Cisco Switching/Routing :: ASR 1002 Router Will No Longer Communicate With Anything
Feb 12, 2013
I was asked to configure a new ASR 1002 today and after successfully puttintg the config on the router (via TFTP) the router will no longer communicate with anything. There is nothing in the config to cause this (it was actually pulled off a working production ASR 1002) and I am unable to ping a local loop back IP while consoled into the router?? I removed the config, reloaded the router and configured a new loop back - same issue cannot ping the loop back or anything else connected to this router.
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Feb 12, 2013
We have CISCO ASR 1002 router on our DC, I want to enable TACACS on this router.what is the usage of key, we need a separate key for every device? or. [code]
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Apr 22, 2013
I need to know, can i create svi on the ASR 1002 ?
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May 16, 2013
Since a upgrade in IOS XE 3.0.9, our ASR 1002 have a problem with the DHCPDISCOVER.
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Feb 4, 2013
we are replacing network equipment at one of our sites. The network will have 12, 3750X switches(6 stacks) - one stack will be the core. A 1002 will be the WAN router to the Main campus. The 1002 will connect to the core via 2 ethernet cables. I'm debating whether to use L3 or L2 between the router and Core. I've heard that routing is more efficient if L3 is used and also I will be able to create an L3 etherchannel between the 1002 and Core switch. See the attached doc.
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Aug 14, 2012
i've heard that it is now possible to use Vlan 1002 -1005, perhaps only on certain devices.
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Apr 2, 2013
We are having Cisco router 1002 ASR and 2841 switch. Some times perticular VLAN user will not be able to access the network but from the same switch others VLAN users can able to access. We were getting ARP entries in router but we cannot ping the IP's. Even we clear the ARP entries. Once we restart the switch users can access the network. We have changed vlan ports, uplink too. but problem not solved. and we observed CPU utilization will be going 70-80% some times and at same time switch hangs.
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Sep 9, 2012
Can any share some useful links on how this works and how to configure it? Do you still need to configure FHRP or does configuring redundancy take care of active/standby relationship between the ASR's?
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Jun 12, 2012
I know that the ASR 1002 has 4 integrated ports but the problem that I am having is that I need two of those ports to emulate a L2 switched port. Is that doable?
If not than I need to purchase the following module below. Is that price really true?
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May 19, 2013
We were going to create a 2 port, layer 3 etherchannel between a 1002 router and a 3750X layer 3 core switch. We wanted to create bunled link between them but, now we are going to be putting a Riverbed device between the router and core switch. Because of this, would it be best to abandon the idea of creating a layer 3 etherchannel and just have 2 links from the router and core switch and have traffic load balance between the 2 links?The Riverbed will have 2 connections into it from the Core switch and 2 connections into it from the 1002 router. I was hoping to keep the layer 3 etherchannel but, do you think it would be best to create 2, /29 nets and have the router/Riverbed and Core Switch/Riverbed load balance.
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Sep 11, 2012
Cisco 3750, I'm trying to reset the password but cannot communicate with my switch
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Feb 3, 2013
I have mounted a cisco 2950G series switch in the network. we are working on Multicasting so I have LAN connectivity from one location ot other.
Situation:- 1- we do not have to do anything at remote location. its already done with final configuration and working fine because we other location witch are connected with this same HP switch at remote site and working fine but problem is only with one location where I have changed switch(cisco2960). when i connect cable from MUx to the switch cisco switch (Local) on particular port its does not response (LED continuously glowing amber color and does not go to green color) and communication does not start.for fixing this issue I have done so many things, vlan, duplex, speed- done everything but response.
situation 2:-when I changed this cisco device and use any other vendor's switch whether its manageable not manageable its get start proper communication. so I am unable to figure out whats the issue with. is there new or latest switch are not compatible with other vendor.
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Nov 13, 2011
Will ACL110 allow IP phones communicate with VoIP server. Do I need to add line to allow multicast traffic? [code]
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Apr 6, 2012
I have a Nexus 5548 installed (layer 2 device only) with several 10G ports supporting IBM P770 systems and a TSM (Tivoli Storage Manager) system on a single VLAN. All of the Nexus 5548 ports are configured for jumbo frames. I was ask to install a new server on the same VLAN as the others but as 1G port without jumbo frames to allow communications with the TSM server. I'm assuming that the 1G port for this new server without jumbo frames configured on the Nexus 5548 will not be unable to communicate with the TSM server that is on the same VLAN with it's Nexus 5548 10G port configure using jumbo frames.
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Mar 12, 2012
I was wondering why can't we no longer use the multiple ports within an extented ACL like I use to do it in a CAT3750E.I have IOS-XE Software, Catalyst 4500 L3 Switch Software (cat4500e-UNIVERSALK9-M), Version 03.02.00.SG.I wanted to create an ACL like so [code] But when I do, it tells me that I cannot do it.... I can only add 1 tcp port to my ACL line. I tried to search the "object-group" concept also but it's not implemented in this IOS.Can this be done in IOS-XE ?I'm migrating my enviroment from a CAT3750E stack to a C4510-E.
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Mar 11, 2013
I have a Cisco 1941 ISM. It sits between my Fortinet Firewall and the Internet. I tried to console to it so I can backup the configuration. Is there any way I can do this as I do not know the name and password for this unit as the previous net admin is no longer employed.
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May 29, 2012
I have upgraded a C3750G-12S-E to c3750-ipserviceslmk9-tar.122-55.SE5This switch is a distribution layer switch for one of my remote sites. it contains an ip helper-address on the site vlan's SVI.DHCP relay is no longer functioning for client PCs. Static address assignment allows full network functionality. I enabled debug ip dhcp server packet. [code] Actually I am betting you upgraded your IOS from something before 12.2(50)SE to 12.2(50)SE or later. We added enhancement CSCso19800 which will validate DHCP options when we are a relay agent.
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Feb 19, 2013
I am just confused over the fact that a router configured with 10.1.1.1 address (assuming it's got 255.255.255.0 mask) can communicate to a PC connected to one of it's LAN ports and manually setup to have 10.1.1.2/8 address. I was sure that since these are two different subnets they won't see each other. But they do and searched wiki and just googled to see why, but with no success. A friend of my friend says something about 'same range' but it makes little sense to me.
I just need a good article about it or a crystall clear explanation, because I feel my understanding of IP is not as good as I used to believe.
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Dec 25, 2012
I have 2 sub net directly connected to a ASR 1002. This is the configuration
interface GigabitEthernet0/0/0
ip address 193.145.14.114 255.255.255.252
negotiation auto
[Code] ....
The interface gi0/0/0 is connected directly to 193.147.14.113/30 in another router. And the Gi0/1/1 is connected to my internal infra structure. From my router I can ping 193.145.14.113 . So. I configure my PC with default-gateway 193.147.107.3 (ASR).
From my PC
I can ping 193.147.107.3 (gi 0/1/1)
I can ping 193.145.14.114 (gi 0/0/0)
But I can not ping 193.145.14.113 (the other point connected to gi0/0/0)
Why???? It is a IP inside of a sub net directly connected to the ASR. Why the ASR is not doing routing? ip routing is enable.
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Feb 12, 2012
I have implement MPLS L3VPN on my network to provide service to customer and right now we plan to have service VPLS on our same router. What is needed to run the VPLS in our MPLS network ? I heard that we need addictional switching module and upgrade my IOS to support it but I am not sure.
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Mar 28, 2012
I want to terminate the IP Sec VPN tunnel on the Cisco ASR 1002 router, but it shouldn't have be bedirectional traffic to the other end., and it should be answer only, We don't run tunnle over GRE (no IPSec profile), just IPSec only. I found there is a command "crypto map *** client configuration address respond" but it looks it is global command and we have lots of VPN terminated on the Cisco ASR 1002 router, How can we configure the "Answer Only" for only one specific VPN tunnel and it won't impact the others?
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Sep 28, 2012
I get this error when updating the IOS on our ASR 1002 router:
Calculating SHA-1 hash...done
validate_package: SHA-1 hash:
calculated e581b06d:923b1cc8:e5497571:66f9de35:70fd0ac8
expected aedab318:d8f213f5:36e12355:f70fa900:5c12d08c
SHA-1 hash doesn't match
boot: error executing
Is there someplace where I can configure the expected SHA-1 hash?
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Jul 26, 2012
Any router (I'm considering ASR 1002 with 10GE SPAs) that can support the following:
-10GE interfaces
-can handle 1.5Gbps but scales up to 5-6Gbps different seasons
-take on full internet routes from 2-3 providers
-will live on the internet edge
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Mar 14, 2011
I have an ASR 1002. Behind that and across another small MAN network (considered inside) I have an ASA. On the remote end, I have a simple 2811.
I need to create a vpn peer from the remote router to both the ASR (to hand off traffic there) and also a peer at the ASA (to encrypto across the MAN). The ASR1002 has the serial connection (DS3) to our MPLS cloud in which the remote is on the opposite side of.
So basically, I've created a single isakmp policy with two crypto map's by the same name but set to different peers and placed on the remote router then applied it to the serial interface. This works fine. Now i throw in the ASA which is behind the ASR. However, the connection still comes through that ASR to get to the ASA.After setting it up, it works as long as I don't have the crypto map applied to the ASR. If i apply the crypto map to the so interface of the ASR, my asa vpn connection stops working.It almost seems as if the crypto map on the ASR is grabbing my enrypted traffic destined for xx.xxx.24.14 and trying to do something with it. [code]
Why can't i peer from my remote router to both the ASA and the ASR on the opposite end of the serial link?
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Aug 13, 2012
We have 400 branches is ended on ASR 1002 router. ASR 1002 is the Hub router. When we disconnect/connect WAN interface or Shut/no shut tunnel interface, at the moment, router is not reacheable via telnet.
But if i disable the EIGRP on tunnel interface, tunnel are ok, then when i enable eigrp on tunnel interface, all eigrp neighbourhoods are OK.Is there any way to limit NHRP or EIGRP packets ?
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Sep 5, 2011
I have an skill exercise with 4 Routing Protocols Default Route,Static Route,Eigrp, Ospf. I have about 6-7 routers, and each of them has an routing protocol. But the problem is the Main router INTERNET, which it has to use Static in a direction, and default in the opposite path. This is the scheme of routers and how the r.protocol have to be configured.
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Aug 20, 2011
N150 DGN 1000 wireless on/off switch led no longer switching on at boot up
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Feb 28, 2012
I have Dell machine with Win Xp3 loaded, on my local network (and other computers). I set NIC card "Link Speed & Duplex" to autosense & make direct connection to my modem and works ok.When I plug into the network router I get the 'Cable is unplugged' and no Internet connection.I can change the "Link Speed & Duplex" to 10Mbps/Full Duplex and get intermitten connection. Also when I copy a file from Mapped drive I get "Cannot copy xxx - The specified network name is no longer available".
1. the NIC software is recently updated PRO/100 Adapter NDIS 5.1 driver
2. Although Microsoft has suggested Symantec < ver 4 has had an endpoint problem, I have 10.1.6.6000.
3. TCP/IP Properties are on automatic like the other computers.
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Jan 21, 2012
I tested ospf multi-areas in packet tracer as shown in attached file.(Sorry I don't know how to upload the lab image.)There I got a problem that router 0 in area 1 and router 6 in area 3 cannot communicate.Except this, router 0 can communicate with other routers and the same to router 6. I have made a virtual link between backbone,area 1 and 2 ABR router 1 and area 2,3 ABR router 4.I use process id 123 for every area. But when I type "show ip route" in router 0, it is shown [code] when it is typed in router 6, it is shown [code] So, router 6 cannot communicate with router 0.I don't wanna make a static route to 1.0.0.0 network in router 6.
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Nov 28, 2012
My basement doesn't get a good wireless signal. It doesn't affect my computer since it's hardwired via a couple of Asoka PlugLinks. However, I've always had bad signal reception from my main router which is two floors above. Because of this, I was rarely able to connect my Wii to the internet and am now unable to connect my Wii U to it either.Recently I purchased a new wireless router (a Linksys e1200n) to speed up the network. So, having a spare router (the old router: a Linksys WRT54G), I decided to try to convert it to an access point in the basement so the Wii U could finally get a stable internet connection (it's very picky about signal strength for some reason). I reset the old router and followed some instructions on how to make it an access point instead of a router. Once it was configured I bought another Asoka PlugLink and placed the WRT54G in the basement. I connected the PlugLink to the wall outlet and connected the Ethernet cable to LAN port 1 on the WRT54G. I thought everything would be fine, but then the problems came.
My Wii U was unable to connect to it. I also tested a couple of laptops and they were able to connect to it, but they couldn't access the internet. I assumed maybe distance from the main router was the cause(a PlugLink is connected from LAN port 1 on the back of the main router into a wall outlet, linking other PlugLinks to it), but my computer's PlugLink is in the same room and has no problems connecting.
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Apr 21, 2013
I have one router and four switch one switch in server mode reset of them all in client mode. Four pc located in native vlan(default) and other 4pc connect in vlan20 now the problem is vlan10 pc cannot communicate with router (192.168.100.1). I try router on stick but I can't assign same ip in sub interface is there any way to access 100.1 ???
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Dec 12, 2010
I have two VLANs set up on a Catalyst 2950 switch: VLAN 1 (192.168.1.x) and VLAN 2 (192.168.2.x). VLAN 2 can ping the router on the 192.168.1.x network and nothing else, which is what I want. However, computers on the 192.168.1.x network can ping computers on VLAN 2, which is what I do not want. I want to make it where VLAN 1 and VLAN 2 cannot communicate with one another, but that VLAN 2 can still ping the router on VLAN 1. I've read about access control lists and ip tables
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Oct 8, 2011
I would like to know the technical Specification regarding the AC power supply for ASR1002.
I need to know the following:
Voltage
Amp
BTU
Watt
BTU and AMP for ASR 1002?
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