Hi Everyone, We are working on a phase 3 DMVPN and we are going to use certs issued from our own CA via a cisco router for authentication. We’d like to be able to authenticate via the domain acme.local. So any host with acme.local that has a vali...
Forum Posts
Hello guys. I'll reading the Sam Halabi book: Internet Routing Architectures.I have a problem to understand a paragraph about the chapter on bgp conflict with internal default route. Based on this topologyHalabi speaks about Rip generated default:"I...
Resolved! IP SLA Timers/Flapping
Hello, Today I was expermenting with IPSLA in GNS3.During my intial experment my IP SLA kept flapping during failover. I fixed that with a source interface command. Then I noticed IP SLA was passing/failing/pass/fail/pass at 60 second intervals. I fi...
Hello We are migrating from a pair of Cat 6500s to a pair of Nexus 7700s. The 7700 switches are configured with a Layer-2 peer-link but there is no Layer-3 link between them (with the exception of the peer keep-alive connection). We are have some d...
I am working on Packet Tracer Toplogy where i have three routers on right where i configure static routig and i have three routers on left where ospf area 0 is configured. I redistribute static network into ospf with the command Router(config-router...
hi guys, i am trying to configure a vg350 gateway (which has 3 gig interfaces) with layer 3 eitherchannel. it doesnt seem to take the commands for port channel. does it support? :vg350-universalk9-mz.SPA.154-3.M3.bin Technology Package License...
Resolved! Multi cloud auto failover
Hi Everyone, I am trying to setup auto failover across 3 data centres primary, backup and dr respectively. I have clients connecting over a vpn. How to I ensure that the auto failover happens centrally as against having it done at the client location...
Hi there, I have 3 cisco 1841 routers and I am trying to setup 'ip nat inside' on a serial interface and I keep getting a memory error.Ive been stuck for two days, Ive tried it on one of the other routers and its fine, so I swapped the flash card ove...
We are building up a set of replacement Cisco ISR 4431's in the lab that are replacing some EOL equipment out in the field. We have the Cisco CAB-SS-449MT cables, which are the Cisco smart serial 10 foot 449 cables. In the previous routers, when this...
Hi Guys, We have try to deploy EoGRE (Ethernet over GRE) between cisco ASR 1001-X and AP1702, but failed. The AP can tunnel the user ethernet data to ASR, but, ASR drop the tunnel packet. Some debug logs I did not understand clear: 1. Configure tu...
Hi, The IOS XE images for different platforms all have "universal" in the names. But are they really universal as interchangeable between platforms? Here below is my scenario made me to ask question above: I have an environment built using mult...
Resolved! Vlan routing. Can't ping a router GW
Hi guys, it is probably something really stupid, but I need your help. I have sg300-28 (layer 3 - 192.168.5.254)Pfsense router(192.168.5.1) connected to port 25 on the switch.On the switch, I have DHCP and 2 VLANs(for simplicity): VLAN 1 - default VL...
Hello everyone, So I have this network. However I think I must have done something to the static routing because right now the packets doesnt take that shortest way possible but insted some random way, sometimes it doesnt ever reach its destination. ...
Can somebody please help me understand why the below LSA doesn't have the "Adv Router is not-reachable" message above it? The Advertising Router IP (172.26.100.2) is in a separate VRF and not in the same RIB as the OSPF process. router#show ip ...
