I have Firepower 1120 in HA cluster and problem with NAT.I have IP addresses (A/B/C means subnets, doesn't matter i think for explanation) A.10 - main outside public IP **bleep**A.9 - main gatewayB.x - additional public IPs from ISP (got 5 of them, f...
Good day everyone, I am interested in Segment Routing WECMP. I've searched about load balancing in Segment Routing and found that there is a formula by which load balancing calculates. But i didn't find the logic that on which information it load bal...
Please help me understand what the underlined command is dong.ip as-path access-list 20 permit ^$router bgp XXXbgp log-neighbor-changesnetwork 151.101.XXX.0 mask 255.255.255.0neighbor 64.94.0.XXX remote-as XXXXneighbor 64.94.0.XXX send-communityneigh...
Can I install a EHWIC-1GE-SFP-CU 1-Port module into a cisco 2911 router?Thank you.
Hi all,I'm having an issue setting up an L2TPv3 tunnel between two routers. The routers are both 4431-SEC/K9's running 17.9.4a and have AppX licences loaded and in use:ISR_4400_Application (ISR_4400_Application):Description: AppX License for Cisco IS...
Hey All - Perhaps this ask may sound insane. But I am very curious to get the answer. Does Cisco Router maintain a MAC Address table like Switch?. In all my production routers I am seeing the MAC address table empty though IP ARP table is populated...
Hi all,i'm new to this Cisco world so bare with me please. i'm trying to configure OSPF between two Cisco 2800 series and i'm unable to see the neighbor routers. the design is not fully completed since i'm waiting for my second ASA and ISP link but i...
Good afternoon everyone,I have a Cisco C819G-4G-GA-K9 (LTE) router. The GigabitEthernet interface is my WAN interface.I have connected a client to FE, but I cannot ping 8.8.8.8.As soon as I disconnect GE, the Cellular0 interface jumps up and from the...
Hello everyone,we have a bunch of ISR 4431 running universalk9.03.16.04b.S.155-3.S4b-ext with no load at all. We have a big problem with memory utilization (As always, CPU and Memory management is one the biggest problems with Cisco softwares). Here ...
Why is my router choosing iBGP over eBGP? I am advertising the same prefix in a lab from the iBGP router(RR client) and from eBGP neighbor. Below are the attributes Key AttributesWeight: defaults to 0 for both paths.Local Preference: Both have a loca...
We're having an issue with OSPF routing done on a Nexus9000 that we are not able to figure out. To explain the situation fully, I'm going to provide quite a bit of information, I apologize in advance. Our organization currently has several branches, ...
Hello expertsI have a problem with an MPLS adjacency.I have an ASR900 connected to a 10Gb C9300, MPLS and OSPF are enabled in this interface, adjacencies are created and everything works.When the C9300 is restarted, the MPLS and OSPF adjacencies are ...
Hi all, my edge routers are running IOS-XR 7.7.21. We have quite a bit of intentionally exposed customer public address space and have endless problems with garbage traffic from a select few ASN's who don't police their networks (14061 Digital Ocean...
I have master Cisco ASR1002-X router with dhcp server.I have 120 Cisco small client routers with dynamic ip dhcp addresses.All dhcp leases are made by reserved-only IP address with client-id.When the small client router is restarted sometimes the sam...
Hi. I need help to port forwarding on cisco 881. The local address of my PBX is 192.168.203.10 and I have a white extarnal ip address X.X.X.X. So with the local users no problems. but i have a user out of my office which i need toconnect to my PBX. I...
