Hi As we know RSTP has portfast, uplinkfast and bonefast features. So we do not need to configure them once we use RSTP. I am not sure if we still need to configure Loopguard, UDLD, BPDU gard in RSTP environament. Anyone can give me some suggestion ?...
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hi, i went for an Interview,they asked this question,what is the difference between a firewall and router?I answered,Firewall is a security device and router is used for routing packets faster than firewall,they replied,even a firewall can do routing...
hello appreciate any help from the cisco gurus out there, i am trying to setup two ports on a stack of 3750 switches via link aggregation using LACP. The config currently in place is: interface Port-channel6 description backupmedia switchport trunk e...
Hello Folks, I am sure, each of us who are working full time and have family/kids, find in this situation which i am currently facing and i am sure you must have some advise for me Preparing to CCIE exam is a journey and infact a long one and it requ...
Resolved! single link between 2 Nexus 7ks
Is it possible to subdivide a GE link into 2 subinterfaces and assign each subinterface to a different VDC on a Nexus 7000 series? Thanks Frank
We have a Cisco 3945 router which includes two etherchannel 24 port 3560 modules. We have two uplinks, one directly to the router with stub network and another one without stub network on one of the 3560 modules. We have interface vlans on our 3945...
Resolved! access and deny different v lan
Hi I have a cisco 4507 . different vlans are there for diff dept/nw as 101 for a, 102 for b 103 for c, 104 s, 105 for t the ip add of 105 is 172.16.0.1 255.255.0.0 the ip add for 104 is 10.1.0.1 255.255.255.240 my requirments are, 1.i dont want to ...
Resolved! OSPF Static Route Redistribution Tweak
I have a router running OSPF and have it set to redistribute connected and static routes. I would like to add a static route to a router but not have this particular route redistribute, while all others still do. How can i accomplish this on my 7609?...
i have 2 core switchs L3 catalyst 3650 named core 1 and core 2 the problem is i have internet on the switch it self i can ping 8.8.8.8 from the switch and i can also ping 8.8.8.8 source vlan x i have double nat 1st on the dsl modem and second on the ...
Hi All, Hopefully an easy one: I have a 4 port, 40Gbps port-channel between two of my data centers for 6509 VSS, connected with fiber. One of them is dirty --> incrementing about 100 CRC errors every 3 seconds. Obviously this is causing problems, s...
Hi All, Looking to purchase two Cisco WS-C3850-48T-S with C3850-NM-4-10G modules. All four modules per switch will be populated with SFP-10G-SR= 10G SFP modules. Before proceeding with the purchase, im keen to obtain clarity on the following; Two of ...
Dear all I need to create a connection link between an interface on FWSM (main and standby )on 2 core switches 6500 configured with VSS and 2 switchs 9500 configured with VPC configured between them , what is the best implementation ? i have 4 ...
Hi All, I am new to TCL scripting and seeking your help for below requirement I have to change vlans in training rooms twice in a day (Morning & in evening at particular time frame) and this is hitting me badly as sometime I get late and gettin...
Hi, I am configuring Port base authentication on Cisco catalyst 2960X switch. But i am getting following error while i connect laptop on this port and getting no ip address. Dot1X status is fialed over. Nov 22 08:09:54.270: %AUTHMGR-5-START: Starti...
Vlan 2 is releasing the vlan 3 IP address. Configuration.... interface Vlan2 description MAM ip address 172.20.2.2 255.255.255.0 ip helper-address 172.20.99.10 standby 2 ip 172.20.2.1 standby 2 preempt ! interface Vlan3 description CC ip address 172...
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