Cisco Switching/Routing :: Policy Route-map Not Sticking To 3750 Interfaces?
Apr 23, 2013
I have a client with a 3750x stack. We've upgraded it to IP Services. We have a simple PBR setup. One access-list to forward traffic from a specific LAN ip to another gateway on the network.
I go to vlan1 (default vlan) to apply the PBR and the command takes with no errors, but do a "show run" and it doesn't show up under the interface.
I go to vlan1 and apply a PBR that doesn't exist and the command takes with no errors, and is listed under the interface in the config
I can apply the PBR globally and appears to work, but we can't have it there based on other issues it creates.
config: (all tracks are up)
C3750_stack#show sdm prefer
The current template is "desktop routing" template.
[Code]....
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Jun 10, 2010
I try to enter the command "ip policy route-map" on 3750's interface. But the command doesn't appear. Why? Whereas I see several times that this command is possible on this switch. What I have to do to enter this command?
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Nov 1, 2012
I am trying to configure policy based routing however when i try to apply to an interface vlan. The configuration does not show in the interface.
route-map OTHER_ROUTE permit 10
match ip address OTHER_ROUTE
set ip next-hop x.x.x.x
[Code]....
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Apr 22, 2012
Here is my configuration below , i have upgraded my C-3750 switch IOS from IPbase to IPservices , after upgrading i have tried to apply PBR on my Vlan 4 and failed , when i am tying to apply route-map to Vlan4 the command was taking but i am unable to see the route-map when sh run , i am giving the command as "ip policy route-map TTSL" in my Vlan4 , below is the configuration.
In Vlan2 i have connected one ISP and Vlan4 I have connected one ISP , my local subnets are 192.168.1.x and 192.168.2.x , now i want to route the 192.168.1.x traffic from Vlan2 and 192.168.2.x Traffic from Vlan4 .
sh boot
coreswitch#sh boot
BOOT path-list : flash:c3750-ipservices-mz.122-35.SE5/c3750-ipservices-mz.122-35.SE5.bin
[Code].....
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Jun 2, 2013
i just configured a C6K VSS with Sup2T, 15.1SY IOS software and a WS6724-SFP module with the follwing cos config:
auto qos default
table-map cos-discard-class-map
map from 0 to 0
map from 1 to 8
map from 2 to 16
[code]....
After applying the service policy to one interfac of the WS6724-SFP module the policy is deployed to all interfaces of the module. So far it should be ok but after a short time all interface of the module begin to go down an up and down and up ... flapping.
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Nov 18, 2008
I have a 3750g on which I am trying to configure the ip policy route-map command on each of the vlan interfaces. However after entering the command it does not appear. I'm not sure what to do at this point. I have changed the SDM template to routing and I am running the IPServices image.
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Apr 22, 2012
i have a Layer3 Switch Cisco WS-c3750G -24T , initially i have a IOS version c3750-Ipbase , recentely i have upgraded my IOS to c3750-Ipservices-M to enable to PBR for my network , i have created all the acl and tried to give the route-map with PBR , the command was initiallying but i am not able to see the applied route-map in my policy route , i have gone through the blog and enabled SDM prefer routing , but no luck .
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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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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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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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Jan 28, 2013
Unable to limit traffic on catalyst 3750 gigabit ports it has fiber modules,
I want to limit traffic 2mb per port
I have tried srr-queue and policier but it is not working and there is no ratelimit command under any interface, Applying policy to output is not supported of the interface
policy-map rate-limit
class class-default
police 2000000 8000 exceed-action drop
int gi1/0/3
service-policy input rate-limit
still when I start download it goes to 10 mbps
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Mar 2, 2012
We are using Cisco 3750 switches in our environment as distribution switches.We currently use to police inbound traffic, but we need to find a solution to limit inbound traffic per IP.Something like this “Inbound traffic for each IP can be maximum 1 Mbps” This can be done having, one ACL and one class-map for each IP, but in my situation is not a practical solution, because we have more than 500 IP’s on that site.
Is any way to accomplish this without writing 500 ACLs and 500 class-map?
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Dec 24, 2012
i would like to know the possibility to use mls qos trust dscp with service-policy in the IOS ver.12.2(25)SEE2.The specific version is not possible to configure like below.
Cat3750(config-if)#do sh run int f1/0/1
Building configuration...
[code]....
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Jan 26, 2009
I have a 3750 switch (c3750-ipbasek9-mz.122-46.SE.bin) were i want to add bandwitdh limit pr. interface, doing the following:
ip access-list extended customer_A
permit ip any any
class-map match-all BW_10Mbps
[Code]....
When i trie to apply the "service-policy output 10 Mbps" to the interface, it says the service-policy output is not supported on the switch. Is this a software related isue ?
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Sep 26, 2012
I would like to do the following architecture with the same C3750 : network X,Y,Z connected to 3750 in VRF D the 3750 uses a routed interface on subnet E for the default route in VRF D on this routed interface a BYPASS EQUIPMENT the other BYPASS EQUIPMENT interface is connected also to another routed interface on subnet E "also" this routed interface is in another VRF C with other network A and B.do you know if it will work because of 2 routed interfaces on the same IP subnet or is there a way to do that ? the only goal for me is to catch traffic from network X,Y,Z on SYN and ACK.
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May 27, 2013
I'm having some trouble getting my head round the following but I think it's routing related?
I have a Cisco 3750 switch with the following configured:
interface Vlan1
ip address 192.168.0.223 255.255.254.0
no ip route-cache
[Code].....
The 3750 is connected to a firewall which handles the routing. From the 3750 I can only ping remote networks from the vlan1 interface not from vlan6,8 or 10 i.e ping 10.34.37.101 (remote network) source 192.168.0.223 (vlan1) works but ping 10.34.37.101 source 10.74.10.1 (vlan10) does not? I can ping 10.34.37.101 from computers on the various vlans but not from the 3750 it self.
I looked at setting a default gateway for the various vlan interfaces
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Nov 9, 2012
I have a Cisco 2921 and a 3750 stack. I want to use both interfaces on the 2921 to connect to the 3750 stack switch 1 and 2. Is this possible using same ip subnet?
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Mar 19, 2012
We're running a simple policy map on a 3750 stack (IOS version 12.2(53)SE2), but the route-map counters do not show any matches:
NYKIRDRCX01#sh route-map
route-map remote-route, permit, sequence 51
Match clauses:
ip address (access-lists): remoteACL
Set clauses:
ip next-hop 192.168.101.5
Policy routing matches: 0 packets, 0 bytes
However, I've confirmed via our netflow monitor that the traffic we're trying to send to the appropriate next hop is, indeed, getting there correctly.
I've seen issues in the past with a 3750 not reporting counters correctly.
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Nov 19, 2012
I have a 3750 stack with several vlans and svi's. We have had no need to route between them until now. Here is what I have done...
Created the vlans.. vlan 1 and vlan 25
Given each vlan an ip address vlan 1 10.0.0.2 and vlan 25 is 192.168.5.250
no shut on everything
ip routing
sdm routing preferred
default route 0.0.0.0 0.0.0.0 (isp)
If I'm on the switch I can ping anything on vlan 1 and anything on vlan 25 (the device I'm pinging on vlan25 is the svi and a dsl router 192.168.5.1) From a computer on vlan 1 I can ping the gateway/svi for vlan 1 and the svi for vlan 25 but no devices including the dsl router which pinged fine. If I put the computer on an access port for vlan 25 I can ping everything just fine on vlan 25 but not vlan 1 (gateway set correctly)
As a test I put in a static route ip route 195.113.20.11 255.255.255.255 192.168.5.1
I did a traceroute from the switch and it comes through great. I did a traceroute from the computer and it hits my gateway of 10.0.0.2 vlan 1 and stops.
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May 2, 2012
I have Catalyst 3750. and 2 ISPs
I wanted to use, let say on port5 of Catalyst 3750 only 2nd the ISP will route to this port.
The rest is pointed to the 1st ISP.
Im thinking of using VLAN..
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Feb 16, 2012
I have a 3750 switch and I am trying to configure PBR (route-maps) in it.But when I try to apply the policy to a vlan interface the policy does not show in the interface.So I can not use PBR to choose my default gateway!Question: Does PBR work in a 3750 switch? Can PBR be configured in a vlan interface? There is any problem with the IOS that I do not know?
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Jul 27, 2010
IP SLA configuration fails over but cannot ping the 4.2.2.2 via Site B. Here is the output on Cisco 3750...
SW2#show runBuilding configuration...
Current configuration : 2901 bytes!version 12.2no service padservice timestamps debug datetime msecservice timestamps log datetime msecno service password-encryption!hostname SW2!boot-start-markerboot-end-marker!!!!no aaa
[Code].....
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Feb 6, 2013
I have a Cisco 3750 stack with 5 members.
Switch Ports Model SW Version SW Image
------ ----- ----- ---------- ----------
1 24 WS-C3750G-24T 12.2(55)SE6 C3750-IPSERVICESK9-M
2 24 WS-C3750G-24T 12.2(55)SE6 C3750-IPSERVICESK9-M
* 3 24 WS-C3750G-24T 12.2(55)SE6 C3750-IPSERVICESK9-M
4 52 WS-C3750G-48TS 12.2(55)SE6 C3750-IPSERVICESK9-M
5 52 WS-C3750G-48TS 12.2(55)SE6 C3750-IPSERVICESK9-M
I have recently set the sdm prefer template to routing to allow route-maps and rebooted the stack:
3750GCORE#show sdm preferThe current template is "desktop routing" template.The selected template optimizes the resources inthe switch to support this level of features for8 routed interfaces and 1024 VLANs.
number of unicast mac addresses: 3K number of IPv4 IGMP groups + multicast routes: 1K number of IPv4 unicast routes: 11K number of directly-connected IPv4 hosts: 3K number of indirect IPv4 routes: 8K number of IPv4 policy based routing aces: 0.5K number of IPv4/MAC qos aces: 0.5K number of IPv4/MAC security aces: 1K
I still cannot apply a route map to a vlan interface however:
I have preconfigured the route map as per below to take traffic from one particular client and pass it to the inside interface of our ASA firewall:(yes i know 192.9.0.0 is a public network, its an inherited problem that is in process of being remedied!)
ip access-list extended TEST
permit ip host 192.9.216.234 any
permit icmp host 192.9.216.234 any
permit tcp host 192.9.216.234 any
route-map TEST_MAP permit 9
match ip address TEST
set ip default next-hop 192.9.201.10
When i do the following I get this error from debug:
3750GCORE#config t
Enter configuration commands, one per line. End with CNTL/Z.
3750GCORE(config)#int vlan 216
3750GCORE(config-if)#ip policy route-map TEST_MAP
3750GCORE(config-if)#
007804: Feb 8 03:16:55: %PLATFORM_PBR-3-UNSUPPORTED_RMAP: Route-map TEST_MAP not supported for Policy-Based Routing
when I show the running config, the route-map is not there.3750GCORE#show running-config int vlan 216Building configuration...Current configuration : 205 bytes!interface Vlan216
no ip redirectsip directed-broadcast 101end
why TEST_MAP is not supported?
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Jun 20, 2012
I have a 3750 at a branch running EIGRP connected to two routers that both have configured:
access-list 1 deny 0.0.0.0
access-list 1 permit any
access-list 2 permit 0.0.0.0
access-list 2 deny any
router eigrp 1distribute-list 1 out FastEthernet0/0distribute-list 2 in FastEthernet0/0
Due to this recently applied config the switch become unreachable from the outside and cannot ping anything. Everything connected to it works fine. I was able to remote into it from a switch behind it and noticed that the 3750 has no default route in the routing table. I do see a default route in the eigrp topology table. How to make the switch learn a default route maintaining the existing configuration on the routers.
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Feb 13, 2013
I'm attempting to redistribute a static route into EIGRP on a 3750 switch and pass it to an upstream router, sadly however this isn't working, or at least the route isn't being recieved on the upstream router. [code]
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Mar 26, 2013
We have a 14 offfice MPLS network. All offices have Cisco 3750s running OSPF which replicate route tables via our providers BGP peers. I am introducing a new network in our SF office which is not directly connected so in SF we have a static route "ip route 172.16.20.0 255.255.255.0 192.168.100.1. I want our other offices to learn this route route via OSPF so that they know how to get to the new network. My problem is that of course remote sites do not see our static routes and i have tried to add this via ospf but the switch will not propagate this route because it is not directly connected to the switch in SF.
router ospf 1
log-adjacency-changes
network 10.2.0.0 0.0.0.255 area 2.2.2.2
[Code]......
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Dec 12, 2012
Cannot set route map on interface vlan. which in non default vrf on Cisco 3750.IOS c3750-ipservicesk9-mz.122-55.SE.bin sdm prefer route in enable ip vrf users rd 200:0 route-target export 200:0 route-target import 200:0 interface Vlan201 description Users 1 ip vrf forwarding users ip address 10.31.76.1 255.255.252.0 ip helper-address 10.31.4.57 route-map fromuser permit 10 match ip address fromuser set ip next-hop 10.31.128.155 When I enter "ip policy route-map fromuser" to interface Vlan 201 I heve the message:
% Remove VRF configuration from interface Vlan201 first
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Jun 3, 2013
Actually i have a design from my customer who have ( Cisco core switch 3750 (allports fiber ports) which is connected to L2 switches , these switches carry servers and end users .the only routing protocol on the access switches is static route ,
My question how can i route the traffic from the server to the end user , as the the server is not direct connect to the core switch.
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Oct 15, 2012
i wonder if i can make a backup static route for an existing link over wan using the below diagram
the Core Switch type is 3750 in both sides i`m using only static routing for all destination like
Core1:
ip route 192.168.8.0 255.255.255.0 172.10.10.30
Core2:
ip route 172.17.200.0 255.255.255.0 192.168.100.105
requirements is to track the reachibility for the core ip address from both sides & change the routing automatically to the backup tunnel line
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May 30, 2013
We have a cisco 3750-48 port switch.We have a few SVI's configured and some static routes configured.I had created a new interface vlan and gave it an IP. I can ping the gateway.
Now I want to add a static route to go out that interface.when I add: ip route 10.x.x.x 255.255.255.0 10.52.10.1
it eccepts it (no errors) But, it does not show in the routing table nor in the config? How to add the static route to go out that vlan interface.
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Feb 2, 2011
I have been using a route map to pick WAN exit points (PBR) on a 3725 router. This have been working fine with /24 networks. I am trying to pick the first /28 piece out of the 10.1.1.0 network and send it out a different exit from the rest of that network. I have tried the /28 entry at the start and end of the route map, although I thought the first match would stop any further route map processing. The entry does not seem to have any effect, as traffic from all addresses in the 10.1.1.0 /24 network exit per the "route-map 10-LAN permit 11" section.
access-list 5 remark Ten Dot 1 low 63 IPs
access-list 5 remark SDM_ACL Category=2access-list 5 remark Ten Dot One Low 63 IPs access-list 5 permit 10.1.1.0 0.0.0.63 log
[ code]....
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Feb 16, 2012
I have a new MPLS circuit being stood up for my site; it’s going to replace a site to site VPN connection to our "Headquarters." I want to test this without affecting my production networks. Without getting into alot of details, the admin at the remote site is not very cooperative and basically doesn't want to set this up and I don't have access to his switching/routing. He is prepared to do minimal tasks if necessary. Ultimately, I am looking to test the new Vlan, once successful, route the traffic away from the Site to Site VPN connection to the MPLS circuit. Here is what I plan on doing, I need to determine if it is going to work.
LAN in my office uses EIGRP for routing. MPLS (10.1.1.253) uses OSPF (area 0) and BGP. Currently, traffic destined to headquarters (10.10.1.1/24) uses the default route on a CAT3750 pointing to the firewall (ASA5520) (10.1.1.254).Create new VLAN/DHCP scope to use as a test Vlan to test the new MPLS circuit. 10.1.199.0/24Create static routes on 3750 destined for headquarters for L2L VPN traffic pointing to firewall so traffic to headquarters remains on the L2L connection. ip route 10.10.1.1 255.255.255.0 10.1.1.254 (once I share routes with OSPF, routes to Headquarters will be advertised over the MPLS)Create OSPF instance on the 3750 advertising only the new subnet so that the MPLS network knows to route this traffic over the MPLS for return traffic from headquarters. (this is where it is grey as I don’t know OSPF at all) The switch has a L3 interface which the MPLS router uses as its gateway, so there is direct communication.router-ospf 0 network 10.1.199.0 0.0.0.255 area 0 4. On 3750 create a PBR for the new subnet so that it is routed over the MPLS, (imagine test PC is 10.1.199.100), the remaining production subnets will use the static routes and ignore the OSPF routes because of the shorter administrative distance.Will the PBR route win over the static route for that one subnet? Is that all I need in the OSPF configuration? I see some configs that have neighbor statements with costs, authentication types etc..
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