Cisco Switching/Routing :: Route Maps On A 3750 Switch

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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Cisco Switching/Routing :: 3750 Stack And Route-Maps?

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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Cisco WAN :: Route-Maps On L3 3750 Switches?

Dec 6, 2012

I have the following set up, at one of our sites:What I would like to do is take non 10.x.x.x web traffic, and pipe it through the ISP2 link, and keep all other 10.x.x.x traffic over the main ISP1 link.  I would like to set this up on the L3 3750's that we have.  Here is my configuration for the 3750's (IP's have been changed for security):
 
track 222 ip sla 222 reachability
track 223 ip sla 223 reachability 
ip access-list extended INTERNETTRAFFIC
permit tcp 10.1.1.0 0.0.1.255 any eq www       - Internet LAN subnet
permit tcp any 10.1.1.0 0.0.1.255 eq www
permit tcp any eq www 10.1.1.0 0.0.1.255

[code]....
 
I'm applying the policy route-map to the VLAN interface, but do not see any traffic, once I apply the interface.  I'm not that experienced, with route-maps?

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Cisco Switching/Routing :: IP SLA On 3750 Switch To Track Static Route?

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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Cisco Switching/Routing :: 3750-48 Port Switch - IP Route Added Not Showing Up

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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Cisco Switching/Routing :: 3750 Route Map Counters

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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Cisco Switching/Routing :: Ip Policy Route-map On 3750

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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Cisco Switching/Routing :: Cannot Route Between SVIs On 3750

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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Cisco Switching/Routing :: Catalyst 3750 - Route To 2nd ISP

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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Cisco Switching/Routing :: IP SLA On 3750 Default Route Failover

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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Cisco Switching/Routing :: EIGRP Default Route 3750

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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Cisco WAN :: BGP 300 - Default Route Maps

Sep 3, 2011

I'm working on a practice lab and am having the following issue. I have a customer router connected to two different ISP routers. Each ISP router must advertise a default through BGP to the customer and one of the default routes must be preferred over the other. Given if the preferred route interface is shut down the other default route is inserted into the routing table and when the preferred default route interface it turned back on that path is used again. The catch is I cant alter the customer router only the the two ISP devices.  I tried doing some route maps but I'm lost. I have deleted all my route maps and have posted the BGP portion of the ISP routers. 

router bgp 300
no synchronization
bgp log-neighbor-changes
[Code].... 

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Cisco Switching/Routing :: 3750 Redistributing A Static Route Into EIGRP

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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Cisco Switching/Routing :: 3750 - How To Distribute Static Route Via OSPF

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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Cisco Switching/Routing :: Cannot Set Route-map On Interface Vlan In Non Default Vrf On 3750

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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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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Cisco Switching/Routing :: 3750 - Route Traffic From Server To End User?

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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Cisco Switching/Routing :: PBR - 3750 VLan Does Not Accept IP Policy Route-map

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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Cisco Switching/Routing :: Unable To Apply IP Policy Route-Map To VLan 4 In C-3750

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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Cisco LAN :: 1841 - Configure Dynamic / Static Nat With Route-Maps

Aug 4, 2009

Basically I have an internet router (1841ISR) with 1 internal (LAN) connection and 2 internet connections. What I want to do is route specific traffic for 3 of my internally hosted services (smtp, https, etc) through one internet connection (fa0/0) and then route all other traffic through the unmanaged/dynamic IP ADSL connection (Dialer 0).

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Cisco WAN :: Using A 3750 Switch To Route

Feb 1, 2011

I need to use a 3750 switch running 12.2 code to route between two networks in a test setup.Switch#sh verCisco IOS Software, C3750 Software (C3750-IPSERVICES-M), Version 12.2(25)SEE2, RELEASE SOFTWARE (fc1)Copyright (c) 1986-2006 by Cisco Systems, Inc. The idea for the test setup is 3750 emulates a client's live network which is two routers having a site-to-site tunnel connecting from their ISPs. This will allow me to test the tunnel configuration with the router configs that are in production but replacing one of the routers with an ASA.

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Cisco Switching/Routing :: 3750 / 3800 - Configure Trunk Between Switch And Extreme Switch

Nov 2, 2011

i have an issue to connect a trunk between cisco switch and extreme switch i have many vlans that i want to cross via a link between cisco 3750 switch and a Extreme Alpine 3800 switch

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Cisco Switching/Routing :: 3750-X Stacking Switch By Switch

Nov 18, 2012

I have two 3750-X configured to be a stack and I am planning to re-rack these somewhere else.  What I would like to know is what are the effects of having the master switch itself lose power?  Does it immediately just make the member take over master (there should be no election since there are only 2 switches??) and there would be no loss of connectivity?

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Cisco Switching/Routing :: Route-map Command Support On Switch 3550?

Sep 30, 2012

I have cisco switch 3550 IOS Version 12.1(19)EA1c.   
 
I can configure route-map commands on that.  but i can not apply that into any vlan interface.   while i try to apply the following command ( ip policy route-map PBR) on VLAN int i get an error msg saying that the command is not recognized.

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Cisco Switching/Routing :: Inter-VLan Routing On Catalyst 3750 Switch

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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Cisco Switching/Routing :: 3825 / Replacing Routing Function With 3750 Switch?

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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Cisco Switching/Routing :: About Intervlan Routing On Catalyst 3750 Switch

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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Cisco Switching/Routing :: Cannot Reach Gateway Through Routing Switch (3750)

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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Cisco Switching/Routing :: 3945E - Bandwidth Percentage For Nested Policy Maps

Jul 15, 2012

I'm trying wrap my head around bandwidth guarantee for nested maps. I tried adding a new class to two of my policy-maps today, and got this error: 3945E-1(config-pmap-c)#bandwidth 3000 Insufficient bandwidth 3000 kbps for the bandwidth guarantee
 
I'm not sure how it knows that with the nested maps and how it's computed. I have a 100mb WAN connectin going to 19 branches. I have a class-map that identifies traffic to the individual branch and within that class, a policy-map is applied to prioritize voice over video etc.
 
Here's the QoS setup:
 
class-map Branch1-Policy
match access-group branch-1-acl
*
*

[code]....

I was adding the Video-Conf class to both Traffic-6calls and Traffic-10calls when I got the above error.  How would that percentage be calculated? I know by default i can only reserve up to 75% of interface bandwidth. The platform is 3945E running 15.1(3)

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Cisco Switching/Routing :: Configure QOS In 3750 Switch?

Nov 7, 2011

configure qos in Cisco 3750 switch.I have configured below template and applied on the vlan interface.But i am getting the hit on the access list but I am not able to get hit on the class map.

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Cisco Switching/Routing :: Switch 3750-X Vulnerability

Jul 19, 2012

I had a bad expirience with Switch 3750-X. Because of an auditing security processess, my customer ran a software called "Nessus" to do a scanning of vulnerability on the network. When this software is point to switch, the process of the switch will next to 100% and reset. The software only do a listening on the ports to see what ports are opened and the switch should not reset because this. Bellow is the log os switch on the moment of test; we note that the processess 'HTTP' rise moments before the switch reset. I disable the HTTP service on switch but the problem persist. The test was made only one machine connected to switch.

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Cisco Switching/Routing :: 3750 POE Switch Stacking?

Aug 12, 2012

We have three Cisco 3750 - 48port  POE -LAN switches and i am trying to see if there are any issues when we stack POE and Non-POE type of switches.Aslo looking for information on the advanatage and disadvantage the stacking can provide on a Cisco 3750 48port.

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Cisco Switching/Routing :: Setting MTU On A 3750 Switch?

Dec 12, 2010

The question is: Will a 3750 switch route Jumbo frame sizes (e.g. 9000 MTU)?
 
We know that we can change the System MTU to 9000, and someone on a previous thread said that we can change the Routing MTU to 9000 as well, although I couldn't figure out how to do that.  However, regardless of how we configure the System MTU and Routing MTU, I don't think we're able to adjust the MTU on L3 VLAN interfaces, so if we want to actually "route" between VLANs on the switch, we're limited to 1500 MTU.
 
Our situation is that we have a customer connecting to our 3750 switch, and this customer wants to use Jumbo frames.  The customer connects to our 3750 switch via their own VLAN, with their own L3 VLAN interface configured on the switch.  The customer will point their traffic towards the L3 VLAN interface, then we want to route them onto another VLAN, via a different L3 VLAN interface, before forwarding their traffic.  Because of the limitations noted above, specificially regarding the routing between these VLANs via L3 interfaces, I do not think we'll be able to support 9000 MTU frames on this 3750 switch.  I think the L3 VLAN interfaces will limit us to 1500 MTU, regardless of what we configured via the global System MTU and Routing MTU settings.

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