Cisco Switching/Routing :: 891 Router Secondary Ip Route
May 22, 2013
I have an MPLS network router(Router1) and an internet router(Internet1) at a site of mine(Site1). the MPLS router sends all unknown traffic out the internet router. Router1 is the default gateway for all hosts and directs the traffic.I also have another network at an alternate site (Site2) on the same mpls network also with an internet egress. It is composed of an MPLS router (router2) and an internet router (Internet2).I would like Router1 to send internet bound traffic out Internet2 if Internet1 is down. Basically the statement on Router1 for the unknown traffice is ip route 0.0.0.0 0.0.0.0 172.31.1.254I have never heard of IP SLA before but it seems to be the best method for this situation.
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Jan 7, 2013
We an 887m router in our office with an unmanaged switch. We have two networks, 192.168.0.x and 192.168.11.x connected to router on the same interface (192.168.11.253 is a secondary ip) but I can seem to be able to route packets from one network to the other. Internet traffic is fine from both networks. I can't see what I'm doing wrong here. I can ping the 192.168.11.253 (router) from the 192.168.0 network but nothing beyond that.
I tried this at home with no other config and its the same. Is this by design?
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Jul 15, 2012
I have just updated a VLAN interface on my router. I have two 6500's with GLBP configured. The particular interface had a primary and secondary IP address. I shutdown the interface on one router and deleted the secondary address then assigned the orignal secondary address to be the be the only address associated with the interface and enabled the interface and it came right back up...all looks good. I proceeded to do the same thing to the other router and once again all looked good. Now, I am able to PING the devices in the subnet from router, but am unable to ping them from any place else. [code]
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Jun 4, 2013
I am trying to get my workstation to talk to a workstation on a different sub-net through a Cisco 3560 switch. The switch is running the following IOS version: [code]
My primary network is 172.16.0.0 and I am trying to connect to a device on a 192.168.111.0 sub-net. [code]
What would be the best way to get the two workstations talking via the switch?
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Apr 15, 2012
I have 6509 with dual sups, the secondary sup has failed and I am not able to bring it up even after reboot. the state says unknown/other. What that state" unknown" means?. I could not find any documentation about this state. [code]
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May 21, 2012
One of our client wants to know "How many route entries a 2821 router or 881 router can support" Such as the 3750 can support 11k routes in ‘desktop routing’ mode. But I want to know the limitations on routers.
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Feb 21, 2013
I have a few old 2600 routers (2621, different IOS's) which I'm now replacing for new one's from the 2900 series (2901, Version 15.1(4)M4).In my configuration I have two IP addresses in my LAN interface and I have HSRP configured within the secondary IP subnet range. It would be something like this:
interface GigabitEthernet0/1
ip address 172.x.x.x x.x.x.x secondary
ip address 10.z.z.z z.z.z.z
[Code].....
Now, in the new 2900 routers, my interface configuration hasn't changed however I can see that the hello packets are now sent with the source within the respective HSRP IP subnet so I had to edit my acl for that:
permit udp 172.x.x.x x.x.x.x host 224.0.0.2 eq 1985
Is there a way I can force the HSRP to work as it previously did in the old IOS's?
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Mar 26, 2012
I have the above firewall which is working as it should but I have came across an issue with a recent upgrade to Microsoft Exchange 2007 and Outlook 2010 Autodiscovery due to the way the port forwarding has been configured for Outlook Web Access (OWA) on the router.
The router is forwarding OWA requests to the exchange server on port 8080 and the default website in IIS on the Exchange Server under which OWA sits and unfortunately Autodiscovery has been set with an SSL port of 8080. I think the reason for this is that we have an RDP server and the router is forwarding all port 443 requests to this server. Due to this Outlook clients cannot connect to Exchange through autodiscovery and cannot therefore get FREE/BUSY and a few other things.
I have 5 public IP addresses and only use two at the moment, one on the ADSL router and one on this firewall. I have no spare interfaces on either the router or the ADSL router.
My question is, is it possible to have a secondary ip address set on the public facing interface and set different rules for this IP which would allow me to forward requests on that IP to a different server?
Cisco IOS Software, 2801 Software (C2801-ADVSECURITYK9-M), Version 12.4(16b), RELEASE SOFTWARE (fc3)
Building configuration...
Current configuration : 4778 bytes
!
version 12.4
service timestamps debug datetime msec
[Code].....
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Jun 2, 2013
How many secondary network config possible???
Switch - Cat3560
IOS Ver 12.2(50)se5
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Nov 23, 2012
On 1811W Router i have OSPF running and i do not need this static route.ip route 192.168.20.0 255.255.255.0 192.168.20.3,when i try to delete i get error ,1811w#,config t,Enter configuration commands, one per line. End with CNTL/Z.,1811w(config)#no ip route 192.168.20.0 255.255.255.0 192.168.20.3,%No matching route to delete,1811w(config)#.
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Sep 13, 2011
We have Cisco 4503-E switch and software version is cat4500e-universal.SPA.03.01.01.SG.150-1.xo1.bin. Now i have uploaded cat4500e-universal.SPA.03.02.01.SG.150-2.SG1.bin IOS-XE software in the switch and want to boot the switch from this image.
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May 22, 2013
while the 3560 switch is running? Is it hot-pluggable?
WS-C3560X-48P is the switch and I would be adding a C3KX-PWR-1100WAC
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Feb 12, 2012
i want to create a trunk between 4507 & 3945E router & route two vlans from router 3945E
4507# vlan 99 & 51
# int vlan 99
# ip add 10.22.100.1/24
#int vlan 51
# ip add 10.22.103.1/24
[code].....
4507 version : IOS-XE Software, Catalyst 4500 L3 Switch Software (cat4500e-UNIVERSAL-M), Version 03.02.00.SG RELEASE SOFTWARE (fc4)
3945E: 15.1(2)T4 what I am missing?
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Jul 21, 2012
When quoting a Catalyst 3750X with PoE (WS-C3750X-48P-E) the Dynamic Configurator Tool allows to include as the secondary power supply option the Catalyst 3K-X 350W AC Secondary Power Supply (C3KX-PWR-350WAC/2), but the default included primary power supply is the Catalyst 3K-X 715W AC Power Supply (C3KX-PWR-715WAC). My questions are the following:
1. Will this combination of power supply work?
2. Will the C3KX-PWR-350WAC/2 be able to power up the switch if the primary power supply of 715W fails?
3. Will the PoE will be lost if the primary power supply fails and only the secondary power supply of 350W keeps working?
4. If this secondary power supply of 350W is not suitable for PoE, why it is available as a secondary power supply option in the Dynamic Configurator Tool for a PoE switch?
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May 11, 2012
I have recently configured secondary ip address on LAN Interface of Cisco C6509.. We have some application which needs to use broadcast traffic communication to communicate with client... Broadcast is working within subnet & also working from broadcast server to primary subnet. But not working from secondary subnet.. I have checked broadcast within secondary IP range & it's working fine... Secondary not working broadcast with primary and also with broadcast server... broadcast address is different for these subnet but both should be communicate since configured on same interface... When I went through Cisco website found that command "ip directed broadcast" which will pass broadcast to different subnet... But I'm not sure whether any other impact if I enable that command on particular Ethernet interface...
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Jun 5, 2013
I'm fairly new to Cisco products am in the process of developing my network knowledge on a deeper level. I have a 3825 with a HWIC-4ESW and I'm struggling to fully understand how the two "see" each other. I've setup a V LAN with a layer 3 address on the HWIC and added the switch ports to it. This seemed to allow devices connected to the switch ports to talk to the built-in router ports. I thought this was all making sense until i applied an access-list to the router port. It's a simple ACL i'm just using for testing and the only thing it does is blocks telnet from anywhere. I know the ACL is setup properly because if I connect a device directly to the router port i cannot telnet to the port. However, if i connect a device to one of the switch ports, i am able to telnet to the router port successfully.
It seems that I'm missing something with how traffic flows from the switch port to the router ports and how the two "see" each other.
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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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Apr 4, 2012
In a stand alone 3750x switch configuration, can the secondary power supply only act as a redundant power supply (active/standby), or can it become a "pool" of power similar to power sharing mode for StackPower (somewhat active/active)? I understand there is no stack involved here but I'm curious if this functionality is possible.
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Jan 22, 2012
I haven't got time to test different configurations yet. Just want to quickly ask here about the fall-over route-map configuration. I saw lots of example using pip prefix-list to specify the next-hop for tracking. Is that the only way you can do it? Can you just use a standard ACL to specify that host like permit host 10.2.2.2? ip prefix-list will do like ip prefix-list seq 5 permit 10.2.2.2/32. And you apply the prefix-list to route-map then. ACL will work?
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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 3, 2012
I have a router with two interfaces what i need to filter the HTTP traffic from one interface and the rest of the traffic through the other on my cisco router 2800.
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Apr 2, 2013
I have a cisco 890c-w with routing and wireless，contain 8 switch ports（fastethernet 0 - 7），one 100m route port（ fastethernnet 8），one giga port gigagethernet 0
configuration pppoe，dialer1 can get WAN IP。
0-7 ports in vlan2，vlan2 config ip add 192.168.1.1
In router，ping 8.8.8.8 is ok，but ping 8.8.8.8 source 192.168.1.1 can not ok，so my pc can not go internet through 0-7 ports。
I think routing problem，but don't find reason
service timestamps debug datetime msecservice timestamps log datetime msecno service password-encryption!hostname Router!boot-start-markerboot system flash c890-universalk9-mz.151-4.M2.binwarm-rebootboot-end-marker!!enable password password!no aaa new-model!memory-size iomem 15service-module wlan-ap 0 bootimage autonomouscrypto pki token default removal timeout 0! ip source-route!ip cefip name-server 61.234.145.102ip multicast-routing no ipv6 cef!multilink bundle-name authenticatedvpdn enable!vpdn-group PPPoE!license udi pid CISCO892C-
[code]....
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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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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 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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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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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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Sep 5, 2012
I have a MPLS cloud in our data center. I want one network coming into our core router to have a different default route than the other networks coming in. I'm getting hits on the acl but the route isn't applied and goes to the default route that is configured in the router. I have other PBR for setting local-preferences and as-paths and they are working fine.
The router is a 7206 Version 12.4(11)T3
!
ip route 0.0.0.0 0.0.0.0 1.2.3.4
!
ip access-list extended 2nd_Default_Route
[Code].....
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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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Jul 30, 2012
We have two sites: 192.168.100.x and 192.168.101.x currently connected via IPsec VPN. On each end we have a Cisco ASA 5505. However, each site also has an MPLS VPN with intentions to move all traffic to this link. Will this work on the ASA? We need to make sure traffic can hit the ASA @ site A on the inside interface and trafiic will forward to the MPLS VPN router which then handles the traffic. Too, will it cause any problems in bi-directional flow between the two sites?
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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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Feb 9, 2012
I have Catalyst C3750G switch
with configured route to subnet 192.168.201.0/24
ip routing
ip route 192.168.201.0 255.255.255.0 192.168.160.13
192.168.160.13 is accessible
[Code].....
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