Have you ever wanted to find out what are the differences in Cisco Catalyst 6500/6800 IOS packages (or feature sets)? This is apparently the best source I’ve ever found: Cisco IOS Software Major Release 15SY on Cisco Catalyst 6500 Series Switches (cisco.com) It has a clear table of all the packages (IP Base, IP Services, […]
Tag: ios
Configuring BGP Sessions in IPv6
My colleagues were faced with an IPv6 implementation case where the router IOS feature set prevented them from configuring the BGP sessions. I labbed something for them and thought this overall IPv6 BGP session configuration would be worth of documenting here because there are some differences when compared to the usual IPv4-only BGP configurations. I […]
NX-OS and IOS Default Configuration Differences
I just found this a couple of days ago: http://docwiki.cisco.com/wiki/Cisco_NX-OS/IOS_Software_Default_Configuration_Differences Good summary about the default configuration differences between NX-OS and IOS. Lots of people are familiar with the settings in IOS but NX-OS is often a new experience. That document is one of the must-read documents for those who are migrating routing from good old […]
Cat6500 IOS Notes
According to SX SY ISSU Compatibility Matrix (http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/SX_SY_ISSU_Compatibility_Matrix.xlsx, link found for example in http://www.cisco.com/en/US/products/hw/switches/ps708/prod_release_notes_list.html), IOS 15.0(1)SY1 will be out still this year (or, they will decide about it this year…). The file has apparently been updated in the beginning of October however. Currently the latest version for 15.0SY train is 15.0(1)SY. I’m trying to get […]
IOS Upgrade from Modular to Non-Modular
Note to self (not yet personally tested): When upgrading Catalyst 6500 12.2SXI IOS from modular to non-modular in dual-supervisor configuration you cannot do any kind of switchover between the supervisors. You need to reload the whole switch. Source: CSCsb07831 (Cisco login required) Apparently the standby supervisor will keep reloading if you try the switchover method, […]