Routing

Hello Guys, 1- I was wondering if L2 VPN is limited to a specific data link protocol (e.g. Ethernet, PPP). I got confused when I went through PPTP VPN. 2- If it not limited to a specific protocol, why are we using Layer 3 VPB, as IPSEC? Thanks, Ahm...

Hello dears, I have 2 IOS loaded into the flash on a Cisco 2960 plus switch  the first IOS is the default that was loaded from the factory and the other was loaded by me  every thing goes fine when i boot the default IOS ,but when i tried the other o...

I'm not sure where else to go with this one..... We're testing the EHWIC-4G-LTE-VZ card with a 2901 router in our lab. We had a flexvpn setup over Verizon to an ASR1000 on the other end. Nothing fancy : crypto ikev2 client flexvpn EnventisFlexpeer 1...

Hi I'm very new to Cisco. However i finally managed to get my Cisco 887-VA router working on my sky connection. it works fine but on speed test.net the speed is not consistent. if you have any pointers or inaccuracies please advise. many thanks also ...

Hi, Can anyone tell me how can I size a router to perform as GETVPN key server? and I need to know what's the equivalent 4K router to 2951 if i'm planning to use it as key server.Thanks.

Dear Experts, I have been reading PPPOE and know that it is being used to send PPP over Ethernet. This is mainly seen in ISPs. My question(s): - The PPPOE username/password, is it is used to authenticate out PPP connections between the Modems or t...

Hi All, A newbie in multicast and started playing around with sparse-mode. I have attached a sample diagram. Brief summary: R1- IGMP router for source (R5 is simulatyed multicast source) R2- Rendez-vous point R3- Upstream Mcast router to R4 R4- IGMP ...

HiI have a rare case. switch 6500 make crash and go to rommon. when review the crash appear that the switch charge the configuration from nvram, but, at the ending there are a few line command, that make the switch go to crash.. then I have to bootin...

Hi All ! On my ASR 1001 - X I done a simple Traceroute and got this as a result HostnameHere#traceroute 46.182.249.38 Type escape sequence to abort. Tracing the route to 46.182.249.38 VRF info: (vrf in name/id, vrf out name/id)   1 80.81.194.140 [A...

All, We have a Cisco 4321 IOS-XR that we need to install a NIM-2GE-CU-SFP.  We currently have this image installed as of now. isr4300-universalk9.03.13.04.S.154-3.S4-ext.SPA.bin Will the above version support the module in italics above? Let me know,...

Hello Experts, I am facing the issue with By using Cisco 2911 router soft phone(zoiper) is not registered to SIP provider. soft phone(zoiper) is working fine for with out cisco router I tried directly ISP connection to my laptop it is working fine bu...

Hi, We have two hubs and two spokes at each site, two hubs are for redundancy spoke 1 has tunnel 1 and spoke 2 has tunnel 2 and both are connected to both hubs.tunnel 1 has internal apps traffic hosted in hq and tunnel 2 takes branch office ip phones...

Hi everyone,  I got an C891F router, attched to two ISPs (first ISP : Up to 180Mbps , second ISP : speed s up to 70Mbps) I configured VRFs so each ISP serve different LAN  (2LANs one for the employes and the second for students)  So the problem is t...

So I'm soliciting advice where I need answers...here goes! I'm designing on-the-fly a DMVPN overlay. Each Branch ISR(4331's and 2911's) has 3 incoming WAN Connections. 1. MetroEthernet WAN provided by MPLS Provider 2. Internet via Local Cable Provi...