Hello, I'm wondering what free tools others have used to build network maps or advice on what's the best kind of design. We have multiple sites along with our headquarters and two data centers. Thanks,
Forum Posts
Hello everyone, I'm experiencing some strange behavior when trying to join a multicast group using specific sources. Here is my setup: 172.16.32.73 -> SG550XG mcast group 232.0.0.3 If I join the group in exclude mode without specifying a source list,...
Hello!I've got an 1100 on which I want to forward a range of ports from outside to inside. Previously I used:ip nat pool XYZ-IN 192.168.1.1 192.168.1.1 netmask 255.255.255.0 type rotary ip nat inside destination list XYZ-IN pool XYZ-IN ip access-list...
Hello all,I'm trying to wrap my mind around what a SVI technically "is" and as such I'm stuck on the question of how routing via a SVI technically works, i.e. by what process does the SVI determine the actual physical port out which to send the data?...
Resolved! Very simple 1841 PPPoE config
I'm trying to get a PPPoE config working on an 1841. Running c1841-advsecurityk9-mz.124-3i.bin . I tried c1841-advsecurityk9-mz.151-4.M4.bin but it has even less protocol options. I used a walkthrough but it suggests the following fragment which doe...
We need to implement uRPF in our network. I was hoping someone from the Community could provide their insights from their experience. - Is there a significant impact on the CPU from turning on uRPF?- Due to the potential CPU impact should it be confi...
We're looking to deploy a setup using an IR1011 and IC3000 modem plus gateway combination. We would like to have the IC3000 unit run modbus/serial out of it and know this is possible on the IR1011 but unclear on the IC3000. Can the IC3000's "console"...
Hello I have a router connected on the network provider router. Behind my router, I have a firewall and a switch. My router (Ge0/0/0) is connected on the provider network with OSPF configured between both routers. The interface G0/0/1 of my router is...
Hello, I am trying to remove a class map off of a router, when I do it tells me the class map is being used. So I go to the policy map where it is applied and type no class class-name it accepts the command but i try to remove the class map again a...
I want to see statistics on my policy maps, so removed the service-policies from the interface as required, but see belowso far only one ISR4431 has it been applied correctly, 5 others come up with the message OS is 03.16.04b.S.155-3.S4bcannot do a r...
what does it do ?
Dear Community, we want to know if a BGP session between an FTD and an ISR can be established supporting additional-paths capability. We tried BGP session with additional-paths capability between two ISRs and it is working properly. Many thanks
the router is able to get a DHCP address but once expired it will not renew itself. in order to renew the DHCP lease, NAT has to be disabled, it will then pull an IP, and NAT re-enabled for internet connectivity. any help would be greatly appreciate...
Resolved! ISDN 30 E1 configuration
I've recently taken on the care of some ISDN routers that are within the organisation I work for. My knolwedge on ISDN theory and configuration is very limited. From my understanding these routers use an ISDN 30 circuit (E1 line), so they should be u...
Resolved! Longest match vs Metric vs Administrative distance ??? I thought Longest Match was most important
This is from my CCNA mock exams on Udemy, as far as i knew from credible sources, the 1st and most important thing was Longest match rule (specificity) THEN AD and then lastly metric... I keep getting contradicted with this. Any help is appreciated
