Cisco Switching/Routing :: 1800 / 1900 / Unable To Receive Multicast Over GRE Tunnel
Sep 1, 2012
I setup a GRE tunnel between two cisco 1800 & 1900 routers. I can't received multicast.
Here is a copy of my configs:
R3#Building configuration...
Current configuration : 1238 bytes!version 12.4service timestamps debug datetime msecservice timestamps log datetime msecno service password-encryption!hostname R3!boot-start-markerboot-end-marker!logging message-counter syslog!no aaa new-modeldot11 syslogip source-route!ip cefip multicast-routing no ipv6 cef!multilink bundle-name authenticated!archivelog config hidekeys! interface Loopback0ip address 10.0.0.3 255.255.255.255!interface Tunnel0ip address 192.168.24.2 255.255.255.252ip pim sparse-modetunnel source Loopback0tunnel destination 10.0.0.1!interface FastEthernet0/0ip address 10.0.3.1 255.255.255.0ip pim sparse-modeduplex autospeed auto!interface FastEthernet0/1ip address 192.168.23.2 255.255.255.252ip pim sparse-modeduplex autospeed auto!interface Serial0/0/0no ip addressshutdownno fair-queueclock rate 2000000! router eigrp 1network 10.0.0.3 0.0.0.0network 10.0.3.1 0.0.0.0network 192.168.23.2 0.0.0.0no auto-summary!ip forward-protocol ndno ip http serverno ip http secure-server!control-plane!line con 0line aux 0line vty 0 4exec-timeout 5 0privilege level 15no login!scheduler allocate 20000 1000end
[code]....
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Feb 16, 2012
I have two Cisco 3845 routers which receive a multicast stram via a tunnel interface, i.e Tunnel163 (PIM Dense mode is enabled). These routers are both connected to a LAN segment (FastEthernet0/1/0) where receivers are. [code] Router1 is the assert winner (highest IP address), it sees igmp joins request, but it's pruning the interface. It happens sometimes and it lasts until I manually issue clear ip mroute.Unfortunately I cannot migrate to Sparse Mode.
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May 17, 2012
I need to find an iOS version that supports BGP, Dot1q, and MPLS for either a 1800 series or 1900 series not sure the best place to find this sort of info out.
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May 30, 2013
We have a vpn setup in our office, the setup is done by our ISP and they said this is a webvpn.Since when I join the company the vpn between the head office and the site office is working fine and there is no changes made on the setup of the routers.
Then suddenly is not communicating... Our router Cisco 1800 from head office can ping the route Cisco 1900 on the site office, but the site office cannot ping.Why the router of head office can ping the site office router, and the site cannot? What is causing this situation?
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Apr 23, 2012
We have about 9 1900 routers and 1 ASA 5510 for partail mesh VPN network. So 8 1900 connect to 1 1900 and ASA located in HQ and datacenter. All worked well however there is one site running really strange. The tunnel between 1900 is up for a while and down. Reboot router seems to be the only fix. But tunnel to ASA does not seem to be down at all.
The issue happened again today, we rebooted the router on site but tunnel still not up. DEBUG shows: deleting SA reason "Death by retransmission P1 "
I can see alot of Apr 24 19:57:55.271: ISAKMP:(0): retransmitting phase 1 MM_NO_STATE...
To me it seems like the IDE packet sent but never got reply and timed out. I did also check on the other end, the HQ. All other tunnels are still running fine on that router, just this remote site. Plus I got the similiar output when debugging on HQ router.
One thing do notice though, there was no match on both router for the ACL to match/permit ESP traffic... I asked on-site staff to reboot the modem used in remote site.
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Feb 21, 2012
I'm seeing the alert "CPU Receive Multicast Queue is full on Controller" on the WCS from one of my controllers. This is during peak hours and on a pretty busy WLC. I can't find any related lines in the logfiles. I'm currently running software version 7.0.220.0 on a WISMs.
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Jan 25, 2012
I'm starting to see an error creep up that I havn't seen since 2003/2004 on my brand new 5508 controllers. I'm recieving the following from my WCS: Receive Multicast Queue is full on Controller and then on the controller itself RX Multicast Queue Full. I understand this used to be due to a large influx of ARP requests or CDP packets on older controllers but, this was supposed to be fixed in an update many years ago.
Has seen this on their 5508's. These were advertised as having the horsepower to handle our user loads which arn't really that high at 300 users at any given time max.
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Jan 8, 2012
I've been implementing a setup where a remote office has a Cisco 1900 router. There are 2 GRE/ IP SEC tunnels to the headquarters, 1 over public internet, 1 over a private cloud. Because of some MTU issues we have to clear the DF bit for some of the traffic, but we also want to use PBR to send https traffic over the "public internet" tunnel and the rest of the traffic over the "private cloud" tunnel. I'm able to clear the DF bit and to do the PBR with route-maps, but I'm not able to implement both functionality at the same time.
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Jan 1, 2012
I can see the console on the router. (Using the USB console connected to a Macintosh.) I was configuring the router though this console connection, and I created a new user (priv level 15) and removed the default 'cisco' user. So I'm stuck at the username/password login prompt now.
I decided to do the password recovery procedure (via the cisco doc I found etc), but I cannot break into ROMMON during the boot process. I'm not sure if that's because my Mac isn't sending the break, or what.
The pw recovery doc says you can "remove flash" if you can't break into the boot sequence. However, I cannot find any instructions on how to remove the flash. I've opened the router, and I see one very small daughter card on the main board that I think is the flash, but I'm not about to start arbitrarly prying parts off.
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Apr 29, 2013
How to get the Snmp OID for polling the in and out utilization for the CIsco 1900 Series Router interfaces.
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Feb 1, 2013
i have a cisco catalyst 1900 & i like to share internet among 15 PC in my lab they all are connected to the switch through a patch panel should i connect my ADSL Modem to the switch, the switch is running on default config.
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May 15, 2013
we ordered a data e-delivery PAK L-SL-29-DATA-K9= (FOR A 2900 SERIES ROUTER) but after we received the PAK we discovered that the client actually has a 1900 router. Any easiest way of rectifying this mistake so that we can use the PAK on a 1900 series router?
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Mar 11, 2011
Here is the high-level question, please only respond if you have a conclusive answer with documentation to back it up. It seems simple, but all my research on forums and things have been confusing and conflicting.
When "ip helper-address" is used to enable the dhcp-relay function, will the DHCP packets get relayed through the VPN tunnel (if thats where the DHCP server is?) This question applies to Cisco IOS Routers and VPN appliances which have a Site-to-Site IPSEC VPN Tunnel to a place that hosts a DHCP server.
I'm using the Cisco 880 and 1800 series routers. I've already got DHCP relaying through IPSEC tunnels, but so far I've only set it up where my 2960 switch relays the DHCP messages to the VPN router on site (which is a separate device). I want to know if the router can pickup and relay through it's own tunnel natively.
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Apr 24, 2013
I am troubleshooting memory leaks and buffers issues on my 1900 and had some doubts regarding the problems that my router causes.Intermitently during the day for no reason the gig0/0 interface connected to ISP stops responding from our management network (log shows that the interface goes down). The ISPs modem responds fine from my management network.The issue goes away by itself in 20 minutes, sometimes more or after a hard reboot.Sometimes a router would increment a throttle value to 1. When running for 4 days without a reboot, the router raised 39 throttles and 57 input drops. [code] The router is running Version 15.1(2)T4 and I was not able to find any caveats on cisco web page (although I havent used the bug finder tool)Is this only leak I found a reason to start worrying or I can disregard it and continue basic troubleshooting (change cable and plug my ISP to another port)
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Oct 15, 2012
I've got a problem with DHCP running on a cisco 1900 series router, 1921 to be precise. The Data VLAN works perfectly, i configured a ip helper address and its working. Problem tough is VLAN 20. This is the voice vlan. As u can see in the config below, this has been configured using VRRP and VRF for failover purposes. I did more of these configurations, and they all worked fine, just not with this particular router!
As u will notice i deleted all the not needed to know information or i X'ed it!
Jan-Aart
version 15.1
service timestamps debug datetime msec
[Code]......
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Mar 1, 2012
I have aaa new model configured on a number of isr's(1800, 1900, 2900, 3800 etc). When i have aaa configured, the telnet logins use that authentication and not the password in the line vty portion. Is this by design. would disabling aaa enable both telnet and aaa authentications, essentially making it a dual login.
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Apr 19, 2012
I have an 1800 isr that is running with port forwarding only. It is running a series of ip nat inside source static address port address port commands. It does not have an access list bound to the outside interface. This is working fine, but i am wondering if this is a security concern?
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Jan 1, 2013
i have a cisco 1900 series router from the isp and we connect it the our router the rv042 small biz, and we have here a cisco catalyst 2950 switch with just default configuration connected to the hosts.
my problem is from time to time that the connection is lost there is no connection with the router and the only solution is to turn off and on the cisco 1900 router and the connection will be back.
do we need to configure the routers and switches? what do you need to configure?
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Jan 11, 2012
I am new user of cisco router i can access the hardware and login in the account but the problem is if i use the command "enable" asking for a password, old I.T. personnel who setup this router already resign.
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Jan 16, 2012
I would like to configure IP SLA with ICMP tracker. What is the minimum IOS & Feature required in cisco 1800 Router?
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Jul 19, 2012
I have strange problem with 1800 router , I can't see any debug messaging , the ping from PC to this router is Ok , but no icmp debug appears , even I enable "debug ip icmp " the version of router is : C181X Software (C181X-ADVENTERPRISEK9-M), Version 12.4(6)T6
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Sep 30, 2012
I've just started out playing with a Cisco 1800 router to gain some knowledge of Cisco devices before taking a CCNA. I also have a 2950 switch but will start with the router.
I'm using an Android phone as a wireless Internet access point. This issues IP addresses by DHCP in the 192.168.43.x range with 255.255.255.0 subnet.
Also I have a Linksys WRT54G router running DD-WRT firmware acting as a wireless bridge to the Android phone, and it has 4 LAN ports.
This bridge is up and running and I have successfully connected my laptop to the Linksys for testing and can use the Internet provided by the phone.
Connected to the Linksys is a Cisco 1800 router. Connected to the router is my Citrix XenServer PC and a NAS box.
The XenServer and NAS are on another network 07.05.19.x range with 255.0.0.0 subnet using their own static IPs. One of the virtual clients on the XenServer will be a DHCP server to service other virtual clients. All still in the 07.05.19.x range.
Basically I want the devices on the 07.05.19.x IP range to be able to use the Internet gateway at 192.168.43.1 to access the Internet.
How would I set up my 1800 to achieve this?
Also, am I right in understanding that the 1800 will ignore DHCP leases from the Android phone due to it being a Layer 3 device.
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Oct 8, 2012
I have a new ISR 1900 router on which i accidently deleted the default username and password and now i am unable to get in to router console. Also i am unable to break in to Rommon mode as well.
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Feb 19, 2013
I try to pass multicast traffic between two vrf on the same 3750 switch. I have IP services IOS and sdm template routing.
here is my config:
ip routing
!
ip vrf vpn2
rd 1:1
mdt default 232.1.1.1
route-target export 1:1
route-target import 1:1
[code]....
Now I'm stuck - I don't know what to do to pass multicast traffic. Do I have any chance to run this config on 3750 chassis?Perhaps "Configuring Multicast VPN Extranet Support" document will be useful, but it concerns Catalyst 6500? [URL]
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Mar 22, 2012
How can I receive log file from cisco 7609?
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Jul 30, 2012
on a Cisco 4900M running IOS Software, Catalyst 4500 L3 Switch Software (cat4500e-ENTSERVICESK9-M), Version 15.0(2)SG1, RELEASE SOFTWARE (fc4) I'm getting a lot of packets on CPU Q "L3 Glean, 6".What is that queue and what could be the root cause?
Packets Received by Packet Queue
Queue Total 5 sec avg 1 min avg 5 min avg 1 hour avg
---------------------- --------------- --------- --------- --------- ----------
Host Learning 1563 0 0 0 0
L2 Control 1138188 3 0 0 0
Ttl Expired 2 0 0 0 0
L3 Glean, 6 4889394 4067 4381 3367 779
[code]....
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Feb 21, 2013
’m somewhat new to Cisco routers this is my first attempt at getting one to work. I work in an environment with multiple locations, most are using the Cisco Model: 2911/K9 or the Model: 2921/K9 routers running IOS Version 15.0.We just added a new small office and all I had in the way of a router was a Cisco C1841-IPBASE-M router, running IOS Version 12.4.When setting up the C1841 I kept the configuration pretty much the same as the others allowing for the differences in the OS. I can remote into the 0/0 (outside port) from over the network, I can ping to that port without fail, but I can’t send or receive traffic from the 0/1 (inside port).
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May 21, 2013
I faced the ( receive discard vlan 20 of Cisco switch 3560 ) on my Solarwinds Server .
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May 1, 2012
We are having troubles getting a 10Gig interface to come up with a carrier... it shows down down.We are using X2-10GB-LR on a 6500 and SM fiber, distance to carrier hand off is about 90 feet.
According to: [URL]
The receiver power on a X2-10GB-LRis
Max
0.5
Min
-14.4
Our carrier is sending at +5db. Currently the interface is down.
My question is; would the interface even come up if it is receiving a powerful signal?
Here is DOM output for our interface.
show interfaces transceiver detail
Optical High Alarm High Warn Low Warn Low Alarm
Transmit Power Threshold Threshold Threshold Threshold
Port (dBm) (dBm) (dBm) (dBm) (dBm)
[Code]....
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May 3, 2011
I need to configure multicast between 2 Csico 5540's lan to lan ipsec tunnel for a Voip application.
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Mar 12, 2013
I start configuring Cisco 2821 router for multicast . First short description and attached sheme explanation. Let we say I have small network with 100 users. One router and Cisco switch 3560. Two VLAN’s, one for data another for multicast. Data from internet works fine but now I want to connect multicast servers (or source of more multicast streams) from another subnet. Router have three interfaces.I expect there should be no problems with multicast configuration, but unfortunately it is not like I expect. What I did ?
First step: enable multicast routing
Second step: on both interfaces (Fe 0/1 and Fe 0/2) - ip pim sparse-mode
Third step: configure switch that users are connected to access port in VLAN 222 (temporary to see if multicast work)
When I start VLC on computer nothing happend. If I try to connect computer on same subnet where is source of multicast streams it works fine.What I am doing wrong ? Is there anything about routing ? All subnets are directly connected. RP is not needed if I have one router or ?
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Mar 23, 2013
I need to enable multicast routing on 2960s but the command "ip multicast-routing" isn't available on my release (12.2.(55)).
From which release this command is available?
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Nov 14, 2012
I have a problem on my catalyst 6509 on which I would like to do the following things :
I have some Vlans in which multicast is enabled.
In tose Vlan theres is a router which is default router for equipements.
I had enabled multicast routing because some Vlan needs to exchange multicast informations, but I wolud like to make difference between Multicast traffic. For example I have 5 vlans:
Vlan 1 and 2 need to exchange Multicast informations but the don't need multicast information from Vlan 3 and 4
Vlan 3 and 5 need to exchange Multicast informations but the don't need multicast information from Vlan 1 and 2
Vlan 5 is independant Vlan but doesn't need to have multicast information from all others vlan.
Last problem, equipement on differents vlan can use the same Mulkticast group address. In this case, Multicast routing is not working between Vlan 1 to Vlan 2 and Vlan 3 to Vlan 4.
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