We have 4 vlans on the Cisco 4500 switch for workstations, phones, wifi, servers.The DHCP server is windows 2008 R2 server.Since the past 2 weeks its been acting up.Last week the PCs weren't getting IPs and then 3 days back it was the phones and tod...
We have Cisco 3750 stacked switches and are running 12.2(35)SE5.Our customer is getting "SNMP-3-INPUT_QFULL_ERR Packet dropped due to input queue full". This has impacted their trading floor operations thrice in weeks. We recommended that there is I...
Hi there. I just want to know what exactly is stub in 2960XR(IP lite / OSPF for routed access.) Looks like it doesn't support full OSPF. In this case, the stub means that 2960XR can be located in only OSPF stub area? if it is, what about if there is...
lr = loose routing included in SIP Route header.
Hello, We have several N7Ks and we recently purchased some Nexus 7000 F1-Series 32-Port 1 and 10 Gigabit Ethernet Modules. I'm planning on installing those modules along with the 10Gig SFPs. I have inserted all of the SPFs into the ports of the modul...
Dear Sirs!Our core switch is VSS 6500 (two 6509 in VSS).All inter-vlan routing, performed only in the core switch.We have few remote buildings, which we connect to the core, using two 10G optic links.In the remote building, we use two 3750-X in stack...
Hello there:Trying to get a simple VLAN access map example working (VACL, layer 2). Want to allow hosts 10.0.0.2 to SSH to 10.0.0.3 (both in vlan 10), but deny all other connectivity from 10.0.0.2 to 10.0.0.3.access-list test permit tcp host 10.0.0....
Hello all.Is it correct that routers don't have a base Ethernet MAC address (but switches have) and the only MACs that routers have are the BIAs in the interfaces?
Hello there. I'm just wondering why cisco do recommend mgmt0 for peer keepalive link for vPC?I heard that at the beginning of the N5K, they only do support mgmt0 for it. but now there's no requirement . But i can't find about N7K? What about N7K?N7K...
Hello, I have a switch stack consisting of two C2960S-48TS-L's and one C2960S-24PD-L. It has been givin a single IP address on the Management vlan.The issue is that in Cisco Emergency Responder, after adding the stacks ip address, only the two 29...
I'm looking at deploying a few 3650 switches at some regional sites, where there is a requirement for PoE+ to power access points, but only on a small number of ports.Table 7 at this URL:http://www.cisco.com/c/en/us/products/collateral/switches/catal...
I know that in a 4500 style switch it supports a maximum of 64 VRF-lite routing instances. However what is the maximum amount of VRF-Lite routing instances can a 6509-E switch support with a Sup-720 sup module?
Hello, There has been an access list in place where I work since well before I arrived and it doesn't quite work. I've done some research on ACLs and modified it so that it works better than it did before; however, it still doesn't do what was desi...
I have 6 6509E chassis switches that I want to trunk to a set of Nexus 5k switches. I want to use the 8 port 10G card for connectivity to them from each 6509, but I am not sure if the SUP-720-3B is the right SUP to use. I would like to run VSS on all...
My Avaya ip phones are not acquiring an IP address from my Microsoft DHCp server, this is my first time setting up or trying to setup a voice vlan, I do have Mitel IP phones in the mix but unfortunately they are on the same vlan as my data. Usually o...
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