This question concerns applying ACL's to interfaces vs. applying ACL's to VLAN's.Lets use the following example:Access list 100 permit tcp host 192.168.5.5 host 172.16.1.10 eq ftpthen on the router interface I apply this ACL INBOUNDso I say on the in...
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Hi. Maybe the community will help. I have stacked 9200 switches (C9200L-48P-4X, sw version 17.06.03). Two devices are connected to the port - a voip grandstream phone working with PoE, and a computer (via the built-in bridge). The problem is that the...
- FYI : https://www.cisco.com/c/en/us/support/docs/field-notices/724/fn72433.html M.
why i am not able to ping 20.0.0.1 in below topology after configuring a default route on R10
Hello everybody, I tried to implement a ERSPAN configuration between two Nexus 9300 and a Catalyst 9500. Nexus Model: N9K-C93180YC-EX - Release: 7.0(3)I7(9) Catalyst Model: C9500-40X - Release: 16.12.3a (bundle mode) I configured on the Nexus an ERS...
I been asked to look into performance issues behind a number of Cisco 3850 /3850 switches and also figure out some clan configuration that is in place . Can you share some commends to get info on the Vlans and also see some performance markers ? I ha...
Hi all,In the BGP table, BGP is Established but peer IP is not pinging. what is the reason behind that? why peer is not pingingkindly suggest the sameLOGS:-BGP local router ID : 172.19.0.26Local AS number : 64007Total number of peers : 8 Peers in es...
Resolved! One-sided LACP (to keep STP working...)
Hello people ! I face a situation where, STP needs to keep doing its job - i.e. block one of the links, hence deliberately not setting the two uplinks in EtherChannel - but, on other side we have two (Core) Nexus switches in vPC so the dual connectio...
Resolved! 9300 / 9500 IOS Update from USB Drive
Hey guys, I'm looking to upgrade the IOS on a number of 9300 / 9500 switch stacks from a USB data pen (something I've not done before). These stacks are deployed however not yet in production and I unfortunately do not have remote access to them. I...
I wanted to know if there was a single command to delete multiple rwx entries on a Cisco 3750x Switch. I am trying to free up space. I am aware of the delete flash:/(file name) command but am not able to find a batch delete command for these entries....
I was looking at a datasheet for Nexus 9500 line cards. In it it had a table listing the number of "IP host entries" each card could hold. Are IP host entries ARP entries in the ARP table? When I think of "ip host" I think of the IOS command that all...
Resolved! unable to load ios on 2960-cg
upon boot I get this errorswitch: bootLoading "flash:/c2960c405ex-universalk9-mz.150-2.SE5/c2960c405ex-universalk9-mz.150-2.SE5.bin"...flash:/c2960c405ex-universalk9-mz.150-2.SE5/c2960c405ex-universalk9-mz.150-2.SE5.bin: invalid argumentError loading...
Resolved! Replacement Catalyst 9407 supervisor
I have an issue with a sup C9400-SUP-1XL and I will replace the active one. The device has two supervisor and i will force a switchover to replace the one that is on slot 3. The sups are on install mode so my question is the following: Once I put the...
So I do the following on my lab 4500 switches and see the following when showing virtual link and switch virtual commands are issued. Can anyone help point me to fix the errors? sh switch virtual link: Executing the command on VSS member switch rol...
Hello Everyone,We've been observing our aggregated link (4 x 1gbps) between our core and a stacked switch where our vm and storage are for more than a month now. And that link barely goes over 1gbps. Upon review and further reading, we discovered tha...
