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- About asdvads vwe
09-14-2018
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05-25-2017
03:51 PM
It depends also when the routers came to live. If all of them came to live the same time, then the election of DR and BDR would happen as normal:
- Who's got the highest Priority (If all priority the same, default 1, try next)
- Who's got the highest router ID
- Who's got the highest Loopback IP Address
- Who's got the highest IP Address on any Interface that is UP.
If for example the routers came to live at different times, then that would depend.
For example, we got 4 Routers connected to a Switch, R1, R2, R3 and R4.
R1= Priority 100, loopback 1.1.1.1
R2 = Priority 1, loopback 2.2.2.2
R3 = Priority 1, loopback 3.3.3.3
R4 = Priority 1, loopback 4.4.4.4
Let's assume that R2 came online first and it started to send Hello's claiming that he is the DR, as there was no response, because the other routers were offline, R2 declared himself to be the DR.
And it doesn't matter when the rest of the routers come online and if they have highest Priority or highest IP Loopback interface, the R2 will remain DR and then who came online first after R2, will become BDR.
Best wishes,
Stefan
... View more
05-21-2017
09:04 AM
You should be more specific of what you're trying to achieve. If you got a route from External EIGRP with an AD of 170 and the same route from OSPF with the AD of 110, then you would want to influence that specific route that the OSPF router is sending you, so then your router would prefer the normal route through EIGRP with the AD of 170, instead going crazy through OSPF.
Here's how you do that, go on the router that have to take the EIGRP route instead of the same route learned through OSPF with a better AD, so, go on and configure the following:
conf t
router ospf 1
distance 171 1.1.1.1 0.0.0.0 1
exit
!
access-list 1 permit 192.168.1.0 0.0.0.255
end
!
So, just to expalin what this configuration means, you are going to your OSPF process on that router and say to him, when you get the route of 192.168.1.0/24 from my neighbour with which i run OSPF, assign to his advertised route of 192.168.1.0/24 a Administrative Distance of 171, which is greater than 170 and lower than the initial one of 110. And below that is the access list, which is matching the specific network you want to assign that AD of 171.
Now you'll have a AD of 170 for the main path through EIGRP and a redundant path with the AD of 171 through OSPF.
... View more
05-21-2017
08:55 AM
For a Optimal Path Selection, which means going to the network of 150.x.x.x through R3, through our EIGRP domain, and also for a Redundant Path which is through R10, through the OSPF domain, we can prefer the main path through R3 via EIGRP domain and also use the redundant path to the 150.x.x.x network through R10, through OSPF domain. Simply, we go on R1 and we change the Administrative Distance of that specific route of 150.x.x.x advertised us by R10:
R1:
conf t
router ospf 1
distance 171 10.1.1.3 0.0.0.0 1
exit
!
access-list 1 permit 150.1.1.0 0.0.0.255
end
!
And that's it, we don't need to definitely block our path to 150.x.x.x network through R10, instead we use it as a redundant path because now it has a higher AD than the External EIGRP AD of 170.
The reason why the path to 150.x.x.x was initially preferred through R10 is because R10 was advertising us the same route of 150.x.x.x that we got from R3 but with a better AD, an AD of 110 vs the one we had with AD of 170.
... View more
05-11-2017
08:37 AM
You're confusing Steph1963 more... In BGP filtering the Extended Access List it is a bit different than the normal one.
And specifically the difference is here: We are now matching the network address and the subnet mask. I know it sounds confusing, be bear with me, you'll get it.
Let say we have a interface on our Router with the IP address of 10.10.10.10/32, yes it'a Loopback Interface. We are currently sitting on R1 (1.1.1.1) and we got eBGP with R2 (2.2.2.2) which is in another AS. We want to filter all the routes and advertise to R2 only 10.10.10.10/32 address.
This is how our configuration should look like:
conf t
access-list 101 permit ip 10.10.10.10 0.0.0.0 255.255.255.255 0.0.0.0
OR
access-list 101 permit ip host 10.10.10.10 host 255.255.255.255
!
router bgp 1
neighbor 2.2.2.2 distribute-list 101 out
end
!
And that's it, we are now advertising to R2 (2.2.2.2) the exact 10.10.10.10/32 address and nothing else.
Just remember that we have to define the Network Address (Ex: 10.0.0.0/8) and the Subnet Mask Address (Ex: 255.0.0.0) and that would be: access-list 100 permit ip 10.0.0.0 0.255.255.255 host 255.255.255.0 We are now advertising any network that starts with "10." and has a Subnet Mask of /24.
Kind regards,
Stefan
... View more
05-10-2017
05:01 PM
A static route on both ends would be a best thing to use to make the base IP connectivity to the neighbours. Then TCP can make its way without problems.
... View more
04-10-2017
02:37 PM
Don't pay attention, some people can't explain properly for all type of peoples.
VRRP is slighlty different than HSRP, first of all because it can use many Backups Routers (Standby in HSRP) and the second is that VRRP has the preemption enabled by default. When the Master fails, the Backup Router can take over the role if it has that preemption enabled, if it doesn't, it will not take the role of Master from the failed Master, so we need Preemption enabled in order to make that work.
HSRP is much more simpler with Preemption I would say, you just gotta specify on the Active Router the priority and enable preemption with the "hsrp 1 preempt" command and that's it, you said to the Router to take back his role if it fails and then comes back up. But for the Standby Router we don't need to worry about preemption, because it will take over the Active role of the failed Active Router.
Best regards,
Stefan Timuta
... View more
04-07-2017
01:52 PM
You certainly need this: "ip source binding aaaa.bbbb.cccc vlan 1 192.168.1.100 int f0/10"
So if you don't use DHCP and bla bla bla, bind your host IP and MAC address to DHCP Snooping database manually, so it will know to allow the specific address to ask for a ARP or any other stuff.
Kind regards,
Stefan
... View more
03-30-2017
01:01 PM
Yes, that what I was thinking also.. but it seems that Native VLAN does not have much sense. I would say as Giuseppe said "A Native VLAN is used to connect to a fool device" but I will have to add that even without Native VLAN the Internet and Networks can exist, not in vain Cisco ISL does not support Native VLAN, because it does not really need it. So why then we don't use ISL ? Because ISL frame size exceeds the normal mtu of 1500 bytes. But going back to the Native VLAN, I think that the main purpose of the Native VLAN is that it allows the following protocols: DTP, CDP, VTP, STP to sent the frames on it.
With best regards,
Stefan
... View more
Created by
asdvads vwe
in Networking Documents
in Networking Documents
03-29-2017
02:52 AM
03-29-2017
02:52 AM
Hi,
for any of you that faced this problem, especially with the Switches: 3560, 3750 and so on, I would advice them to do the following before contacting Cisco, unless of course you got technical support and the product is in its life time still and you got plenty of time. Otherwise if you want your Switch up and running in the next few hours, just follow the steps below.
For this operation I've used Tera Term but you might use another terminal emulator too.
1) Go to ROMMON Mode first. Power on your Switch and keep the "Mode" button pressed for few seconds usually, but you can keep it for more until you see this output:
switch:
This is telling you that you're in the ROMMON Mode. So from here all you want to do is to delete you're existing IOS image or if you have enough memory on Flash, then just install the new one, I will strongly advice you to downgrade a bit the version, it also depends of the model of your Switch and the capabilities.
2) So in case you want to delete your existing IOS image because of the memory, follow these steps:
switch: delete flash:c3560-ipservicesk9-mz.122-55.SE10.bin
Are you sure you want to delete "flash:c3560-ipservicesk9-mz.122-55.SE10.bin" (y/n)?y File "flash:c3560-ipservicesk9-mz.122-55.SE10.bin" deleted
Then all you need to do is to upload a new IOS image (a older version would be advisable but you can also try the same IOS version as long as you're confident that it's not corrupted, and it should work). Keep in mind you need to have a console connection to your Switch, it does work on TFTP also if you got and IP configured on your Switch and If you had connectivity before your Switch messed up the stuff.
3) Copying the IOS image from your Laptop: It would take a while, 3 hours roughly because of the speed, but you should keep the bit rate to the normal speed of 9600 bps and you'll be fine.
switch: copy xmodem: flash:c3560-ipservicesk9-mz.122-55.SE10.bin
Begin the Xmodem or Xmodem-1K transfer now...C
4) Then you need to choose your IOS image location. Tera Term: File, Tranfer, XMODE, Send -> and choose IOS image location. Then you'll see a little window popping up saying that you transfer has started and the following output on the Switch:
......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... File "xmodem:" successfully copied to "flash:c3560-ipservicesk9-mz.122-55.SE10.bin"
switch:
5) The las step, boot your Switch from the IOS image you've just installed on it with the following command:
switch: boot flash:c3560-ipservicesk9-mz.122-55.SE10.bin
Loading "flash:c3560-ipservicesk9-mz.122-55.SE10.bin"...@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ File "flash:c3560-ipservicesk9-mz.122-55.SE10.bin" uncompressed and installed, entry point: 0x1000000 executing...
Restricted Rights Legend
Use, duplication, or disclosure by the Government is subject to restrictions as set forth in subparagraph (c) of the Commercial Computer Software - Restricted Rights clause at FAR sec. 52.227-19 and subparagraph (c) (1) (ii) of the Rights in Technical Data and Computer Software clause at DFARS sec. 252.227-7013.
cisco Systems, Inc. 170 West Tasman Drive San Jose, California 95134-1706
Cisco IOS Software, C3560 Software (C3560-IPSERVICESK9-M), Version 12.2(55)SE10, RELEASE SOFTWARE (fc2) Technical Support: http://www.cisco.com/techsupport Copyright (c) 1986-2015 by Cisco Systems, Inc. Compiled Wed 11-Feb-15 11:34 by prod_rel_team Image text-base: 0x01000000, data-base: 0x02F00000
Initializing flashfs...
flashfs[1]: 32 files, 3 directories flashfs[1]: 0 orphaned files, 0 orphaned directories flashfs[1]: Total bytes: 15998976 flashfs[1]: Bytes used: 15638016 flashfs[1]: Bytes available: 360960 flashfs[1]: flashfs fsck took 2 seconds. flashfs[1]: Initialization complete....done Initializing flashfs. Checking for Bootloader upgrade.. not needed
POST: CPU MIC register Tests : Begin POST: CPU MIC register Tests : End, Status Passed
POST: PortASIC Memory Tests : Begin POST: PortASIC Memory Tests : End, Status Passed
POST: CPU MIC interface Loopback Tests : Begin POST: CPU MIC interface Loopback Tests : End, Status Passed
POST: PortASIC RingLoopback Tests : Begin POST: PortASIC RingLoopback Tests : End, Status Passed
POST: Inline Power Controller Tests : Begin POST: Inline Power Controller Tests : End, Status Passed
POST: PortASIC CAM Subsystem Tests : Begin POST: PortASIC CAM Subsystem Tests : End, Status Passed
POST: PortASIC Port Loopback Tests : Begin POST: PortASIC Port Loopback Tests : End, Status Passed
Waiting for Port download...Complete
This product contains cryptographic features and is subject to United States and local country laws governing import, export, transfer and use. Delivery of Cisco cryptographic products does not imply third-party authority to import, export, distribute or use encryption. Importers, exporters, distributors and users are responsible for compliance with U.S. and local country laws. By using this product you agree to comply with applicable laws and regulations. If you are unable to comply with U.S. and local laws, return this product immediately.
A summary of U.S. laws governing Cisco cryptographic products may be found at: http://www.cisco.com/wwl/export/crypto/tool/stqrg.html
If you require further assistance please contact us by sending email to export@cisco.com.
cisco WS-C3560-24PS (PowerPC405) processor (revision P0) with 131072K bytes of memory. Processor board ID CAT1046NLXL Last reset from address error 1 Virtual Ethernet interface 24 FastEthernet interfaces 2 Gigabit Ethernet interfaces The password-recovery mechanism is enabled.
512K bytes of flash-simulated non-volatile configuration memory. Base ethernet MAC Address : 00:1A:2F:F2:13:00 Motherboard assembly number : 73-9673-09 Power supply part number : 341-0029-05 Motherboard serial number : CAT10465LKL Power supply serial number : DTH1043C4NR Model revision number : P0 Motherboard revision number : A0 Model number : WS-C3560-24PS-S System serial number : CAT1046NLXL Top Assembly Part Number : 800-25861-04 Top Assembly Revision Number : B0 Version ID : V06 CLEI Code Number : COM1X00ARC Hardware Board Revision Number : 0x01
Switch Ports Model SW Version SW Image ------ ----- ----- ---------- ---------- * 1 26 WS-C3560-24PS 12.2(55)SE10 C3560-IPSERVICESK9-M
Press RETURN to get started!
That's all, you're back on your known territory!
I hope that you found this article useful.
Regards,
Stefan
... View more
Labels:
03-29-2017
01:59 AM
Hi, I know it's been 8 years but may be it would be useful for others, just change the IOS from ROMMON Mode.
... View more
03-28-2017
02:10 PM
Do this:
ROMMON MODE
switch: flash switch: delete flash:c3560-ipservicesk9-mz.122-55.SE10.bin
y
... View more
03-25-2017
05:54 PM
You cannnot configure a 3560 Switch as a NTP Server (Master) itself. It's not supported. Even ntp per interface commands do not work. This is what Cisco says about this:
The switch does not have a hardware-supported clock and cannot function as an NTP master clock to which peers synchronize themselves when an external NTP source is not available. The switch also has no hardware support for a calendar. As a result, the ntp update-calendar and the ntp master global configuration commands are not available.
See the link here: http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3560/software/release/12-2_55_se/configuration/guide/3560_scg/swadmin.html
... View more
03-25-2017
10:42 AM
The command: "no boot system flash" (or switch) actually says, ignore all the boot system commands that are configured on the Switch or Router and just load the IOS image available in the flash.
The command: "boot system flash:c3560-ipservicesk9-mz.122-55.SE10.bin" is the correct one. Bear in mind that everything here it's case sensitive and that the order in which you specify this commands for booting the IOS image is very important.
The one you entered is incorrect, is just an incorrect, and in this case the Switch just says: "Oh, I'm trying to boot the image from the configuration file but the first command is incorrect and there are no more boot system commands, ok, I'll skip this and load the IOS image from flash if it's available."
Stefan
... View more
03-20-2017
07:56 AM
sarahr202, if the Root Port is not receiving BPDUs from a Designated Port on the other side or Root Bridge which is also for (Designated Port), then the Root Port will think by itself: "Hang on, we got a problem, I haven't heard from the DP for 20 seconds, he must be dead or there is a problem, I will transition my BLK Port into de Designated (Forwarding state). So this is what it really happens, but yes, we also can configure this Port with the Loop Guard feature which will force the port to stay in BLK mode even it haven't heard for 20 seconds from DP.
... View more
03-15-2017
01:54 PM
S1#sh int f0/1 swi Name: Fa0/1 Switchport: Enabled Administrative Mode: trunk Operational Mode: trunk Administrative Trunking Encapsulation: dot1q Operational Trunking Encapsulation: dot1q Negotiation of Trunking: Off Access Mode VLAN: 1 (default) Trunking Native Mode VLAN: 1 (default) Administrative Native VLAN tagging: enabled Voice VLAN: none Administrative private-vlan host-association: none Administrative private-vlan mapping: none Administrative private-vlan trunk native VLAN: none Administrative private-vlan trunk Native VLAN tagging: enabled Administrative private-vlan trunk encapsulation: dot1q Administrative private-vlan trunk normal VLANs: none Administrative private-vlan trunk associations: none Administrative private-vlan trunk mappings: none Operational private-vlan: none Trunking VLANs Enabled: ALL Pruning VLANs Enabled: 2-1001 <--------------- Capture Mode Disabled Capture VLANs Allowed: ALL
Protected: false Unknown unicast blocked: disabled Unknown multicast blocked: disabled Appliance trust: none
I gues this might be due to the limited VLANs that can be stored in the CAM.
S1(config-if)#switchport trunk pruning vlan 2000 Command rejected: Bad VLAN list - character #5 (EOL) delimits a VLAN number (2000) out of the range 1 to 1005.
And this is what Cisco says: Extended range VLANs are not controlled by VTP. VLANs in the extended range cannot be pruned. The VLAN range for the switchport trunk pruning vlancommand remains 1-1005. The VTP supported VLAN configuration (VLANs 1-1005) is included in the Cisco IOS configuration file only when the device is in VTP transparent mode.
... View more
05-25-2017
It depends also when the routers came to live. If all of them came to
live the same time, then the e...
05-21-2017
You should be more specific of what you're trying to achieve. If you got
a route from External EIGRP...
05-21-2017
For a Optimal Path Selection, which means going to the network of
150.x.x.x through R3, through our ...
05-11-2017
You're confusing Steph1963 more... In BGP filtering the Extended Access
List it is a bit different t...
05-10-2017
A static route on both ends would be a best thing to use to make the
base IP connectivity to the nei...
04-10-2017
Don't pay attention, some people can't explain properly for all type of
peoples. VRRP is slighlty di...
04-07-2017
You certainly need this: "ip source binding aaaa.bbbb.cccc vlan 1
192.168.1.100 int f0/10" So if you...
03-30-2017
Yes, that what I was thinking also.. but it seems that Native VLAN does
not have much sense. I would...
Created by
asdvads vwe
in Networking Documents
03-29-2017
03-29-2017
Hi, for any of you that faced this problem, especially with the
Switches: 3560, 3750 and so on, I wo...
03-29-2017
Hi, I know it's been 8 years but may be it would be useful for others,
just change the IOS from ROMM...
03-28-2017
Do this: ROMMON MODE switch: flashswitch: delete
flash:c3560-ipservicesk9-mz.122-55.SE10.bin y
03-25-2017
You cannnot configure a 3560 Switch as a NTP Server (Master) itself.
It's not supported. Even ntp pe...
03-25-2017
The command: "no boot system flash" (or switch) actually says, ignore
all the boot system commands t...
03-20-2017
sarahr202, if the Root Port is not receiving BPDUs from a Designated
Port on the other side or Root ...
Public Statistics
| Date Registered | 01-12-2016 07:26 AM |
| Date Last Visited | 09-14-2018 03:16 PM |
| Total Messages Posted | 14 |
| Total Helpful Votes Received | 10 |
