I have an issue happening in my network that at first we thought was a wireless problem because we were receiving a lot of mac flapping due to roaming clients which we thought affected the network but upon further investigation it is happening to bot...
Forum Posts
Hi there.. I have a VDSL2 link with PPPoE handled by a CISCO 3625.I was wondering if there was a way to query the compression options that the remote device would accept (remote is turkish telecom (ttnet)). The idea was to simply speed up my interne...
Hello.I have a Cisco 881 router, and we set up an IPSEC tunnel to another company equipment. The IPSEC tunnel is showing up and active, but I cannot ping across the tunnel. I believe the issue is with the routing, but truthfully I am not sure. Any as...
Hi,I am having below scenario.1. I have one internal server a.a.a.a which having NATed IP b.b.b.b2. The internal server is connecting to outside server c.c.c.c over ipsec VPN.3. The outside server c.c.c.c will also initiate traffic to inside servers ...
Hi I have deployed a cisco 9000v switch, By default while deploying the ova I got option of 6 network adapters, one connected to management pg, others I have connected to a port group that I created in dvs.When I logged in to the switch and I check t...
The module is RSP440-TR and the current version is 4.3.4The client is currently using Telnet and Password md5 formats.You need to upgrade to use SSHv2 and algorithm (sha-256/512).Equipment Sw and Hw can not be guaranteed when upgrading from Cisco to ...
Hi everyoneI have this Router connected to an ISP which give a dynamic IPI have done the DDNS config on my router to update when it changes, the problem is that is not happening by itself, I mean I have to either turn off and on the interface or fisi...
Resolved! iBGP neighborship using Loopback
Hello, I want to know how iBGP manipulates OSPF routes to R2 loopback to go via R4 when the link between R1 and R2 goes down.Here I am establishing iBGP neighborship using loopbacks. I have shut down the fa0/0 interface of R1.
I'm trying UDP x.x.x.x x in a lab environment and the router is trying to open a connection to the other end. Is there a way to send a UDP packet to a specified address and port? What i would actually like to do is send a message to a port on my lo...
Hi I am trying to enable routing on cisco 9000v for intervlan routing betwen two vlans.I am trying to enable routing as explained in different articles using ip routing command however this command doesn't work as there are other options that need to...
Hello Community Members,I need little help on Load balance the Internet traffic.I have the simple topology where L3 routers is at distribution Layer and ASR 1002 routers are core layers. I have two ISP's on two diff core routers and have an eBGP and...
Resolved! GRE
Hello guysGRE by itself is clear text not much secure tunnel to carry multicast, for better security we combine IPSEC with GRE.If I only use IPsec without GRE tunnel, can I still carry multicast or in other word, can i connect to remote site through ...
Hello,I have 3 routers connected directly like so 3--2--1. Using OSPF, all routers see each other's networks, and can ping the interfaces, but the hosts connected to each router cannot ping across the routers. R1#sh runBuilding configuration...Curren...
before I post this I have checked the community for similar request, but I couldn't find something working for my situation. I have 2 sites one of them has 1 router facing 2 ISP, I need to make them active/active for 2 LAN networks splitting them usi...
I was trying to configure CEF on gns3. The above are tow screenshots of the lab.From the debug output above we can see the ICMP packet is routed via FIB.The FIB and adjacency tables are used by CEF to forward packets in hardware.But the command sh i...
