Resolved! Traceroute !A !A !A
Hello,Has anyone ever seen !A !A !A return on a traceroute? Working on a network problem and got this on a traceroute and dont know what it means.Thanks,Richard
Forum Posts
Greetings. I have question regarding selection of an antenna to pair with an ISR4331 with one of the new NIM-LTEA-NA modules, (these are not vendor specific, but I'm using Verizon). I'm installing one of these as part of a pilot program. Curre...
Hello, Please bare with me as I don't have my CCNA yet. But I am being asked about the possibility of transporting a 2nd Internet connection (in efforts to save money on hardware) through our existing switches. In this building for example, ...
Resolved! ICMP Destination unreachable
Can someone help me to figure out this ICMP issue See attached diagram for more info and the config can be found below: When I ping from R3 to R1 loopback, I get the following error message: Error on R1: *Mar 1 06:38:29.862: ICMP: dst (8.8.8.8) ho...
Resolved! l2l VPN tunnel disconnects?
Hi All, I've recently migrated one of our locations to internet circuits and VPN tunnels and removed the old MPLS. I have a few users who are now complaining they are getting disconnected from their telnet sessions to our ERP application over the t...
Dear Team, I need your advise if we can connect Cisco Nexus 3K or 9K Switch with QSFP 40G uplink to 4x10G SFP-SR on the Cisco 4506-E Switch ? Please let me know if this is supported ? Regards, Farhan.
Resolved! IP route
Issue with getting connectivity Currently have a 3750X connected to a server at layer 3 only. Server will not communicate unless it is a routed port. Server is connected on port g1/1/1 interface gi1/1/1 no switchport ip address 172.16.16.33 255.255...
I am learning network from 2 different interfaces I want to prefer one over the other I am trying to use distance with the access-list command but it is not influencing the distance. I have tried this command for internal routes and works fine but fo...
Can anyone tell me if, when implementing IWAN PFRv3 with NHRP redirect/shortcut (spoke-to-spoke DMVPN) enabled; when there is a communication issue in the host (internet) network that prevents two spokes from establishing tunnels (eg Level3 is having...
Resolved! Cisco 2900 router OOB management
Hello, Can anyone help me with this question? Cisco 2900 router doesn't have a dedicated management port. If we put it on the internet, how can we manage it safely? We'd like to access it through telnet/ssh and SNMP (read-only). Is there any way we c...
Hi, I am new to creating a SPAN. When creating a span port destination on a Catalyst switch such as a 6509, does the destination port need to be setup as routed port (no switchport) or a switch port (eg: switchport, switchport access vlan x). The s...
Resolved! Configure PPPoE on Cisco 2911
Hi. We have a new 2911 ISR, running IOS 15.4(1)T, that we need to connect to our ISP. This is our first Cisco appliance and unfortunately none of us have any experience at all with Cisco products,so we're on a very steep learning curve... So apologie...
Resolved! default routes scenario
Hi Coming from a (mostly) switching and data center background, I'm still wrapping my head around some core routing concepts. Take two routers, R1 and R2, sharing a BGP/OSPF/EIGRP adjacency. When and why would you a) *manually* configure a default r...
Hi All, I looking for a cisco router for home, I want to implement ipv4 and ipv6, Im not to fussed about wireless as i will be using a unifi for this. I on Fibre so VDSL is needed. Any advice would be great, Thanks
How many BGP neighbor specific distance commands can be configured? I am using Cat6500 with IOS.
