Routing

I have IP SLA configured to run a script if a remote host stops responding, to switch to the backup connection in OSPF. This is for when the primary circuit goes down hard. However, if there is intermittent, say 50% packet loss, I wind up with route ...

Hi all As the title suggests we have a number of VRF-enabled VTIs between our DCs that each currently have an OSPF adjacency established. We would like to implement BFD to support faster fail over. Given the above, has anyone implemented this? We hav...

can someone explain what is the difference between ospf exchange stage and loading stage?? from what i kw in exchange stage only summary is exchanged and in loading stage full database is exchanged , please explain this more clearly with example.....

why subnetting is always done starting from the largest network??

If you are looking for the foundation of the DNA, so here is the 4k.  Do not look any farther.

In my home network I have web server and I access it with local IP (ex. 192.168.1.200) but it is forwarded to the internet so that I can access it from anywhere in the world via WAN IP address (ex. 12.34.56.78). Is there any settings so that I can ac...

I have a ppoe ADSL internet connection. my dialer interface is often getting freeze and lost internet connectivity. need to bounce the dialer to fix it Have NAT configured on the interface for internet access,  whats the reaso for this and any solut...

Why do we make different dial-peers for different type of calls like Long distance calls, local calls, international calls, 911 calls(emergency calls). Why can't we match the dialed digits as "destination-pattern 0T" instead of making and managing so...

Hoping to find a better solution with the implementation of Route-Maps, any advice will be appreciated Here is the scenarioI am running Cisco 887VAG routers, which gives you an ADSL connection & a Cellular (3G) connection.In my scenario the ADSL conn...

Why do we hear ringing/IVR when we hear RTP in wireshark from SIP traces when RTP is supposed to be established after 200 OK followed by ACK and all these things happen before ACK? I think the only thing which should be in RTP is the conversation whi...

I'm having these strange network latency, crawling speed issues on a couple of Dell R610 servers I have. I have multiple other R610's with same specs, connected to the same Cisco 3750 switch and they're fine. I've done a lot of troubleshooting and st...