensiveStackable to 9Stackable to 9ProDual PSDual PSDual PSDual PSDual PSProLayer 3 opt
Layer 3 optDual SupsDual SupsConExpensiveExpensiveConNo Dual PSConLayer 2 OnlyCannot stack more than 4 
For the MDF I would like to use 2 Nexus 5548's with FEX's, and the layer 3 daughter board.  For the IDF's I was thinking of two 4010's.

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Cisco Switching/Routing :: InterVlan Routing With 3750 And 2960 Switches?

Nov 21, 2012

I am using a 3750 as a default gateway for multiple Vlans on a few 2960 switches. The trunk lines are configured and working and I have assigned ip addresses to each of the Vlan interfaces on the 3750. My issue is that I can only ping the ip address on the Vlan interface of the 3750 if I have a working computer plugged directly into the Vlan on the 3750. I only have 3 vlans on the 3750 that have hosts directly connected (vlans 2, 10 and 40) the other vlans ( 20 and 70) don't have any clients plugged into them on the 3750 but the hosts reside on 2 different 2960s that connect via trunk ports. How do I keep the vlan interface on the 3750 switch pingable when I don't have hosts directly connected in that vlan on the 3750? (yes, I have enabled ip routing on the 3750)

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Cisco Switching/Routing :: 2960 / SG 300 Switch - VoIP Setup - Asymmetric Routing Not Working

May 21, 2013

I have a Cisco SG 300-20 as the core switch, layer 3. It is 192.168.4.6 on VLAN1 and 192.168.5.1 for VLAN2 (VOIP). All the ports are set in trunk mode. DHCP relay is setup on this switch.
 
The phones connected into a layer 2, Catalyst 2960-S switch. All ports are set in trunk mode. Default gateway on it is set to 192.168.5.1.
 
DHCP for both VLANs is provided by a Windows Server 2008 R2 server (the relay IP 192.168.4.15).
 
There is also an ASA 5510 in the mix which is 192.168.4.1. It has a route added to it for the 192.168.5.0 network to go to the SG 300 (192.168.5.1).
 
Just the two switches can ping each other on the 192.168.5.x network when I "add vlan 2" to the trunk port that is connected between the SG 300 and the 2960. The phones don't get DHCP on the 2960 switch. And I cannot ping 192.168.5.x from the ASA or anything else on the 192.168.4.x network.
 
After a bit of reading on intra-vlan routing for the SG 300 switch, I am thinking the SG 300 has to be the "center" of things so I need to make it 192.168.4.1 to be the gateway for both VLANs and change the ASA to 192.168.4.2 for VLAN1, etc. And I really can't do asymmetric routing with this switch.

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