Routing

I am running traceroute to 8.8.8.8 but it is not working. though when I ping 8.8.8.8 but its pinging  I have done quite a research and learned that traceroute works on udp dns resolution. Cisco 891 is configured with ZBF and udp and icmp is allowed f...

Hello. I need help. I have some Nexus 93180 as leafs in vPC domains, and Nexus 9336 as spines. As underlay network i use OSPF, iBGP with EVPN? without multicast. Leafs aggregates servers, and on one of them i use as a router between VRFs (VRF lite wi...

On 2921s, PAT is used to map the outside address (port 8080)  to an inside Apache Web server (port 80).  Unfortunately, the PAT prevents access to Apache (port 80) using the inside address over an L3 tunnel.  The L3 remote endpt is the same outside a...

Hi, I am trying to activate pim sm multicast routing between a firewall cluster (non cisco) and two nexus 5648 (no vpc). Firewall cluster has one ip address (in each zone), nexus use hsrp (in each vrf). Well known multicast problem: firewall drops pi...

I have seen BGP behavior that I do not understand. The CE receives a prefix of the neighbor eBGP (a PE) and re-announces the same prefixes, exactly the same, with the same attributes. In other words, a neighbor eBGP announces a route and it returns i...

I'm studying traffic shaping and policing and want to make sure this policy I created will do what I intended. I have a device on the network: 10.0.3.50 My intention is that when this device attempts to communicate with subnet 10.0.7.0/24, traffic wi...

Can someone please share with me an example of a tcl script to change an IP address on an interface and well as add/remove IP route statements?    Thank you, Jacob

Peace, I've trying to replace an old asa with a new one, i configured the new asa manually from scratch, but whenever i connect it, eigrp neighbors form, routes are in the topology table, but not in the routing table like in the old asa.the outside i...

need to know if the 1200W power supply (NC55-1200W-ACFW) uses a male C16 plug (with the locking lug) or a male C14 plug.  We use standard C13 female / C14 male cables into the PDU, but I can't use those same cables if the power supply for the 5500 us...

Hi everyone,I have a router which has recently begin generating many PARSER-5-CFGLOG_LOGGEDCMD log messages. It used to happen once a week or so, but now it is repeating throughout the day, every day.The messages come through looking like this:Nov  5...

HelloI am having a problem with aclI attach a screenshot of the scenario that I am testing in Packet tracerI want that the computer 192.168.1.10 is not able to ping the pc with ip 172.16.0.1.Using this acl on g0/1 out:Standard IP access list 110 deny...

How can I filter traffic from different vlan to a specific vlan,and also I need to filter traffic between the same vlan.The switch L3 is WS-C6506I have read that I can do it with VACL.Any suggestions please.

Hi All, Going to set up a site to site on my ASA, however I will need to use the public addresses rather than private addresses in the encryption domain. The question I have is that if I already have static NAT configured for the IP's do I need a nat...