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Results tagged with cisco-nx-os
Search options questions only
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user 40261
For questions about or involving the Cisco NX operatingsystem. For instance, you are configuring a Nexus switch or troubleshooting a problem with a MDS 9000 multilayer switch. All network devices, that use the NX OS.
0
votes
1
answer
336
views
nexus access lists performance
I have a N3K-C3064PQ-10GX and i have 2x 10g LACP uplink from my upstream and i have 2x 10G LACP downlink to my access switch, and i have 2x acl , one of them has been applied on UPLINK input and one o …
- 723
0
votes
0
answers
896
views
Nexus 3K VPC and active active solution
I have 2x N3K-C3064PQ-10GX.
Each n3k has 2x 10G LACP to the same upstream router and 2x 10G LACP downlink to my access switch.
I have run VPC between my n3k and I have 50 vlan with same config on both …
- 723
0
votes
0
answers
242
views
disable specific log in n3k
i have a N3K-C3064PQ-10GX and i receive the following log :
2020 Oct 13 04:36:10 GMT: %ARP-2-DUP_SRC_IP: arp [3565] Source address of packet received from 24e9.b39e.03bc on Vlan32(port-channel20) is d …
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0
votes
0
answers
159
views
nexus n3k ntp access list
i have a n3k-3064 with the following access list :
10 permit IP 1.2.3.4/32 any
20 deny IP any any
and i have assigned this acl to ntp with the following commands :
show ntp access-groups
------------ …
- 723
1
vote
0
answers
478
views
nexus set ip default next hop not workign [closed]
i have a N3K-3064pq-10gx and i have a pbr for some of my VLANs with set IP default next-hop 1.2.3.4 and have a static route for default route in my switch but the problem here is my traffic routes hav …
- 723
1
vote
2
answers
82
views
N5K-5548UP-AF CoPP issue
i have a n5k-5548up-af and as i read in https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/security/521_n1_1/b_5k_Security_Config_521N11/b_5k_Security_Config_521N11_chapter_01101.h …
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0
votes
1
answer
329
views
Nexus vPC quick guide
i have 2x 3064PQ and connect both QSFP together and create vpc over this QSP connection (i have a lacp from n3k-1 qsfp 1&2 to n3k-2 qsfp1-2)
and here is vpc config for n3k-1 :
vpc domain 1
peer-switch …
- 723
1
vote
0
answers
32
views
N5K-5672UP Packet Flow diagram
I have one N5K-5672UP and a few SVIs with IPv4/IPv6 public IPs, I want to have an ACL and apply that ACL to my UPLINKs and deny internet traffic towards SVIs, my question is when i do this then ACL is …
- 723
1
vote
1
answer
51
views
n5k-5672up netflow performance
I want to enable Netflow on N5K-5672UP and send it to my Netflow analyzer to detect the DDoS attacks but before that, i want to know if that switch has a built-in in chipset or ASIC for Netflow or not …
- 723
0
votes
0
answers
75
views
nxos private vlan problem
my carrier assigned a 10Gbps/SFP+ port to me and it's connected to my Nexus 5672UP and here is my config port and VLANs config :
interface Ethernet1/4
description MYCARRIER
no cdp enable
switchp …
- 723
0
votes
0
answers
69
views
Securing C3064 Nexus Control Plane
i have a N3k_C3064PQ-10GX and i want to secure control plane, i want to permit only trusted ip address and deny all other ips, because i am using dynamic ips it s hard to tune the access lists,
so is …
- 723
0
votes
0
answers
468
views
bgp hold timer error
i have a cisco nexus 3064pq-10gx and i have a bgp session with my upstream and there is not a full table and i will see the following error 2-3 times a day in my switch log :
%BGP-5-ADJCHANGE: bgp- [ …
- 723
0
votes
0
answers
15
views
Cisco 93180LC nxos 10.2 license question [duplicate]
We have a pair of cisco n9k-c93180lc-ex with nxos 9.3.13 and we want to upgrade them to nxos 10.2. it seems cisco changed the licensing model in nxos 10.2 to smart and we should connect to internet, i …
- 723
-1
votes
1
answer
55
views
cisco nexus 93180lc-ex urpf for ipv6 not working
when i want to enable urpf for ipv6 in my cisco nexus 93180lc-ex by executing ipv6 verify unicast source reachable-via any rx it will show the following error
IPv6 Unicast Reverse Path Forwarding not …
- 723
1
vote
1
answer
381
views
Nexus N3K-C3064 SNMP ACL is not working
I have a N3K-C3064PQ-10GX and here is my snmp configuration:
Community Group / Access context acl_filter
_________ ______________ _______ __________
X network-operator …
- 723