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- About Austin Sabio
03-08-2019
Stats
Member since
12-14-2015
253
Posts
205
Helpful
38
Solutions
Created by
Austin Sabio
in Switching
in Switching
12-27-2017
12:41 PM
12-27-2017
12:41 PM
This topology is known as double-side VPC.
Check layer_3 VPC supported topologies.
https://www.cisco.com/c/en/us/support/docs/ip/ip-routing/118997-technote-nexus-00.html
Comprehensive REF
https://www.cisco.com/c/dam/en/us/products/collateral/switches/nexus-7000-series-switches/C07-572830-00_Agg_Dsgn_Config_DG.pdf
I hope this helps and good luck!
-Austin
... View more
12-27-2017
12:23 PM
See this example for remote dhcp config.
http://cisconet.com/tcpip/dhcp/107-how-to-use-ip-helper-address-to-connect-remote-dhcp-server.html
REF
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipaddr_dhcp/configuration/12-4t/dhcp-12-4t-book/config-dhcp-relay-agent.html#GUID-19442FB5-6DA9-48F8-8FB0-AFBA0EB4CC40
I hope this helps and good luck!
-Austin
... View more
Created by
Austin Sabio
in Switching
in Switching
12-27-2017
08:30 AM
12-27-2017
08:30 AM
Examine the crashinfo and open cisco TAC case for official guidelines and resolutions since this is a production-impact. U se below REF to troubleshoot.
REF
https://www.cisco.com/c/en/us/support/docs/switches/catalyst-3850-series-switches/201070-Troubleshooting-3650-3850-reloads-by-sta.html
SUSPECTED_BUG
https://bst.cloudapps.cisco.com/bugsearch/bug/CSCuu88630
I hope this helps and good luck!
-Austin
... View more
12-27-2017
07:16 AM
Please see
'Understanding and Troubleshooting DHCP in Catalyst Switch or Enterprise Networks '
https://www.cisco.com/c/en/us/support/docs/ip/dynamic-address-allocation-resolution/27470-100.html
Remember not to make any changes in production and to consult your senior Engineer for advice.
-Austin
... View more
Created by
Austin Sabio
in Switching
in Switching
11-30-2017
08:21 AM
11-30-2017
08:21 AM
Make sure you enough space in flash or disk# also check to see if you are hitting CSCek26572.
I hope this helps and good luck!
-Austin
... View more
11-30-2017
08:08 AM
Great. Please don't forget to rate helpful answers to benefit others. Thank you.
-Austin
... View more
11-17-2017
06:12 AM
Excellent. If interested, see below pdf for spanning tree design guidelines and VPC.
https://www.cisco.com/c/dam/en/us/products/collateral/switches/nexus-7000-series-switches/C07-572834-00_STDG_NX-OS_vPC_DG.pdf
... View more
11-14-2017
09:13 AM
Please post on 6500
6500# show interface trunk 6500# show spanning-tree vlan 137 6500# show spanning-tree interface x detail (to N3K)
also, can you share your topology like how VPC is formed? specifically,
N3K# show vpc N3K# show vpc consistency-parameters interface port-channel 1 N3K# show vpc consistency-parameters interface port-channel 10 N3K# show vpc consistency-parameters interface port-channel 20
And more spanning tree info from N3K
N3K# show spanning-tree vlan 137 N3K# show spanning-tree internal event-history tree 137 brief N3K# show spanning-tree internal info tree 137 interface port-channel 1 N3K# show spanning-tree internal info tree 137 interface port-channel 10 N3K# show spanning-tree internal info tree 137 interface port-channel 20
-Austin
... View more
11-14-2017
06:23 AM
It's supported on 3850 as long as you have IOS XE 3.7E and later.
Example:
sap pmk key [mode-list mode1 [mode2 [mode3 [mode4]]]] Switch# configure terminal Switch(config)# interface tengiigabitethernet 1/1/2 Switch(config-if)# cts manual Switch(config-if-cts-manual)# sap pmk 1234abcdef mode-list gcm-encrypt null no-encap Switch(config-if-cts-manual)# no propagate sgt Switch(config-if-cts-manual)# exit Switch(config-if)# end
https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3850/software/release/37e/consolidated_guide/b_37e_consolidated_3850_cg/b_37e_consolidated_3850_cg_chapter_01110101.html
I hope this helps and good luck.
-Austin
... View more
11-03-2017
09:51 AM
Please see
https://learningnetwork.cisco.com/thread/117204
http://packetlife.net/blog/2011/jan/24/convergence-delays-svi-vs-routed-interface/
I hope this helps.
-Austin
... View more
Created by
Austin Sabio
in Switching
in Switching
11-03-2017
09:47 AM
11-03-2017
09:47 AM
Sorry, we are not familiar with this simulator. For a better assistance, pl ease post your question in related cisco learning section https://learningnetwork.cisco.com.
Good luck!
-Austin
... View more
11-03-2017
09:29 AM
1- try 'show cdp neighbors gigabitEthernet 1/1/2 detail'
it should provide you with cdp info about the destination device (2960x)
2- Using local span or rspan depends on the location of the source and destination monitored nodes. If both are on same switch then local span if not on the same switch then use with rspan.
Please see
https://supportforums.cisco.com/t5/network-infrastructure-documents/understanding-span-rspan-and-erspan/ta-p/3144951
I hope this helps and good luck!
-Austin
... View more
11-03-2017
09:24 AM
Cisco ME 3600X are not stackable according to the ME 3600X datasheet_ I don't even see stacking LED or module from the product overview.
https://www.cisco.com/c/en/us/products/collateral/switches/me-3600x-series-ethernet-access-switches/data_sheet_c78-601946.html
https://www.cisco.com/c/en/us/td/docs/switches/metro/me3600x_3800x/hardware/installation/guide/me3800x_hig/higoverview.html
I hope this helps and good luck!
- Austin
... View more
11-03-2017
09:11 AM
I would advise to post your case in
Cisco Support>Community Data Center> Storage Networking
However, you definitely need to use a monitoring system based on snmp values at least go with an opensource version for now such as LibreNMS and other tools.
Check this out for troubleshooting MDS storage switch
https://www.cisco.com/c/dam/en/us/products/collateral/storage-networking/mds-9700-series-multilayer-directors/whitepaper-c11-737315.pdf
I hope this helps and good luck!
-Austin
... View more
10-25-2017
09:20 AM
Go with 'no negotiate auto' command first. ''no system default interface 40g auto-negotiation'' is a global command so please be aware before using it.
... View more
Created by
Austin Sabio
in Switching
12-27-2017
12-27-2017
This topology is known as double-side VPC. Check layer_3 VPC supported
topologies.
https://www.cisco...
12-27-2017
See this example for remote dhcp config.
http://cisconet.com/tcpip/dhcp/107-how-to-use-ip-helper-add...
12-27-2017
Examine the crashinfo and open cisco TAC case for official guidelines
and resolutions since this is ...
12-27-2017
Please see 'Understanding and Troubleshooting DHCP in Catalyst Switch or
Enterprise Networks '
https...
Created by
Austin Sabio
in Switching
11-30-2017
11-30-2017
Make sure you enough space in flash or disk# also check to see if you
are hitting CSCek26572. I hope...
11-17-2017
Excellent. If interested, see below pdf for spanning tree design
guidelines and VPC.
https://www.cis...
11-14-2017
Please post on 6500 6500# show interface trunk 6500# show spanning-tree
vlan 1376500# show spanning-...
11-14-2017
It's supported on 3850 as long as you have IOS XE 3.7E and later.
Example: sap pmk key [mode-list mo...
11-03-2017
Please see https://learningnetwork.cisco.com/thread/117204
http://packetlife.net/blog/2011/jan/24/co...
Created by
Austin Sabio
in Switching
11-03-2017
11-03-2017
Sorry, we are not familiar with this simulator. For a better assistance,
please post your question i...
11-03-2017
1- try 'show cdp neighbors gigabitEthernet 1/1/2 detail' it should
provide you with cdp info about t...
11-03-2017
Cisco ME 3600X are not stackable according to the ME 3600X datasheet_ I
don't even see stacking LED ...
11-03-2017
I would advise to post your case in Cisco Support>Community Data Center>
Storage Networking However,...
Public Statistics
| Date Registered | 12-14-2015 10:51 AM |
| Date Last Visited | 03-08-2019 10:55 AM |
| Total Messages Posted | 253 |
| Total Helpful Votes Received | 205 |
Helpful Votes Given To
| User | Helpful Count |
|---|---|
| 25 | |
| 15 | |
| 5 | |
| 5 | |
| 5 |
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.jpg "Hall of Fame Cisco Employee"){kind=icon}
Helpful Votes From
| User | Helpful Count |
|---|---|
| 5 | |
| 5 | |
| 10 | |
| 5 | |
| 5 |
