Finding accurate answers to your questions and issues is always gratifying, but what if these answers are shared globally across different languages? The Cisco Community team has been working on a proof of concept (PoC) to take Accepted Solutions in...
Hello everybody. I would ask you a question regard Tunnel GRE from different VRF.For sure I missing some piece of the jigsaw. I created this simple topology on which I have two ptp connected router and two Tunnel GRE interface in a VRF-Lite: - VRF 2 ...
Thank you for looking in. I'm reviewing the port requirements for StackWise Virtual and want to know the number of ports required for this configuration type. The network design is a basic IR/DR collapsed core as depicted in the attachment. From ...
Dear Community, I came across the following blog (https://packetpushers.net/anatomy-of-gre-tunnels/) regarding GRE tunnels but had a question about it. The topology and config are attached. My question is this: -How is it possible according to th...
I am trying to get an EHWIC-4ESG working in a 2901 and am having a couple issues. Everything I've read says that this card is compatible with this router. We've tried 2 of them now from the same source and both have acted the same. Please see below f...
Hi GuysI am seeing PPPOE negotiation issue with the newly deployed IR1101 router with the external SFP. We could establish the ppp using the 887 router but we cant on this new IR1101 device, we see PADI, PADO messages in the pppoe debug but it keeps ...
Hi, I am having some issues after a core migration with multicast. The core that we migrated to supports a maximum of 8k multicast routes and we are currently exceeding that amount due to traffic from UPNP (239.255.255.250) coming from our wireless ...
Hi I have recently started working on a site, where there are 2 Hub sites connecting to many CPE's around the country over Layer 2 WAN links (WAN links accept only 1 Dot1Q tagged VLAN and both sides of the connecting devices have to be trunk, ISP is ...
Hi , As we know UDP is a protocol, which doesn't have a MSS filed in the UDP header unlike in TCP header, where we have MSS field. My questions is when it comes to fragmentation, how does UDP packets get fragmented provided that it does not have a M...
Dear Team, Could you help me out to troubleshoot a scenario where I placed internet facing interface into the FVRF, the main aim is for all Site connection must pass the traffic through the default route which is configured in the FVRF.In the FVRF th...
I commonly see BGP configured on a provider (P/PE) router like this (this is a real router snippet just anonymised); router bgp 12345neighbour 1.1.1.1 remote-as 12345 ! iBGP peeraddress-family ipv4neighbour 1.1.1.1 remote-as 12345 ! iBGP pe...
I have a strange problem that I’m struggling to get to the bottom of with my ISP and wondered if anyone could help. We have a site with an older Cisco 877 ADSL router which was working happily until a few weeks ago when the connection dropped suddenl...
Repurposing a Cisco RV345 router as a network switch behind the new router, and I am hoping to squeeze two more lan ports out of it by repurposing the WAN 1 and WAN 2 ports - is this possible on these devices? At the moment my connection from the RV3...
Hi AllQuick question, when we look at a typical ISP network that provides an MPLS network such as BT.If they use route refectors, where would they normally put them ? what is the best place in a large network?Also, if you run a BGP free core, such as...
RoHi,I am going through some CCNA stuff and I would do some excercises in packet tracer. My problem is that I cannot write special characters anywhere - for example when I would want to write | so I can filter the output I would press AltGr+W. Except...
Hi friends,I want to know if ISR4321 supports NIM-8CE1T1-PRI module.I'm looking for an answer to this question but I haven't find yet!thanks
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