Cisco Switching/Routing :: 3750 / IP Routing Command Not Existent
Feb 27, 2013
I have just bought two Cisco 3750 and stacked them. When in global config mode, The IP Routing Command does not exisit.
See Version below
Cisco IOS Software, C3750E Software (C3750E-UNIVERSALK9-M), Version 12.2(55)SE3, RELEASE SOFTWARE (fc1)
Technical Support: [URL]
Copyright (c) 1986-2011 by Cisco Systems, Inc.
Compiled Thu 05-May-11 15:40 by prod_rel_team
Image text-base: 0x00003000, data-base: 0x02800000
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Nov 12, 2012
Trying to configure netflow on a 3750-X. I'm sort of copying my config from a router but, it seemd that the commandes below don't work.
Is there different set of commands to configure the source and destination.
ip flow-export source Tunnel0
ip flow-export destination 172.20.X.X 9995
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Feb 18, 2013
Could some one explain what the command . ip route 10.0.0.0 255.255.255.0 0.0.0.0 . will result in?
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Apr 18, 2012
What other command can be used to debug packets on a 3750 switch ?
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Oct 5, 2010
I have a cisco 3750 swicth which i want to load a new ios to but unfortunately there's no enough space on the flash. This means that i need to backup the cureent (old) ios to my tftp server but the command keeps failing. It always gives 'No such file or directory' error .The free space on the flash is 8mb and my new ios is about 11mb.I also went inside the directory where the old is and inputed the same copy command but to no avail.Below are some of the command failure on the swicth:
[code]....
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Feb 29, 2012
On 3750 switch with IOS c3750-ipbasek9-mz.122-55.SE4.bin "eigrp stub static redistributed" command will be executable ?
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Aug 6, 2012
On a number of 6500 chassis it appears that linecard 3 did exist at somepoint, but was removed.Problem is that when issuing the 'show int desc' or 'show ip int brie' the ports for the still appear, and indeed same with 'show run' and 'show conf'.
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Dec 8, 2011
The last few days I've been exploring options in getting rid of some old routers accross a wan connections. I have a cat 3560 to play with and I thought I would try and use the no switchport command test out routing with switch. I've got some type of route issue and I tried a few things which I thought would fix the issue but had no effect. I'll post the config and a few commands so you can see what the basic setup is.
Here we can see in the arp that it knows about both 10.7.1.2 (PC unable to ping 10.3.3.254) as well as 10.3.3.254 (ASA).I tried adding in a ip route of 10.7.0.0 255.255.0.0 10.3.3.110 as well as 10.3.3.254. Neither produced the results I wanted allowing 10.7.1.2 (PC) to ping the ASA (10.3.3.254). [code]
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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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Jun 2, 2012
I used to "ip routing" command in order to enable inter-vlan routing, for example with 3750 cisco. I have a 6503 cisco with SUP720 MSFC3. I was able to create some vlans but I can not configure inter-vlan routing.
sw#conf t
Enter configuration commands, one per line. End with CNTL/Z.
swsur(config)#ip routing
[Code]....
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Mar 16, 2013
Where is the "ip routing" command in Cisco switch 6500 series?
is the ip routing enable by default accoridng to the: [URL]
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Oct 24, 2012
I have a network with a Catalyst 3750 as the main switch and then some Catalyst 2960 switches that are plugged in to that. I have a server running windows server 2008 with a couple of virtual machines running in Hyper-V. I created 4 VLANS listed below and gave the 3750 the following IP Address.I would like the 3750 to only be configurable from VLAN 40 but currently every VLAN can connect to it, I noticed in the standard web page settings there was a setting for "Management VLAN" but it was set to 1 and would not let me change it, I kinda assumed that was for the management port in the back.-Now the tricky part, I was trying to set up routing between the VLANs and so far I have only been able to get a sort of "all or nothing" routing to work. I can turn IP routing on and add two or more VLANs to the routing and it works fine. But what I was hoping to do is create a couple of "junction vlans" that would only route to one or two other vlans. For instance, I wanted to create a VLAN 100 that routed to VLAN 20 and 30 but nothing else. I also want to route VLAN 1 just to VLAN 30, and so on. I am able to do each one of the cases but only one, it seems like the switch only supports one "routing table" am I missing something or is this just a limitation of the switch?
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Oct 8, 2012
Is a 3750 sw capable of handling full routing tables and what can you recommend in a small mutihomed BGP router or switch capable of handling full routing tables?
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Oct 28, 2012
I have a network with several catalyst 2960 switches and one catalyst 3750. I have created two VLAN and set up the proper routing and everything is working fine there. I have a client/server application that used multicast in the initial start up for the client to determine available servers, the issue is one of my clients is on a different VLAN then the server. I am able to route the multicast using MVR as long as both the server and the client are plugged into the 3750 by creating a static route, making the server a source port and the client a receive port. Unfortunately I need the client and the server plugged in to different 2960s. My question is how do I establish multicast routing between the two and perferably do it dynamically (always route multicast traffic from one VLAN to another).
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Dec 17, 2011
I have been looking into this for a while and I can't seem to figure out why my 2nd vlan is not able to connect properly to the net.
My switch has 12 ports where my devices connects directly, they are all on Vlan 1 and they all work perfectly. on Port 12 I have a dlink router that is connected to a cable modem. the dlink router has an Ip address of 192.168.0.20
I created a second vlan (vlan2) and enabled dhcp relay on it. then I assigned port 9 on the switch to (vlan2)my laptop which is connected to port 9 seems to get an ip address fine and able to ping only some devices on my network (vlan1) and is not able to go out to the internet. I think it has to do with the routes. [code]
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Jul 27, 2012
I have the task of replicating the router config on a 3825 router on a 3750 switch. Reason is we are taking out the router and replacing it with the switch to make use of the router for other functions.
Below is main part of the router config:
!
ip source-route
ip cef
!
!
multilink bundle-name authenticated
!
license udi pid CISCO3825 sn FCZxxxxxxx
!
vlan internal allocation policy ascending
[code].....
The 3750 switch I have runs C3750E-UNIVERSALK9-M, Version 12.2(55)SE3 on a LAN BASE license.
The first thing I have done is to order for a license upgrade to IP BASE which would give the support for OSPF routing.I do not see much of an issue with the Interface configs, however, I am not too sure about replicating the routing config on the switch.
My question is can I run the commands as shown for the OSPF routing on the switch? If not, can I get suggestions on how best to set this up on the switch?
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Mar 24, 2013
In 3750 switch,I have configured intervlan routing.I have three vlans Vlan 10,vlan 20,Vlan 30 and I have assigned IP address for that Vlan.In vlan 10,I have connected one systen gigabitethernet 0/1 interface.From my system I am able to ping vlan 10 ip address but I can't able to ping other vlan ip address (vlan 20,vlan 30).Is it possible to up the protocol for all that time.
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Jan 24, 2013
For intervlan routing, Is 'IP routing' command enabled by default on a 6500 series switches based on the IOS?and on 3750 switches, do we need to enable the "ip routing" command manually for intervlan routing?
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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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Oct 17, 2011
I have a simple design with 3750. I configured a route-map which define a next hop. I defined this route-map on a policy on a vlan interface.When I test some ping and a debug ip policy and it seems that my policy never match.Is there any mechanism that prevent the switch from using PBR? I think of CEF .
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Jan 28, 2013
In our datacenter we have a 3750 stack with IP base image. I have enabled PBR and reloaded the switch. Show sdm prefer says i am using default template. The reason i want to use PBR is that we have 2 firewalls on the same work and want to be able to have granular control over which gateway out of the network they use but still be able to access all internal resouces accross wan and locally.
Created access list to identify traffic:
access-list 10 permit 10.2.3.59 (test workstation on vlan 3)
Created policy:
route-map TestASA permit 10
match ip address 10
set ip next-hop 10.2.0.3
Assigned policy to the user vlan3:
ip policy route-map TestASA
Results:It changed the default gateway to the above gateway but i could not access any resources on any other vlan, could not access resouces accross wan.
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Apr 16, 2012
I have been looking into this for a while and I can't seem to figure out why my 2nd vlan is not able to connect properly to the net. My switch has 12 ports where my devices connects directly, they are all on Vlan 1 and they all work perfectly. on Port 12 I have a dlink router that is connected to a cable modem. the dlink router has an Ip address of 192.168.0.20,I created a second vlan (vlan2) and enabled dhcp relay on it. then I assigned port 9 on the switch to (vlan2),my laptop which is connected to port 9 seems to get an ip address fine and able to ping only some devices on my network (vlan1) and is not able to,go out to the internet.
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Sep 5, 2012
I have a simple design with 3750.I configured a route-map which define a next hop.I defined this route-map on a policy on a vlan interface.When I test some ping and a debug ip policy and it seems that my policy never match.Is there any mechanism that prevent the switch from using PBR?
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Mar 11, 2012
I'm running into what seems a basic ip routing config problem with a Catalyst 3750 (IP Base) switch. I have several VLANS configured on the switch with IP routing enabled, and the switch is connected to the inside interace of a new ASA 5520 as follows:
ASA5520 IP (Default gateway): 192.168.1.1Switchport Gi1/0/1 is configured as a routed port, IP address 192.168.1.3 255.255.255.0Example VLAN is VLAN 100, IP address 192.168.100.1 255.255.252.0 From the switch CLI, I can ping all VLAN addresses, as well as the ASA5520, and the client laptop I'm testing with from VLAN 100.
From the client laptop on VLAN 100, I can ping all switch interface and VLAN addresses (inter-VLAN routing is working), including 192.168.1.3, but I CANNOT ping the default gateway at 192.168.1.1.
Here is the relevant configuration information on the 3750:
!
no aaa new-model
switch 1 provision ws-c3750x-24
system mtu routing 1500
[Code]....
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Jan 1, 2012
I have a Cisco 3750 with private VLANS configured.. VLAN 2 is the "primary", VLAN 3 is "isolated" and VLAN 4 is "community". This is all working correctly, however I now have the need to another VLAN called "production". I need the production VLAN to be able to reach all the private VLAN hosts (community and Isolated), and vice versa
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Oct 30, 2011
For intervlan routing, Is 'IP routing' command enabled by default on a 6500 series switches based on the IOS?hes, do we need to enable the "ip routing" command manually for intervlan routing?
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Dec 2, 2012
I have 2 ISP connected to Router A and Router B.Both the routers are connected to the core 3750 switch.. I want to send the traffic from the switch that goes to router A to router B..[code]
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Nov 23, 2011
I am using a cisco 3750 in my network as a gateway, and above it I use a squid machine for caching my internet. My network is like this:
Basically I have two VLANs on my network which are VLAN10 and VLAN100, VLAN10 is the cooperate network of my office. VLAN100 is the management VLAN which i use for the switches. I keep the squid as well the client in VLAN10.
squid (192.168.1.50)---->cisco 3750(192.168.1.123)---->Distribution Switch(cisco 2960)---->client PC (192.168.1.5)
I have done nating on squid and internet is working pretty fine when I use the client gateway as the squid, but when I use the cisco 3750 as my gateway after adding route maps for forwarding the internet traffic coming to the cisco 3750 to squid it disconnects me from internet as well I cannot even reach the switches from the corporate network. These are the only Lines I used for the routing:
!
route-map proxy-redirect permit 10
match ip address 110
[Code]......
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Dec 8, 2011
I have a quick query which i need ratified before proceeding. I have the following scenario -
Two Cisco 3750v2 switches with stackwiseISP allocated block of /26 (64 addresses)8 customers each with a VLAN and SVIInternet facing VLAN and SVIDefault route to ISP router Lets say the ISP has given me the network range 10.10.10.0/26 (we'll assume this is routable on the internet for the purposes of this example) and a default gateway to the internet of 10.10.10.1 within this range. I have configured a public facing VLAN as follows -
VLAN 300
name PUBLIC
int VLAN 300
IP Address 10.10.10.2 255.255.255.252
I have then created a default route as follows -
ip route 0.0.0.0 0.0.0.0 10.10.10.1
With this configured, the switch can successfully route upstream to the internet with no problems. I have then moved onto the customers and depending on what service they have purchased, I have subnetted the 10.10.10.0/26 range into smaller subnets. See as follows -
Customer A - 10.10.10.4/30
Gateway IP - 10.10.10.5
Useable IPs - 10.10.10.6
Customer B - 10.10.10.8/29
Gateway IP - 10.10.10.9
Useable IPs - 10.10.10.10 - 10.10.10.14
This continues for each customer depending on how many IP's the have purchased. I have then assigned these IP ranges to a customer VLAN and SVI as follows -
Customer A
VLAN 10
name CUST-A-VLAN
int VLAN 10
ip address 10.10.10.5 255.255.255.252
[code].....
It is then up to the customer as to what equipment they use and how they NAT or firewall their internal networks.
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Jun 30, 2012
Do I need the Universal image to perform stftp on a 3750 or 3750-X?
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Jan 21, 2013
I have a small campus network using 3750 stackable switches and a 3725 router (see diagram below). Currently the 3725 router is handling inter-vlan routing for the campus and it looks like it's not able to handle the amount of traffic we're pushing. The router CPU sometimes hits above 90% due traffic load. What I would like to accomplish is move L3 process over to the 3750 MDF stack and the IDF1 stack. I am thinking creating SVI's on both MDF stack and IDF1 stack, run HSRP between the two stacks and may be do load balance traffic between the two stack as well.
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Jan 3, 2012
My network is like this:
Cisco 3750 (Core Switch)-----> Cisco 2960 (Distribution Switch)-----> Client (PC, Laps, Printers…etc)
Basically I have 3 VLAN’s. Office VLAN (for cooperative usage) which is VLAN 999 which has a defined IP address of 192.168.1.123 and Guest VLAN (for the guests who visits our hotel, most of it are wifi AP’s) VLAN 20 which has an IP address of 10.172.4.1. All these SVI are defined on the core switch.
Is there any way I can introduce a new VLAN lets say VLAN 40 and use PBR to route the packets going to VLAN 40 in the IP range 192.168.1.x to VLAN 999 and 10.172.4.1 to VLAN 20? I have tried this already and it is not working. Here are the configurations I have used.
Access-list 110 permit ip 10.172.4.0 0.0.0.255 any
access-list 120 permit ip 192.168.1.0 0.0.0.255 any
route-map INT_RVLAN permit 10
match ip address 120 110
set ip next-hop 192.168.1.123 10.172.4.1
interface VLAN 40
ip policy route-map INT_RVLAN
Where have I gone wrong?
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Apr 16, 2013
I have Layer_3 " 3750-x " , so I can't do any routing on the switch , so if I need to Upgrade the IOS what is the proffered image that support hte routing , and Is it free or should I pay?
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