All,Do we need to enable authentication for passive interfaces in OSPF? I don't see any reason to, as there won't be any peerings or even any LSA's going out the passive interfaces, just wanted to verify. I'm thinking more of a loopback interface for...
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Forum Posts
Hi folks,I have a question regarding using a 3750 for a DHCP server. I have read thru the switching community forum and see many posts concerning a DHCP server an how to configure and the use of multiple vlans, etc... I was wondering if anybody out t...
Resolved! NX7000 - MTU Size
Hello, I configured 4 port channels with mtu size 9000. The VM engineers requested me to configre the same mtu size on the vlans assiged to those 4 port channels. I wasn't sure if I needed to configure the MTUs on the VLANs since I already configured...
Hi Guys, Logs seen on switch:FLAP_NOTIF: Host 707b.e8b9.5a36 in vlan 250 is flapping between port Gi0/26 and port Gi0/25Jan 7 17:26:37: %SW_MATM-4-MACFLAP_NOTIF: Host 707b.e8b9.5a36 in vlan 250 is flapping between port Gi0/26 and port Gi0/25Jan 7 1...
Hi all.I have a project to complete and need some help on the possible solution I can use.Basically we have ospf area 0 and the users in question are in ospf area 7 and is a stub.I need to route the traffic from these users out through area 0 through...
Does anyone know of a company that is offering online rack rental for Nexus 7k, 5k or 2k? We'd like to try out some changes without affecting our production data center without having to buy another whole set of Nexus switches just for a test lab.
Resolved! Nexus online rack
Hello all,Does anybody know a place where I can rent Nexus 7000 equipment online? I wish to test some configuration changes but do not have a lab environment available. Renting a lab environment is much cheaper than building my own.I've looked at INE...
Resolved! C6500 Sup720 - Software CoPP
Hi,On C6500 Sup720, multicalst and broadcast traffic can't be handled by hardware CoPP, only software CoPP. Is it a real use to make CoPP filtering in this case, as software CoPP implies RP analysis?Beside that, I noticed that even making CoPP filter...
Hi,This question probably results from a flaw in my understanding of network layer 2 versus layer 3 and VLANs so any additional context in that regard would be very welcome If I've got 2 systems on difference VLANs that are connected to ports on the ...
Hello Guys I have simple doubt. Please try to guide me. Its with respect to Network Device A? 1. With a network wide mask of 255.255.255.128, each interface does not require an IP address. 2. With a network wide mask of 255.255.255.0, it must be a La...
Hello all,I have a Catalyst 6509-E with SUP2T and a WS-68xx series SFP line card. On this line card I will have 5 trunk connections going to ME3400 4 port access switches. There is one tagged VLAN allowed on all trunk ports and it is the same across ...
I have installed a (3) switch stack of Catalyst 3850 switches. I installed a 10G module in the 1st switch (the master) configured it and plugged it into the network and all works fine. Now I would like to add a second 10 Gigabit Ethernet connection t...
Hi Expert,I am using a CISCO WS-C6503-E box. My CISCO box is currently up with build Version 12.2(33)SXI3. My task is to test the IP unnumbered feature with CISCO box. I have read somewhere that CISCO WS-C6503-E supports IP unnumbered on vlan routing...
Hello everybody,I have a problem with my wireless controller.Somehow it will not add more AP's then 48, i have a license for 100 AP's.Is there a setting then can have been changed.Now the other access points (15) are associating with the wrong WLC.ev...
I have a sm-es2-24 in a 2911. I am getting the following in syslog:%LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/25, changed state to up%LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/25, changed state to down%LIN...
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