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Member since
10-08-2011
30
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9
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Created by
Evgeniy Lipinskiy
in Switching
in Switching
09-19-2016
09:21 PM
09-19-2016
09:21 PM
Hi, guys!
Hi, guys! I have a question about XOR function calculation on catalyst switches. Here is possible load-balancing algorithms on my switch:
SW6(config)#port-channel load-balance ? dst-ip Dst IP Addr dst-mac Dst Mac Addr src-dst-ip Src XOR Dst IP Addr src-dst-mac Src XOR Dst Mac Addr src-ip Src IP Addr src-mac Src Mac Addr
I know how XOR value is calculated in src-dst-ip for example. We just make XOR operation using last bits of source and destination IP (number of bits to compare should be equal to number of ports in ethechannel).
1) But how we can do XOR if we use only src-ip balancing? Will we just use all zeros as second number?
2) How switch determine, which interface to use as outbound, when we use mac based balancing?
Thanks for help!
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10-27-2015
03:33 AM
this is about how dhcp process works? I mean which show commands can provide me infromation about DNS and DHCP server, if router acts like dhcp client.
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10-27-2015
02:50 AM
Hi! Can anyone advice me, how can i receive information about DHCP and DNS server ip addresses, if i configure my routed interface via DHCP? Thanks!
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12-24-2012
09:25 PM
Hello! Please explain to the multicast issue: What is the advantage of using the Rendezvous Point in PIM-SM Why we can not build a Shortest Path Tree from the multicast source?
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Labels:
10-30-2012
09:15 PM
Please explain the output of show spanning-tree summary: SW1-R3#show spanning-tree VLAN0001 Spanning tree enabled protocol ieee Root ID Priority 24577 Address 108c.cfb6.ab00 Cost 19 Port 15 (FastEthernet0/13) Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32769 (priority 32768 sys-id-ext 1) Address 108c.cfb6.9a00 Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Aging Time 300 sec Interface Role Sts Cost Prio.Nbr Type ------------------- ---- --- --------- -------- -------------------------------- Fa0/1 Desg FWD 19 128.3 P2p Fa0/5 Desg FWD 19 128.7 P2p Fa0/13 Root FWD 19 128.15 P2p Fa0/14 Altn BLK 19 128.16 P2p Fa0/15 Altn BLK 19 128.17 P2p Fa0/13-15 connected to the switch SW-R2 I can not understand Fa0/14-15 Port role is Alt, because the role of Alternative port was introduced in RSRP. In our case, STP in PVST Mode. Can you explain this please?
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07-18-2012
09:56 PM
Your interface recieve, but not send frames: 5 minute output rate 0 bits/sec, 0 packets/sec may be try to update IOS? Pls, show output "show version"?
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07-18-2012
09:23 PM
On you router native vlan is 1, by default. I think, on your switch it is untagged port,but i'm not familiar with dell switches
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07-18-2012
09:12 PM
This command must be entered on the switch, but you switch is-non Cisco. Pls, double check that host and router in a same subnet and same vlan. Subinterfaces needed in a case when used non-native vlan. Also, we can try to put the one host on the switch to the test vlan 33, create a subinterface on router in vlan 33, test the connection.
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07-18-2012
08:45 PM
Please show the output "Show vlan br" and tell me what ports connected to the host that you are testing and a router. If they are in a different vlans, we should be configure subinterfaces
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07-18-2012
08:12 PM
To which to belongs the VLAN subnet 10.1.52.4 / 24? If not for the native vlan (is it vlan 1?), then you need to configure subinterfaces on the router
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Created by
Evgeniy Lipinskiy
in Cisco Digital Network Architecture (DNA)
01-28-2018
01-28-2018
You wrote 1)The overlay is the main idea behind the fabric, once you
have built the fabric, having t...
Created by
Evgeniy Lipinskiy
in Cisco Digital Network Architecture (DNA)
01-23-2018
01-23-2018
Hello, all! I have read a lot of documentation about DNA but still have
some questions. 1) What is t...
Created by
Evgeniy Lipinskiy
in Switching
09-19-2016
09-19-2016
Hi, guys! Hi, guys!I have a question about XOR function calculation on
catalyst switches.Here is pos...
10-27-2015
this is about how dhcp process works?I mean which show commands can
provide me infromation about DNS...
10-27-2015
Hi!Can anyone advice me, how can i receive information about DHCP and
DNS server ip addresses, if i ...
Created by
Evgeniy Lipinskiy
in TelePresence and Video Infrastructure
02-17-2013
02-17-2013
Hi, Patrick.Thanks for the reply.The problem was in the network
configuration. EX90 now registered p...
Created by
Evgeniy Lipinskiy
in TelePresence and Video Infrastructure
02-15-2013
02-15-2013
Hello!I have installed CUCM 9.0 on VmWare, with demo licenses.After
installation, I launched the con...
12-24-2012
Hello!Please explain to the multicast issue:What is the advantage of
using the Rendezvous Point in P...
10-30-2012
Please explain the output of show spanning-tree summary:SW1-R3#show
spanning-tree VLAN0001 Spanning ...
Public Statistics
| Date Registered | 10-08-2011 10:44 PM |
| Date Last Visited | 06-16-2019 09:38 PM |
| Total Messages Posted | 30 |
| Total Helpful Votes Received | 9 |
