I currently have a cisco ASR1001-HX (1SR) with rommon version: 16.9(4r) and IOS XE 16.12.04 and I want to upgrade to IOS XE 17.9.4a, according to the documentation I see that first I have to upgrade the rommon version to 17.3(1r). It is not clear to ...
C1111-4P has only one serial port (con 0) I tried to use the port for accessing console of another router, but telnet is rejected. #telnet 10.10.10.10 2000Trying 10.10.10.10, 2000 ...% Connection refused by remote host 10.10.10.10 is loopback of C111...
I'm testing Cisco Cloud Services Router in a virtualized environment. See the attached image for the topology I've setup. Basically I have 3 CSR's and one vShield Edge that are talking eBGP to each-other.The problem I'm having is that sometimes, the ...
I want to filter OSPF intra-area routes (area0) on Nexus 7000s, but I found that the Nexus device does not support distribute-list, but uses table-map instead of distribute-list. Can I use the following command to filter the area in ospf? Within the ...
Hello,We have set up separate VLANs for phones and data, with the phone VLAN2 and Data on a native VLAN. I am able to access the phones and UCM IPPBX GUI from the native VLAN, which is on my 192.168.0.0 subnet, to the voice VLAN, which is on the 192....
Hello,I have a communication problem between Cisco 8500-12X and Fortigate Firewall. The problem is that both devices suddenly stopped communicating with each other (they do not respond to ICMP - on FW I allowed ICMP packets) Of course, no other traff...
Hi,I need to make these PCs communicate between them but i think there are some steps of the configuration im missing.this is the topology(nevermind about the f0/0 link). the Layer 3 switch configuration i used:... conf tvlan database vlan 10 vla...
Hi everyone, I am trying to deny VLANs to each other and only be reaching server VLAN. My commands below is successful on packet tracer but failed during implementation. ip access-list ext DenyVlans_50permit ip 172.16.50.0 0.0.0.255 172.16.36.0 0.0.3...
Hi please see the below two picture of vxlan structures. Based on my understanding, one is considered as layer 3 package and second one is layer 2. In different travel phase, it show different structure, Is this correct?
Helloi want to know how i can loop prevention in EBGP cisco ? i use allowas-in and AS-Override ?what are attribue can loop prevention in session EBGP ? Thanks
i have a hub with configuration similar to this: ip route 192.168.1.0 255.255.255.0 10.0.0.1ip route 192.168.2.0 255.255.255.0 10.0.0.1ip route 192.168.3.0 255.255.255.0 10.0.0.1 Is there any way to simplify the static route configuration so that i d...
We are looking to buy a new router and have selected this model(C8200-1N-4T), so can anyone tell us how many port(Ethernet and SFP) this router has?
I have a problem with pppoe server ghosts sessions: C 172.16.1.116 is directly connected, Virtual-Access2.7 is directly connected, Virtual-Access2.6 is directly connected, Virtual-Access2.5 ...
Working with my colo provider, they’re telling me my firepower is dropping packets that are larger than 1362 bytes. They showed me some juniper logs that seem to validate this. Also if I ping with packets larger, the ping fails but if I do smaller pa...
Hello guys , i have a strange problem. Quite many pings are missing (while -t) , for example when i ping one device from another one , within the same subnet/vlan ) (x.x.x.8 to x.x.x.9/253 or reverse). Physically both devices connected to the same sw...
