Routing

I've got several internal networks with overlapping IP schemes so we stuffed each into their own VRF so they could get out our 2911 router and into the outside world. We have a couple /28's and I can get everyone out onto the internet with each netwo...

I am trying to monitor up/down status of isr's with dual interface/dual isp implementations.  It is an active/passive implementation.  The monitoring tools are remote third party icmp/snmp apps like solarwinds orion or prtg.  The primary is being mon...

Hi, We were trying to upgrade a router - specifically a C871 to C881. We have a DSL circuit connected to the old router  (C871) and everything is working fine - I can ping the next-hop device and I can get to the Internet. We swing over the DSL circu...

If my service provider delivers a circuit with a 10Gb LAN-PHY handoff can I use a standard 10Gb Ethernet port (with the appropriates optics) or do I need a SPA-1X10GE-WL-V2 (Cisco 1-Port 10-Gigabit Ethernet LAN/WAN-PHY SPA with the appropriates optic...

Hi, I am having GRE VPN Tunnel to US. At India,we have 2 Internet Circuit and hence running 2 tunnel to same US end point. I am able to achieve the HA for GRE VPN tunnel connectivity using EIGRP DELAY metric. But since, I am having a default route fo...

Hi All, I have ISR4351, with card NIM-8CE1T1-PRI. Pinging through the E1 link 0/1/7 (ser0/1/7:0) to next hop 1.1.1.2 make the module NIM-8CE1T1-PRI reloading??? See the steps of reproducing the problem. Configuration below: Tanks for your valuable he...

I have a Cisco 3925e router running a IOS Version 15.4(3)M5 and it is being used as an edge router. The internet stops working and the input rate gets choked on two outbound interface GE0/1 and GE0/2. Whenever this happens I see the following errors...

We have installed an HWIC-4ESW card on a Cisco 1841 router in SLOT#0. However the card is not getting detected ios version is 12.3(8)T please suggest  Thank you 

Hi I have a Cisco 1941 which I'm using to connect to a 3rd party VPN service. I have got everything working perfectly, including route maps to send traffic outside the VPN if needed. However when I reboot the router Interface Virtual-PPP1 stays down....

I found show spanning-tree commands works on Cisco 7600 router. My understanding is that spanning tree is needed on switches to avoid loops. why do we need spanning tree on routers?. Please advise

I'm looking for a tool that can find max avail bandwidth between two Cisco router each connected to the internet with VPN tunnels to each other. Any suggestions?

I just want to make sure I understand properly, once a BGP neighbor is established, do these neighbors immediately start exchanging routes currently present in their BGP table without any sort of redistribution or "network" commands? For instance, th...

Hello,  I am not sure I understand what Solarwinds is reporting so many CPUs and some of those CPUs are in high utilization. Knowing that the NX7009 with 2 SUPs comes with only 8 CPUs. See attachment.  Can someone explain to me why we're seeing so ...