Routing

I started a brief inventory of the small ISRs in our network and noticed that, while most 851s have ROMMON version 12.3(8r)YI4, there is one with 12.3(8r)YI2 and one with 12.3(8r)YI3 (those two being manufactured least two years earlier than the rest...

All,I've been working with BGP for 14 years and have deployed many implementations in multi-homed environments with full Internet BGP tables.I've had conversations with various people lately about using policy based routing instead of the full BGP ta...

Hi All,Had an issue at work today I was wondering if I could bounce off you guys:We run an EIGRP hub and spoke network with DMVPN tunnels for the WAN connectivity. At the spoke sites, we have redundant EIGRP routers controlled via HSRP. Active router...

I'm not sure at which layer QoS mechanisms work. I mean, if you configure various QoS bandwitdh parameters like bandwidth in CBWFQ, priority in LLQ or shaping and policing bandwidth values, to data flow at which layer does it apply? It seems that val...

HI GuysI have been brushing up on my QOS and just come across something that i cant get my head round it....bascially i setup MQC for PING class (marked as AF33 and part of access-group 1 ) ....i have policed the traffic to 8000bps (1000bytes) but wh...

I have Cisco 7206VXR with following OS.disk0:c7200-jk9s-mz.123-13.binI have WAN / Internet P2P connectivity on its FastEthernet interface and some GRE Tunnel.I just noticed that i cannot ping WAN P2P and GRE P2P IP addresses, but i am still able to p...

Hi All,Kindly let me know this answerHow do loop occur in OSPF and how to prevent ?WISH U ALL VERY HAPPY NEW AND PROSPEROUSRegards,Sanjay

I'm running an ASR1001 with IOS-XE version 15.1(3)S6.I don't seem to be able to apply a policy-map to a tunnel interface that running in "tunnel mode ipsec ipv4".  The router gives me the error: Error: NBAR is not supported on Tunnel227.   When I try...

                Hi Evryone Can someone answer me please I have one SIM card . Is it possible to insert in any slot 0 OR 1 from my router, and the router recognised automatically the sim card?Do i need the configure the slot when i change the slot sim...

Hi, I want to use static route with BFD on Cisco 2951 router. The Cisco 2951 only has the image: c2951-universalk9-mz.SPA.153-1.T1.binI login the router and enter:# config terminal # interface Ge0/1And I cannot find any bfd command in the interface m...

Hello all, HAPPY NEW YEARS!I have Charter cable broadband internet service in my home. I'm using a Cisco 2821 as my router and noticed I sometimes have to refresh my browser to get weg pages to load. I also have issues pinging host outside my network...

Hi,Is there a way to allow only certain IPs to be able to ping my 887va remotely over the internet to check it is up and working? This is so my offices can confirm it is up.Thank you.

I searched online for this, but probably wasn't wording my correction properly.  I did find lots of examples, but no why-explanations.I would like to know that when I have a connection that uses BGP, how do I know if 'd-i o' (default-information orgi...

Hi, I am getting this alarm on OpManager. Seems its cause only the one power cord is plugged in out of the 2 provided on the router."Hardware Sensor Name : C3900 Unknown Power Supply 2. Category : power.  Current State : critical(3) - The sensor is o...

  Hi,can someone explain why i am seeing unknown protocol drops on the interface and also unknown media type detected and this is a MPLS WAN interface.                 GigabitEthernet0/0 is up, line protocol is up Hardware is PQ3_TSEC  MTU 1500 bytes...