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Resolved! trust dscp on 2950

Hi,i have Catalyst2950SI with iOS12.1, connect a wifi-access-point  to f1/1(dot1q trunk port),and connect another L2SW to f1/2(dot1q trunk port),and IP phone, MobileCamera connects to wifi-access-point,IP phone has dscp=40 value on its own packet,but...

Naoki7964 by • Level 1
  • 1296 Views
  • 10 replies
  • 0 Helpful votes

question about dynamic arp inspection

hi ,i want to ask about dynamic arp inspection ,if i configured a port with a trust for dynamic arp inspection .and that port has a router with static ip , i mean no dhcp .do i need to bind the mac & ip of the router interface in the database ??just ...

Dr.X by • Level 2
  • 358 Views
  • 1 replies
  • 0 Helpful votes

Spanning tree and 3Com

Hi all,Maybe this is not the correct forum to help me about 3com but I need help because I have problems too when I connect 3com and Cisco.I have 2 5500g 3com switches conected with 2 links. If LACP is disable, this causes serious problems and STP no...

Resolved! Need help for DR...BIG brain fart here!

I hate asking this question because I can do it across the entire LAN but not on a single switch:I have a 3750 24T switch with the IP Services image.I have 4 subnets I need to setup so all can talk to the other but it just ain't happening.vlan 400  1...

Resolved! Auto Negotiation

Guys,Please can you once and for all clear up a very simple issue.Not convinced about the answers that I am getting; can you guys please provide evidence of your answer....Question; If I connect two switches/switch to a device of any sort (with a nic...

a load balance problem

The * probably means that it is the best route. But the traffic monitor shows that it uses both of the routes. If that is possible? If so, what is the root reason or whether there is a command that leads to the result? I am thinking this is related t...

Resolved! Two management interfaces for N5k

Hi,I have a Nexus 5548UP that would be managed by two organizations. Is it possible to set IP addresses for mgmt0 and an SVI (or an L3 interface) without using the L3 daughter card? I don't want to route between VLANs, just to separate management tra...

ME3600X igmp snooping problem

Hello,I'm having problems with ME3600X running IOS 15.2(2)S2 (mandatory to support feature of multicast in VRF).I have to disable IGMP snooping in order to get multicast working when a flow is going from a local vlan is routed toward two PIM vlans.If...

cdemont by • Level 1
  • 991 Views
  • 0 replies
  • 0 Helpful votes

ME3800 DHCP relay packets problem with.

Hi everyone,I faced with issue on ME3800.interface Vlan77description ### Staging LRS ###ip dhcp relay information trustedip address 10.186.71.1 255.255.255.0 secondaryip address 10.127.254.1 255.255.255.0ip helper-address 82.199.96.130no ip redirects...

kzryumov1 by • Level 1
  • 1614 Views
  • 2 replies
  • 0 Helpful votes

Cisco Catalyst 3750E-TD-E

Dear Sirs!My friend own the switch Cisco Catalyst 3750E-TD-Esweet#show versionCisco IOS Software, C3750E Software (C3750E-UNIVERSALK9NPE-M), Version15.0(1)SE3, RELEASE SOFTWARE (fc1)Technical Support: http://www.cisco.com/techsupportCopyright (c) 19...

Choosing RIP over EIGRP redisribution

Hello AllI have a network where by i have redistributed EIGRP and RIP. My only concern is how do i choose the packet to traverse over the RIP network instead of the EIGRP network.I have tried increasing the EIGRP AD to 200 but the preferable path cho...

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