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05-04-2012
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09-07-2014
03:44 PM
Thanks but I'm aware how to connect a pair of 7Ks. My question is what is best practice to connect TWO pairs of 7Ks through Layer 3 (no layer 2). Lets say I have the following First pair N7K1-A and N7K1-B (they host a subnet 10.10.10.0/24) Second pair N7K2-A and N7K2-B (they host a subnet 20.20.20.0/24) Does it make sense then to create a layer 3 interface and cable up N7K1-A to N7K2-A and the same on the other side N7K2-B and N7K2-B (not a mesh setup). They route to each other using those Layer 3 interfaces as next hop. This could cause potential loops so I'm looking for best way to do this.
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09-07-2014
01:28 PM
What would be the best practice method of enabling routing (doesn't have to be dynamic but would be nice to have the option) between 2 pairs of Nexus 7Ks? I understand VPC peer links wouldnt work and separate links with routed interfaces should work but how would this be done? Any insight is appreciated.
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07-02-2013
12:16 PM
Thanks. I actually dont want the 6500 on VSS yet. They will remain apart in non-VSS mode. I was just making sure there aren't special considerations needed for MST on the 4500s when i hook up the etherchannels into the 6500s (my first time working with VSS).
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07-02-2013
12:04 PM
I'm actually using these VSS enabled 4500s to terminate my ASA firewalls' Inside interfaces to (they are configured for 9.0 clustering). As far as spanning tree goes would the configuration remain the same? IE 6509-A spanning-tree mode mst ! spanning-tree mst configuration name SiteA revision 10 instance 1 vlan 1-10 instance 2 vlan 11-20 ! spanning-tree mst 0-1 priority 8192 spanning-tree mst 2 priority 16384 6509-B spanning-tree mode mst ! spanning-tree mst configuration name SiteA revision 10 instance 1 vlan 1-10 instance 2 vlan 11-20 ! spanning-tree mst 0-1 priority 16384 spanning-tree mst 2 priority 8192 4500-X with VSS spanning-tree mode mst ! spanning-tree mst configuration name SiteA revision 10 instance 1 vlan 1-10 instance 2 vlan 11-20
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07-02-2013
11:02 AM
Hi all I have two 6509-Es configured as non-VSS and running MSTP so that one 6509 is root bridge for Instance 1 and the second 6509 is rooto bridge of Instance 2. I want to attach a pair of 4500-X switches configured for VSS to uplink into these 6509s but they will be access layer. Are there any catches or can they be configured like any normal access layer switch hooking up to my cores?
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06-20-2013
08:46 AM
I've gotten most of my NATs figured out but how do you convert this example into the new NAT format? CAn anyone assist? static (INSIDE,OUTSIDE) tcp 10.10.10.1 www 20.20.20.1 www netmask 255.255.255.255 static (INSIDE,OUTSIDE) tcp 10.10.10.2 11080 20.20.20.2 9090 netmask 255.255.255.255
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06-10-2013
08:13 PM
singlemode throughout and on my side i'm using the following XFP-10GLR-OC192SR provider is using Juniper router Juniper brand 10G-LR
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06-10-2013
03:07 PM
we just had a new circuit install at a remote data center and from what I can tell there is a big difference between what the provider is transmitting vs what I'm receiving Provider Edge Laser output power : -2.13 dBm Receiver signal average optical power : -7.52 dBm Customer Edge Transceiver Tx power = -3.5 dBm Transceiver Rx optical power = -7.3 dBm In comparison to another active circuit of mine what the provider is transmitting and I'm receiving is much closer in value. Is this anything to worry about? The circuits are up but wanted to make sure.
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06-05-2013
03:01 PM
Thanks. So if I took two interfaces from each appliance (lets say I have two appliances) that becomes a unique PO on the switch side so in essence I am creating two unique POs for the two appliances in the cluster? IE ASA1 Eth0 and Eth1 both for CCL > Gi1/0/1, Gi2/0/1 Po1 Switch stack ASA2 Eth0 and Eth1 both for CCL > Gi1/0/2, Gi2/0/2 Po2 same Switch stack As a separate question, the CCL and interfaces being used for Inside and Outside ideally need to be equal in speed/bandwidth so lets say I have a 5585X-S10 which support 2x 10GE slots and a bunch of 1x 1GE. I'm screwed as far as 10GE connectivity unless I take one of the two and turn that into my inside and outside together (creating subinterfaces) and then use the other 10GE interface for CCL?
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05-31-2013
03:29 PM
Thanks for answers. Does anyone have sample configs from their switch side on how the cluster control link is configured? I'm confused in the Cisco example where they take two interfaces from each firewall (i'm guessing this is for redundancy to plug one interface to each switch) and it becomes its own etherchannel, and on another appliance the same deal. Shouldn't all 4 of these interfaces be under one portchannel on the switch end? Or its simply one port channel per appliance but each is on the same vlan? Can anyone provide sample switch configs with this clustering setup? Thanks!
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05-31-2013
08:54 AM
I want to create a prefix-list where it matches this subnet 10.10.8.0/22 and also match any /23 and /.24 within that same subnet. Is the correct syntax ip prefix-list test permit 10.10.8.0/22 ge 23 le 24
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05-30-2013
02:54 PM
Can we use a 3750 stack as the switch layer vs needing Nexus or something that supports VSS?
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05-16-2013
10:45 AM
Could anyone point me to a configuration guide or help explain setting up VRF-lite on redundant 6509-E chassis to account for chassis failure? Let's say I have 2x 6509-Es configured with HSRP for 2 vlans, ServerA and ServerB. So 6509-A# ! interface Vlan10 description ServerA VLAN ip address 10.10.10.2 255.255.255.0 ip flow ingress standby 1 ip 10.10.10.1 standby 1 priority 105 standby 1 preempt standby 1 name HSRP_10 ! interface Vlan20 description ServerB VLAN ip address 20.20.20.2 255.255.255.0 ip flow ingress standby 2 ip 20.20.20.1 standby 2 priority 105 standby 2 preempt standby 2 name HSRP_20 6509-B# ! interface Vlan10 description ServerA VLAN ip address 10.10.10.3 255.255.255.0 ip flow ingress standby 1 ip 10.10.10.1 standby 1 priority 110 standby 1 preempt standby 1 name HSRP_10 ! interface Vlan20 description ServerB VLAN ip address 20.20.20.3 255.255.255.0 ip flow ingress standby 2 ip 20.20.20.1 standby 2 priority 110 standby 2 preempt standby 2 name HSRP_20 I now need to create an environment where the Server VLANs can be provided for two customers and they need to be wholly separate. On 6509-A, I make VRF CustomerA and VRF CustomerB and I assign Vlan10 to VRF CustomerA and Vlan20 to CustomerB. Do I create the SAME VRFs on 6509-B with the same logic?
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Labels:
09-07-2014
Thanks but I'm aware how to connect a pair of 7Ks. My question is what
is best practice to connect T...
09-07-2014
What would be the best practice method of enabling routing (doesn't have
to be dynamic but would be ...
07-02-2013
Thanks. I actually dont want the 6500 on VSS yet. They will remain apart
in non-VSS mode. I was just...
Created by
DannyHuston
in Switching
07-02-2013
07-02-2013
I'm actually using these VSS enabled 4500s to terminate my ASA
firewalls' Inside interfaces to (they...
07-02-2013
Hi allI have two 6509-Es configured as non-VSS and running MSTP so that
one 6509 is root bridge for ...
06-20-2013
I've gotten most of my NATs figured out but how do you convert this
example into the new NAT format?...
06-10-2013
singlemode throughout and on my side i'm using the following
XFP-10GLR-OC192SRprovider is using Juni...
06-10-2013
we just had a new circuit install at a remote data center and from what
I can tell there is a big di...
06-05-2013
Thanks. So if I took two interfaces from each appliance (lets say I have
two appliances) that become...
05-31-2013
Thanks for answers.Does anyone have sample configs from their switch
side on how the cluster control...
05-31-2013
I want to create a prefix-list where it matches this subnet 10.10.8.0/22
and also match any /23 and ...
05-30-2013
Can we use a 3750 stack as the switch layer vs needing Nexus or
something that supports VSS?
Public Statistics
| Date Registered | 05-04-2012 08:21 AM |
| Date Last Visited | 08-18-2017 04:03 AM |
| Total Messages Posted | 45 |
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