Cisco WAN :: How To Configure 3800 With WIC-2AM-V2 To Do DDR
Sep 30, 2012
I'm trying to configure a Cisco 3800 with a WIC-2AM-V2 to do DDR. I've gotten it to work before, but it was a while and now the config doesn't seem to work. I'm using an Lo0 interface and ip unnumbered on the Dialer interface. Using debug dialer and debug ppp and see nothing at all trying to dial out.
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version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption
!
hostname DDR
[code].....
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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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Sep 1, 2011
I am trying to configure cisco 3800 as NTP server for all Juniper MX router clients. Purpose is to server the clock to all Juniper routers. But i m facing weird issue.. All Juniper routers are getting synch with Cisco 3800 but there is difference of 30 min between client and server time.
Cisco config
ntp authentication-key 100 md5 11201D00163B0C1E 7
ntp trusted-key 100
ntp source Loopback1
ntp master
end
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Jun 12, 2011
I'm having a problem on which i cannot find an answer. I have a VPN router 3800 series (DMVPN) with 2 VRF on it, we also use dual Nat to reach our data center behind the 3800 series isr.
I created the Nat rules and the acl's , but the Nat is just not working, is there a special configuration needed for Nat and VRF's?
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Mar 3, 2011
I have been struggling for a few days with getting site-to-site traffic working across a L2L IPSec tunnel. At this point, I have the tunnel up, and I see packets being decrypted on the correct IPSec SA's when I ping from a local network computer on the ASA side to a local network computer on the router side. I cannot ping from one side to the other, but those packets are getting through. We have another L2L tunnel that is from that ASA to another remote site's ASA, and that is functional. I have mirrored the configuration for ACLs, etc. from that site, so I believe that the issue is with the packets getting incorrectly translated by the NAT/NONAT statements/ACLs on the router side.
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Sep 26, 2011
I was just configured a 3800 router with this command. I cannot get to the ROMMON mode anymore. Cisco says you should press Break key within 5 seconds after the image decompresses during the boot. But mine is ignoring it and going to load running config directly.
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Jul 14, 2012
I need to upgrade compact flash memory card for a 3800 router. Basically i want to upgrade code on this router and the current flash size (64Mb) cannot hold new image. I wanted to check if i swap the old flash (64 Mb) with a new one 256 mb, i will loose vlan.dat file since it's stored in flash. Is there a way i can copy vlan.dat to new flash which has new code before i change the boot statements and reload the router?
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Dec 22, 2010
I inherited a 3845 router. I am hopeful that I can use it for my home practice lab and connect it to a Cablevision (Optimum Online) Cable Modem. If it is possible what interface card/config I would need? It currently has a T3/E3 card with 2 coaxial connections (was used with a Cogent DS3 connection). I'm guessing I would need to replace it with an Ethernet one (?). Granted - I suspect it may cost a pretty penny, nonetheless I'd like to look into it.It also has 2 dual-port vwic2-2mft-t1/e1 card installed. I am an absolute beginner with Cisco and networking.
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Dec 10, 2012
I am using a Cisco ME 3800 switch with 24 Gig and 2 Tengigabit interface. But after configuring the Tengig int with ip add and negotiation it is no know visible in the switch. Instead TenGig I am seeing two (Gi0/1 and G0/2). Not even showing the Tengig in the running config.
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May 4, 2012
I have a 3800 running 12.4 with a outbound shaped nest Qos tied to a subinterface G0/0.12 which is trunk downstream to a 3500. I am getting drops on the "sh policy-manager inter g0/0.12 so know that shaping which is 1.5mbps is dropping my packets. The 3500 looks clean
3800:
policy-map A
class-map A
bandwidth 30% etc..
[Code]....
the routing is that host goes up to the 3800 and out a wan link but if wan is down, it hairpins back down from 3800 to 3500 which has a backup link on one of the ports. when we test wan down, or even when it is up, I see shape dropping packets
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Nov 19, 2011
I have a client who has Cisco 3800 series routers in their data centre with which they have QoS/CoS policies implemented. They wish to further manage traffic by limiting outbound traffic to their branch sites in line with the network access bandwidth each site has available. Is this possible whilst leaving the QoS policies in place? If so how?
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Jul 10, 2012
Is there a way to be able to check from one computer on a network to another computer on the same network when both have been set up with NAT?
For example, computer 10.0.0.10 cannot ping 10.0.0.20 because NAT has been set up. Port forwarding does not seem to be an answer. Is it possible for NATted computers to be able to ping each other or not?
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Mar 2, 2011
I have been struggling for a few days with getting site-to-site traffic working across a L2L IPSec tunnel. At this point, I have the tunnel up, and I see packets being decrypted on the correct IPSec SA's when I ping from a local network computer on the ASA side to a local network computer on the router side. I cannot ping from one side to the other, but those packets are getting through. We have another L2L tunnel that is from that ASA to another remote site's ASA, and that is functional. I have mirrored the configuration for ACLs, etc. from that site, so I believe that the issue is with the packets getting incorrectly translated by the NAT/NONAT statements/ACLs on the router side.
The ASA is: Cisco Adaptive Security Appliance Software Version 8.2(2)Hardware:
ASA5520, 512 MB RAM, CPU Pentium 4 Celeron 2000 MHz The router is:Cisco IOS Software, 3800 Software (C3845-ADVENTERPRISEK9_SNA-M), Version 12.4(20)YA3, RELEASE SOFTWARE (fc2) Router Config:!version 12.4!card type t1 0 0!no ip cef!ip multicast-routing no ipv6 cef!crypto isakmp policy 10 encr 3des authentication pre-share group 2crypto isakmp key xxxxxxx address nn.nn.12.130!crypto ipsec security-association lifetime seconds 86400!crypto ipsec transform-set 3DES-SHA esp-3des esp-sha-hmac !crypto map NOLA 11 ipsec-isakmp set peer nn.nn.12.130 set transform-set 3DES-SHA set pfs group2 match address VPN-ACL!controller T1 0/0/0 fdl both cablelength long 0db channel-group 1 timeslots 1-24!interface Loopback0 ip address 1.1.1.1 255.255.255.252 ip virtual-reassembly no ip route-cache crypto map NOLA!interface GigabitEthernet0/0 no ip address duplex auto speed auto media-type rj45!interface
[code]....
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Jun 27, 2012
I have Cisco 3800 series router it needs user name and password to access through terminal I don't have the user name and password. Need To reset the password.
Terminal screen shot is attached here you can see that.
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Feb 26, 2013
I have a working 3800 router which runs on bgp pretty well. Existing setup has 2 serial ports for the bgp and 1 gigabit port for the LAN.Now, i want to add another 3800 as a standby router making it clustered - ACTIVE/STANDBY via hsrp protocol.
1.) What are the implications in adding another 3800. Do i need to reconfigure the ip addresses on my serial? or just the LAN
2.) Are there any additional requirements like firmware versions etc?
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Oct 24, 2011
We're having some numbers ported over to us and we'd like to verify that we are in fact receiving all of the numbers at our SIP gateway. Since we have been getting more and more activity on this router, I'm becoming more concerned about using certain debug's for fear that the router maxes out CPU and drops.
What the best debug command would give me this information with minimal impact on CPU? In the past I've used 'debug ccapi inout' and a couple of others similar to that. With so much activity though sometimes it bombs the router. Also I am logging to the console directly, maybe there is a better method with less CPU impact. I just don't want to have to go back and forth to look for stuff 50 times either if I write out to a file or something, it could work though I suppose.
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Feb 6, 2013
I have two Cisco Routers 3800 series for my internet traffic (2 ISP). I configure HSRP on the interfaces gigabitethernet and at the main router I put the multilink interface to track. When the connection drops to the main router traffic does not switch on my second router.
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Feb 3, 2011
I have a network with Two 3800 Cisco Routers as Central and many Cisco 2811 Router as Branches. Now I set two Tunnel on each router connection Interface FastEthernet from each 2811 to SubInterface Fastethernet on 3800. I set OSPF as Routing Protocol and I configure QOS on Tunnel connections. Then I have a safe connection with backup connection between 3800 Router and each 2811 Router. Now I want to set VPN with IPSEC and Certification Authentication with CA Server for Security all connection. I set IPSEC and ISAKMP and Certificate on each Router and Set Dynamic VPN on Cisco 3800 Router and Static VPN on each Cisco 2811 Router. Now when if I configure tunnel with Crypto map, it works correct and all packets are encrypt. But if I try to set crypto on physical Interface(because I want to set qos on tunnel then protect packets on physical interface) however all packets are routed but crypto and encrypt d o not work. Set qos on tunnels and crypto on fastethernet interface.
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Jan 17, 2013
I have a question about ACLs on Cisco 3800 router. I tried to configure extended IP access-list. However, I couldn't add more rules into some of the ACLs when the number of rules increase to about 120 rules. These extended IP access-lists are assigned to gigabit ethernet interface and sub-interface (VLAN interface).
Is this caused by some kind of maximum number of rules supported?
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Jan 16, 2013
Need the clarity on IKE version 1 with aggressive mode, I assume this is used for remote site VPN and not for site to site VPN.
Correct me I am wrong and also share the inputs on this.
Also required the inputs for disabling in Cisco 3800 series router.
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Mar 27, 2013
I wanted to configure failover internet between two routers Cisco 3800 Series. Each router is connected to an ISP. I have configured HSRP protocol on my interfaces and my HSRP configuration works well. I want to configure my routers to switch my internet traffic in case of failure. For example,if the first ISP internet connection fails, traffic will switch at the second ISP. I want to know how I should proceed to do this.
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Sep 14, 2012
I have a Cisco3800 with IOS Version 12.3(14)T2 and I have an HWIC-1GE-SFP module inserted on it.
I need to know if there is a command to verify optical power level in this module inserted in the Cisco 3800 router?
Something similar to the following command that I can execute in an Cisco ASR9K:
show controllers Te0/0/0/1 phy | i Rx
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Mar 11, 2007
I have a tunnel between a PIX 515E version 7.2(2)and a Cisco 3800 version 12.3(11r). There is a mismatch somewere in the configs but I cannot find it. I have included the configs and the syslog errors.
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Jan 19, 2013
I'm setting up a IPSec Tunnel between 3800 and 2600 routers over the internet.
Do I need to create a tunnel interface as they suggest in this document? [URL]
I just watched a couple of you tube videos saying I don't need to do that...
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Nov 13, 2011
I remember there is one command which can tell you which memory slot has how much big memory in Cisco 2800 or 3800. But at this moment, I just couldn't recall this command. I checked "show diag" but didn't see any information about memory.
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Jul 22, 2012
I've got a Gateway 2wire 3800 HGV-B router which works fine wirelessly, but when using an ethernet cable to connect to the internet, it doesn't even recognize the computer. My laptop runs wirelessly all the time, and I recently picked up a desktop PC for home here, and it's the first wired connection I'm using, but for some reason the wired connection isn't connecting to my network, but instead it's own Unidentified Network.
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Jul 12, 2011
I am definitely not a fan of ios 8.3, and specialy the change about "nat". I trying to use this example : [URL]
everything is good except : global (outside) 1 interface nat (inside) 0 access-list inside_nat0_outbound nat (inside) 1 172.16.1.0 255.255.255.0 Because, this example is for an 8.2 ios (or above), and i have a 8.3.
Another question : What the bestway to use this example, but with a single "nat" for all outbound traffic (I want all outgoing traffic (on the main FW) to be seen from a single domain encryption)
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Sep 25, 2012
I have inserted a SIP-800 card into my CRS-8. I inserted the SPA into the SIP. I cannot find how I configure the SIP or the SPA. I have spent the day reading the manual but no where do I see the commands to activate or get the SIP up and running.
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Nov 29, 2012
i want to configure a new cisco 1812.what i want is : we have 5 external ip addresses from our ISP.we want that the FE0 ( wan port ) can route all those ip addresses.so when we put a firewall on port number 8 with 1 of the 5 external ip addresses we have internet.and when we put a firewall with another external ip adres on port 4 we have internet.
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Jan 9, 2013
i looked but didn't find anything. I'm looking for a configuration guide, similar to the ASA Configuration Guide, that that can provide documentation on how to configure a Cisco 3925e router. I have my CCNA and a fair amount of real world experience configuring routers but ultimately what I am looking for is guidance on how to configure BGP on this beast. I learned a great deal about ASAs by running through the ASA Configuration Guide and I am hoping to do the same with the 3900 series ISRs.
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Jan 6, 2013
We have a MPLS T1 installed at the main office. I just purchased ASA 5505 to configure site to site VPN connection. The ISP have VIP mapped with 1 block of public ip addresses.configure the asa 5505.
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Jun 26, 2012
I would like to ask some thing for configuration on AP (AIR-LAP1141N-A-K9) but now i chnage IOS to stand along mean and i want to configure QOS on this AP? Any command how to configure QOS?
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Dec 6, 2012
- the WAN consists of a in-house satellite network using comtech CDM-570 IP-Enabled Satellite Modems
- there is a group of HUB tx modems, each one is shared for approx remote 10 sites with a total bandwidth tx 2048k
- each remote site is to be guaranteed min 512k but can burst into the 2048
- remote sites must be somehow grouped to a member of each modem to set the bandwidth constraints
- a single DMVPN/multipoint GRE is configured on HUB. all remote sites connect to this (redundancy comes later )
The challenge is how to configure the QoS on the HUB side to meet this policy, Currently, I use ip nhrp group MODEM1 on each remote site, and ip nhrp map group MODEM1 service-policy output MODEM1 on the HUB. This is working ok. This works nicely, however I am left with the constraint that within each modem group I must define a class for each site and set the guaranteed bandwidth. As the policy is applied pre-encapsulation, I must create a class with an acl matching the remote sites IP ranges. An administration nightmare and prone to failure! I want to avoid this if possible.
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