Cisco WAN :: ASR9000 - OSPFv3 Log Adjacency Changes Output
Mar 22, 2012
What is the log output that I should be seeing with "log adjacency changes" configured? Should I only be seeing LOADING to FULL and FULL to DOWN? I do not have "log adjacency changes detail" configured on an ASR9000 but I receive these state change messages that include EXSTART to DOWN and DOWN to DOWN.
RP/0/RSP0/CPU0:Mar 20 09:25:49.141 EDT: ospfv3[1021]: %ROUTING-OSPFv3-5-ADJCHG : Process 6000, Nbr 104.255.45.102 on GigabitEthernet
0/2/0/1 from LOADING to FULL, Loading Done
[Code]....
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Feb 20, 2011
how to create a vlan access port on ASR9000?
I want to connect a server to the ASR9000, but i don't know how to configure the port as access.
I have configured a bridge-group & bridge domain
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Apr 7, 2013
i been filterin LSA type 3 and the table route localy routes en ospf v2 ipv4 whit the commands distribute-list , area filter-list route-maps ACL and prefix-lis ¿but how can i do the same filterin in ipv6 whith OSPFv3?
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Aug 4, 2012
I am Implementing Cisco IP Routing (CCNP ROUTE FLG) book and right now I am reviewing IPv6 chapter. This part of OSPFv3 multiple instances over a single physical interface caught my attention
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Jun 6, 2013
How long it will be until we see OSPFv3 authentication in NX-OS? We now have it in both IOS and IOS XR, but the latest releases of NX-OS still do not support it.
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Aug 30, 2012
I have 3 routers all running OSPF. each of the three routers have 2 networks they are advertising..NAT Overload breaks OSPF Adjacency
[code]...
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Mar 3, 2013
I have a production L3 3750 stack with 2 WAN connections, which is connected to the companies WAN infrastructure using EIGRP.Recently there have been a number of hello drops from one site, which is causing the EIGRP adjacency to drop and so the whole site goes down from the rest of the WAN. Physical cabling has been replaced towards the ISP router, and the ISP have found no issues on their equipment or circuit.on occassions the utilisation is high on the link, so reasons for the hello packets to be not reach the end point, but other times the links are lowly used.The WAN links are active/standby, so the active is always used, but the EIGRP adjacency is dropped by both links.
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Feb 7, 2011
I have some c3560 with system MTU set 1546 with interface VLAN10 whose MTU size is 1546 and there is no possibility to change it to another value. and we have some cisco 2600 where I can't set MTU bigger as 1500. I have a problem in establishing the OSPF adjacency between cisco 2600 abd 3560 , the command "ip ospf mtu-ignore" is set on both side but it doesn't work - the OSPF packets which are sent by c3560 are simply lager as 1500 bytes and are dropped by cisco2600.
the problem is that sometimes c7200 losses their BGP session, I would say in most cases it happens between NPE400 and NPE-G1/G2 whit error message like "session closed by a peer x.x.x.x" after some seconds BGP session goes again UP , and then after some minutes again DOWN .
it can be MTU problem, as the traffic passes those c35660 with MTU1500. The neighbour status showes that "transport tcp path-mtu-discovery" is enabled an all neighbours but it seems doesn't work. if I disable the path-mtu-discovery on the neighbours - the BGP session between them stays stable.
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Sep 19, 2012
Our remote 881s are running ospf with the DMVPN headends. Recently, I've been testing a couple 881s using eigrp. I've configured eigrp on the headends so I can test the 881s using eigrp. They seem to be fairly stable and are getting all the redistributed routes from ospf but, I've noticed when I show the eigrp neighbors the uptime will indicate that it is resetting every so often. Sometimes the routers that are using eigrp have a uptime of 12 hours and some will resett after a couple of hours. So, I started logging. [code] why I could be losing the adjacency and then getting it back right away?
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Apr 28, 2012
I am little confused about the location of FIB table and adjacency table in both cisco 6500 series and fixed ports switches .In case of 6500 series switches
"Central CEF mode:The CEF FIB and adjacency tables reside on the route processor,and the route processor performs the express forwarding. Use this CEF mode when line cards are not available for CEF switching, or when features are not compatible with distributed CEF."
If line cards do no support CEF, then FIB and adjacency tables are built and are located on route processor( control plane ). Data plane operations are implemented in software and route processor performs those operations.
Some Cisco switches actually use different hardware to control the different planes. For example, the Cisco Catalyst 6500 is a modular switch that uses the Multilayer Switch.Feature Card (MSFC) for control-plane operations, and the supervisor Policy Feature Card (PFC) for the data-plane operations.
Supervisor module has has MSFC and PFC. MSFC implements control plane operation where as PFC implements data plane operation.But the first paragraph says in Central cef mode, both data plane and control plane operations are implemented by route processor. [code]
Do these switches implement the Central mode cef in same way as mentioned above. i.e
"Central CEF mode:The CEF FIB and adjacency tables reside on the route processor and the route processor performs the express forwarding. Use this CEF mode whenline cards are not available for CEF switching, or when features are not compatible with distributed CEF."Or fixed ports switches such as 3750 implement data plane operation in hardware where FIB tabe and adjacency table are maintained on Data plane.
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Apr 16, 2011
I want to watch internet streaming on my TV. And I don't want to have my PC turned on all the time. I've learned that I need some set top box for that, so I could connect it to my cable modem and TV. But all set boxes I've seen so far are for HDTVs and my TV is standard with S-VIDEO input.
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Jul 18, 2012
I have run a netconfig jobs in LMS 4.2.1 with these settings: [code] After running the job the "Device Details" of the jobs say "Successful Devices" for all three switches:"Deploy successful (Primary Login Succeeded / Primary Enable Succeeded )" For the devices switch-1 and switch-2 I get the desired output: [code]. Why there is no output although the job is successful?
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Jan 26, 2012
I was given an old Cisco 2611 to screw around with, no idea if it's working or not and no idea if the configs and passwords were wiped. Now my problem is that when I turn it on I don't see any console output at all.
Using 9600 baud, 1 stop bit, 8 data bits, no parity or flow control.
The power LED comes on and the activity light blinks for ~1 - 2 minutes before stopping. If I plug something into one of the Ethernet ports on the back the link light comes on for the port and the activity light occasionally flashes, from DHCP probes or something from my netbook I assume.
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Mar 15, 2011
I'm looking for temperature monitor (HDD, CPU) that can be run with parameters, and have cmd result output.I need some software to monitor temperature in Labtech software.
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Aug 1, 2012
I have copied status codes from show ip bg command output and its explanation (from Cisco documentation site)., d and h (suppressed, dampened and history). I read somewhere that these are to control flapping routes. But not able to understand it completly.Raised this question in a couple of forums but didnt get a proper reply.The table entry is suppressed.??The table entry is dampened. ??The table entry history. The table entry is validThe table entry is the best entry to use for that network.
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Mar 22, 2013
I have a 3750X-24T in our production environment that is showing very high number of OQD's in the 'show int sum' output for 4 of the Gigabit interfaces; the interfaces are each in a seperate port channel and there are no OQD's for the relevant port channel and there are no output drops showing in the output for the 'sh int' command for each interface.
The following are the OQD's for the relenvant interfaces
Gi1/1/1: 0
Gi1/1/2: 0
Gi1/1/3: 0
Gi1/1/4: 0
Gi2/1/1: 4252879251
Gi2/1/2: 4251090833
Gi2/1/3: 4251754140
Gi2/1/4: 4294942102
Po1: 0
Po2: 0
Po3: 0
P04: 0
Gi1/1/1 and Gi2/1/2 assigned to Po1, and so on.
IOS version: C3750E-IPBASEK9-M 12.2(58)SE2
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Aug 18, 2011
In a basic VPN l2l scenario using ezVPN, server behind NAT device, client using 3G. What would be the reason to have in the output of the show crypto ipsec sa, a current peer different from remote crypto endpoint on the server ?
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Jan 31, 2012
I have an issue with an ASR 1001. The problem occurs with MQC shaping applied to a gigabit interface in the outbound direction. The CIR of the provider we are using is 100Mb/sec, so we are shaping to that value. However when reported traffic levels are about 60Mb/sec, we see a steady increase in output drops. [code]
I have also tried increasing the hold queue, however this does not work with the drops. Increasing the shaping rate to 200Mb/sec gets rid of almost all the drops (not quite all!) but is not what we need. I think that we should see some drops when rates spike above 100mb, however the amount we are seeing seems excessive?
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Jan 31, 2012
I am looking at the interface stats of port Fa1/0/2 and see something strange. Ouput drops are 42Billion in 16mins, then 21249 few seconds later, then followed by 42Billion drops again, then 21444...and so forth..I keep getting an entirely different output drops reading everytime i refresh within seconds of each refresh!
sh int fa1/0/2
FastEthernet1/0/2 is up, line protocol is up (connected)
Hardware is Fast Ethernet, address is ecc8.8266.d604 (bia ecc8.8266.d604)
Description: MSGMERGF1
MTU 1500 bytes, BW 100000 Kbit/sec, DLY 100 usec,
reliability 255/255, txload 12/255, rxload 11/255
[code]....
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Mar 14, 2013
we installed two weeks ago a 867VAE-K9 as a border router for a medical practice.It's got two vlan interfaces for inter-vlan routing, only one Gi interface up in trunk mode to the core switch and the ATM for ADSL2+ connection to the local ISP. A cisco wap is on the secon vlan for the patients. There is a voip pbx on a linux machine that registers 5 trunks to an external provider (only one trunk is used right now, and it works fine).(Almost) everything works fine :-) Sometimes (it can be hours or days) the routing to the internet stops. The meds can still use the LAN accessing everything in it with no lag, and the patients can access the isolated SSID on a Cisco wap on the second vlan. They simply cannot surf the internet.
- DNS and local routing is fine
- the router is reachable through the Gi interface
- they can send and receive traffic to and from the 867 vlans' IPs
- the ATM, dialer 0 and virtual access are up, line protocol up
- the dialer has got the IP address negotiated from the ISP
- default route is negotiated through ipcp
- the controller vdsl 0 is in showtime! state
- from the outside we can ping the PPP peer, but not the IP of dialer 0
The only thing is the queue counter of ATM which shows drops and total output drops. Attenuation is fine, noise margin not so well. The point is that outside traffic to the internet is at low levels and the routing almost always stopped when no one was using the internet (i.e. out of office hours). It already happened 7 times in 16 days. The problem obviously is that voice traffic is impaired by the stuck router, and no med there is able to ssh into the router and re-activate the atm 0 with a shut/no shut.
It is not necessary to reload. A fast shut/no shut of the atm0 (no wait between the commands) will make it running again.We're activating the smarnet for this router to update dsl fw and ios image, but I thought I could post here before that.[code] As a brutal workaround till the update/fix, I was thinking about monitoring the reachability of some external systems and use snmp from the lan to shutdown/no shutdown the atm (though I don't even know if that would be possible from snmp on this router).
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Jan 4, 2011
We have a 7613 w/ WS-SUP720-3BXL running 12.2(18)SXF11. We have a 48 port WS-X6748-GE-TX that has one interface that keeps getting output drops for anything over 200Mb/sec.
See the attached file which has more details and show results.
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Feb 14, 2013
Like the way you do with the Cisco IOS.
ie show start | i router
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Oct 3, 2012
I have some lags on my 3945 router. From show ip nat statistics there is following output:
BR1#show ip nat statistics
Total active translations: 20 (0 static, 20 dynamic; 20 extended)
Peak translations: 8877, occurred 1w0d ago
Outside interfaces:
GigabitEthernet0/0, GigabitEthernet0/1
[code].....
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Feb 7, 2011
I have this topology in part of my networ:k
Cisco7200---Cisco6500---Cisco3560---LAN1
|
Cisco3560
|
LAN2
All devices are interconected via optical 1Gb/s links. There is no QoS implemented on any device and all VLANs are allowed on all interfaces.
Also all links are trunks (with many VLANs)
In LAN1 there was a layer 2 broadcast-storm and 4000packets/s was comming to rest of the network (in one particular VLAN).
1) 7200 with G1 should be able to handle traffic up to 500Mb/s, but a lot of users experienced drops on traffic via 7200.
(CPU load was around 10%).
2) Why do I have input drops on 7200 on link toward 6500 if CPU was normal. Broadcast comming to this interfaces were cca 4kpps. But since it's destination is not on router these packets should be rejected on interface controller. Is that right? (7200 doesn't even has dot1q subinterface in that VLAN but since 6500 allow all VLANs on its trunk these packets reach 7200)
3) Why do I have output drops on Cisco 6500 (it is here as layer 2 device only)? It is max 160Mb/s in output direction. It has WS6724 card with DFC (there is no oversubscription).. Shouln't 6500 send traffic as fast as interface allows (up to 1Gb/s). Am I righ't?
4) After all how coul'd 6500 now if 7200 can't handle these traffic?Output drops should be only seen if QoS is enabled (i.e. shaping), or if there is oversubscription on the linecard?
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May 14, 2012
I have cisco 887M-K9 router and I can see output drops are increasing on ATM interface. [code]
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Mar 8, 2012
I have a Cisco 2821 with ios Version 12.4(21). On that router I have a WAN link that is 550mbit dual. The interface is 1000FD so i need to shape my output traffic to max 550mbit - otherwise my ISP policing is dropping the traffic.
I've looked at this document url... and i'm trying to use this interface command:traffic-shape rate
But the router wont accept rate value 550000000 that should be 550mbit in bits/s
Is it not possible to shape the traffic to 550mbit on the 2821 router?
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May 24, 2011
I have an asa5510 on 8.2.2. I have my logging configuration as below [code] I am not getting any syslog output to the syslog server. I'm using kiwi syslog server latest version. Have tried disabling/reenabling logging and changing inside host destinations. Is there another command needed
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Dec 26, 2012
Is there a command like the "| include" command to filter comand results? For example say I want to find a specific client mac in the "sh dhcp leases" output. On a router or switch I would just type "sh ip dhcp binding | include (mac address). Is there something like this on the WLC CLI?
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Jul 29, 2012
Why my OC3 interface is showing increasing output drops its starts happening as soon traffic exceed 60Mbps ( FYI my traffic never exceeded 75Mbps MAX, and circuit is 150Mbps from carrier , full OC3)
Below are few stats as starter. IOS i am using is c7200p-is-mz.122-31.SB10.bin
sh int pos1/1
POS1/1 is up, line protocol is up
Hardware is Packet over Sonet
[Code].....
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Oct 25, 2011
Would it be possible to change output style of "sh running-config" in SF-300 switches to Cisco IOS-like format (eg.: options related to the specific interface put together, add tabs) in the next release?
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Oct 26, 2011
There're more than twenty 6509VE running in the network. All of them has got 1GE or 10GE SFP / GBIC.However, when I tried "show int trans" in some of them, there's nothing shown:
Router_A#sh int transceiv
No transceiver present
Router_A#sh inv
Router_A#sh int status | i connected
Gi1/1 connected 304 full 1000 1000BaseSX
Gi1/2 To WLC5508 connected trunk full 1000 1000BaseSX
Gi1/3 To WLC5508 connected trunk full 1000 1000BaseSX
[code]....
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Mar 2, 2011
I have some problems on my newly purchased wan routers Cisco 2921 with 15.1T3
on the wan interface is see "ouput drops" this is gigabit ethernet on both sides , but the ISP delivers 30mbit/s on this line.
ellslr1#sh int gig 0/2GigabitEthernet0/2 is up, line protocol is up Hardware is CN Gigabit Ethernet, address is 1cdf.0f26.beb2 (bia 1cdf.0f26.beb2) Description: *** WAN *** Internet address is x.x.x.x/x MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 10 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation ARPA, loopback not set Keepalive set (10 sec) Full Duplex, 1Gbps, media type is RJ45 output flow-control is unsupported, input flow(code)
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Sep 27, 2011
Am experiencing high output drops o int Gi 46,47,48 2950 int fa 22 23 and 24 are conneced to 3750 Gi 46,47,48 core sw1 3750 is connected to 2950 sw2 and vice versa
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