Basically, A Native VLAN carries untagged traffic on a trunk line.A trunk line allows mutiple VLAN traffic ( tagged traffic). So Why Native VLAN exists on a trunk.Why Native VLAN was created?I'm pretty confused up with VLANs.
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Forum Posts
Resolved! Single-Rate and Dual-Rate configuration
Hi Regarding Qos, anyone can tell if Single-Rate and Dual-Rate policy can be configured at almost all cisco routers or switch? or send me a link. Thank you
dear alli have had a problem with a cisco 3850 switch, actually after the power down the switch lost IOS automatically and i have tried many methods and many ways ( using an usb stick, tftp) in order to recover its IOS but failed all the time below i...
After SPAN multi destination setting.I check it, one of two ports doesn`t mirror. why not? -------configuration--------monitor session 4 description Hyboost v1000 mirr source interface Ethernet1/1 both destination interface Ethernet1/13 destinati...
I want to know if the following items were removed from the cisco one bundle for the WS-C2960XR-48FPD-I switch:C1-LC-25-1YC1-EGW-50-K9C1F1VCAT29004-01 Thanks!!!
Resolved! Nexus 7K BGP under a VRF
HiI have nexus 7010 with 6.2(14) version. It is configured with BGP and VRFs like below !router bgp 1vrf VRF_Aneighbor 2.2.2.1 remote-as 2neighbor 2.2.2.2 remote-as 2neighbor 2.2.2.3 remote-as 2!vrf VRF_Bneighbor 3.3.3.1 remote-as 3neighbor 3.3.3.2 ...
Resolved! OSPF VRF-lite process limitation
Hello All, I would like to ask if there is any VRF limitation when talking about OSPF VRF-lite processes on the Cisco ISR 3945. Let`s say I would need to have 50-60 OSPF processes, separate ones for each VRF where in each VRF would be present aroun...
replacing 3750's wih 3850s. Previously had 4 ports in a port channel that formed a trunked uplink. I also had a port that lead to a VM server which we treated as a trunked port so it could carry various vlans. In duplicating that set up on the 3...
I've got a 3750X that I would like to rate limit backup traffic destined for a remote site. I've defined my source IP addresses using an ACL and class-map. The issue is that version 15.X doesn't seem to support the "shape average" commands. I've been...
Hi, We have an issue with 2 BlueCoat ProxySQ configured for high availability. Both ProxySG send multicast packets to each other. In our configuration we use 224.20.30.40 and 224.20.30.41. This worked previously on Cisco Catalyst switches, but when ...
hi to all, i am trying to configure my new router to connect to cable modem on FA3 the connectation need to be as DHCP client. as i understand it right i have to work with vlans so my inside network is vlan 10 interface FA1 192.168.1.0/24 dhcp is ena...
Hi, on one of my OSPFv3 routers,when I used prefix-suppresion, I have noticed all loopback interfaces were afeected with this command and their subnet were not advertised to OSPF neighbors: R4#show ospfv3 ipv4 interface loop0Loopback0 is up, line pro...
Resolved! Routing Table Question!
This is how I understood from ICND1.AD is only used to distinguish between two routes with the same length. Longest prefix always win.1) Longest match - Longest Prefix Matching Rule 2) AD Please let me know if I am wrong :)
I work at a college and we set up port security on all our switches on our network. We have all 3000 series switchs (mostly 3750 and 3560) connected by fiber to each building from our core (also 3750G). We run port security mainly to keep endusers fr...
Hi everyone,I have a Cisco 2921 with an Etherswitch module SM-X-ES3-16-P and I´m trying to configure to access the switch and make it operative. The module is seen on port Gi1/1:Device ID Local Intrfce Holdtme Capability Platform Port...
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