Hi all, I am looking for some advice please in terms of upgrading the code on several of our ISR 4451/4431 routers.Currently they are running variants of the 3.x train and I’d like to upgrade them to a later common code version. I am a little confuse...
Is it proper to configure a router interface with an ACL for In and Out if you don't want that particular traffic to be allowed?
Hello. We have a remote site with a 5506-X FTD. We utilize a DMVPN GRE tunnel back to our main HQ through a Cisco 4331 router one hop behind the FTD. Our primary internet is somewhat unreliable, so we've added a secondary internet connection via a Ci...
hi,In Chris Bryant book, it is referred to as an attribute. In Cisco BSCI Command Reference, it is described as a "summary" address.is it the summary route? or an attribute?
I am hoping someone can help me with this problem that I cant seem to figure out. Router EIGRP1 is connected to 2 routers f0/0 - R1, f 0/1 - R9. I can get a eigrp neighbour with R9 but I cant work out why I cant get a neighbour between EIGRP 1 and R...
hi, can you help me, how to access Server-A from WAN. I have 3 devices: - firewall (sonicwall)- router (Cisco)- Switch (Cisco) with the topology as shown below: as default initially installs the Sonicwall firewall, the x0 and x1 interfaces are activ...
Hey guys, I'm running a pair of Cisco Nexus 9K's in HSRP mode as the core routers. I created a a 10.29.0.0/19 subnet to accomodate our ever-increasing list of BOYD devices. I noticed that the latency is extremely high when pinging clients in this sub...
Hello Everyone,the interface f0/0 of R1 and f0/1 of R3 were assigned to vrf vpn13. after all ospf sessions were established i found that R1 could recieve the inter area routes from another area well, but r3 couldn't. the show ospf database command pr...
I am looking to change the destination address of a packet inside a CSR 1000v, based on source address and port. For example:If an external IP, say 1.2.3.4, sends a packet to 5.6.7.8 over port 80, I would like any packets that match that source addre...
Hi all I need to toggle two interfaces in a router depending if the link tw1/0/1 is up or down. From information I found online, I built the following script, but the 'event track 10...' line doesn't work. How can I solve this? Router is running IOS...
I'm looking to use PBR or Route Mapping to change the destination of a packet based on it's source IP and/or port. Both if it's possible, I'd like to specifically say "If the source is x.x.x.x coming over port x, change the destination to x.x.x.x and...
Dear all,As DR & BDR listen on 224.0.0.6 & All other routers listen on 224.0.0.5.If this is correct , That means DR send hellos on 224.0.0.5 , and as BDR listen on 224.0.0.6 ,then how BDR knows DR is Down when Dr goes down.Thanks in Advance.
Current architecture has us using MPLS - 25 stub branches which communicate back to 2 our Corp centers. 50% route to Corp 1, the other 50% route to Corp 2.Has anybody had any experience with such a project? We are currently running EIGRP which we can...
Hello there,As all know, OSPF uses 224.0.0.5 and 224.0.0.6 for DB updates. Once the OSPF n/w is converged, the 'show ip interface' command shows the multicast group the router has joined.My question is, when ospf is enabled on a interface, will the r...
I bought cisco ISR 931 router recently and struggled to setup 2 IPSEC tunnels. The router is put as edge router that directly faces internet with one fixed IP and connects to 2 remote sites with 2 fixed IPs for the 2 IPSEC tunnels. To begin with, I c...
