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The Feed
Sep 26, 20101 min read
Tips and Pitfalls: IPS Network Simulator
Configuration is not stored in NVRAM so you must re-configure it after reboot
Sep 26, 20101 min read
Tips and Pitfalls: SPAN / RSPAN
0x71 is EPP, 0x77 is CFS fc-tunnel enable must be set for all switches in the path The docs say ip routing must be enabled. Â This is not...
Sep 26, 20101 min read
Tips and Pitfalls: Syslog
You cannot increase the logging level for console past 2 (critical) unless you increase the baud rate to 38400
Sep 26, 20101 min read
Tips and Pitfalls: IVR
If you use RDI, persistent domains must be added to fcdomain allowed list Load balancing of IVR NAT traffic across equal cost paths from...
Sep 26, 20101 min read
Tips and Pitfalls: QoS / FCC
By default FCC is set to 4 which effects only low and medium traffic
Sep 26, 20101 min read
Tips and Pitfalls: iSCSI and iSLB
Incoming and outgoing CHAP passwords must be different Iscsi import target fc does not apply to iSLB initiators If IVR and iSLB features...
Sep 26, 20101 min read
Tips and Pitfalls: FICON
1, 2, 6, 9 slot chassis have 32 ficon ports per slot 13 slot chassis has 16 ficon ports per slot swapping interfaces swaps port numbers...
Sep 26, 20101 min read
Tips and Pitfalls: FC-SP
You cannot use SHA-1 with RADIUS or TACACS+
Sep 26, 20101 min read
Tips and Pitfalls: IPSEC and CA
domain-name and hostname must be set prior to certificate generation If you revoke a certificate you need to zeroize the rsa keypair OSCP...
Sep 26, 20101 min read
Tips and Pitfalls: FCIP
SACK must be enabled on FCIP interfaces for packet shaping to work When a single TCP port is used QoS is set on the data connection only...
Sep 26, 20101 min read
Tips and Pitfalls: FCDomain and Virtualization
SDV virtual members cannot be in IVR Zones Any domain you reserve in SDV must be allowed by the principal switch If using SDV with...
Sep 26, 20101 min read
Tips and Pitfalls: CFS / IPFC
CFS Merge Master is lowest sWWN device-alias, fscm and fc-redirect are CFS enabled by default CFS over IP sends UDP keepalives using...
Sep 26, 20101 min read
Tips and Pitfalls: RBAC
RBAC rules are not processed "first match", but rather parse the entire set of rules You must grant access to VSANs you are moving...
Sep 26, 20101 min read
Tips and Pitfalls: AAA
CLI test authentication always uses PAP ACS uses format cisco-av-pair=shell:roles="rolename" RADIUS uses format shell:roles="rolename"...
Sep 26, 20101 min read
Tips and Pitfalls: Interop
switch back to native mode to restart fcdomain can't use lun zoning, broadcast zoning or zone based QoS FICON and interop modes are...
Sep 26, 20101 min read
Tips and Pitfalls: Zoning
VSAN's with broadcast zones can't be configured in interop mode VSAN's with LUN zoning can't be configured in interop mode Enhanced...
Sep 26, 20101 min read
Tips and Pitfalls: Generation-2 Modules
OSM ports must be shutdown prior to disabling oversubscription OSM ports must be taken out-of-service prior to enabling...
Sep 26, 20101 min read
Tips and Pitfalls: VSAN's, Ports and FC Routing
fcroutes do not show up in the normal FSPF routing table src-dst-ox-id is the default loadbalancing DPVM should only be used on F ports...
Sep 26, 20101 min read
Potential bug in FICON when using default-state prohibit-all
MDS1# show int fc1/8 trunk vsan 401fc1/8 is trunking Vsan 401 is down (Port down because prohibit mask in place for E/TE port) So no...
Sep 26, 20102 min read
Simultaneously using iSLB and iSCSI initiators
islb initiator name iqn.initiator-win1 vsan 20 vsan 30 target pwwn 21:00:00:04:cf:9c:d4:c7 vsan 20 no-zone sec-pwwn...
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